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PANDUIT CORP.

PANDUIT CORP. Patent applications
Patent application numberTitlePublished
20120135633Wire Containment Cap with an Integral Strain Relief Clip - A wire containment cap for reducing horizontal strain on a cable terminated at a communication jack. The wire containment cap is part of the communication jack and includes a strain relief clip that may be actuated to apply pressure to the cable. The applied pressure holds the cable in place and helps prevent wire pairs of the cable from pulling out of terminals in the communication jack.05-31-2012
20120134366PHYSICAL LAYER MANAGEMENT SYSTEM - An Ethernet outlet senses the presence of an Ethernet signal and transmits an Ethernet ID signal in response to the restoration of an Ethernet signal that was interrupted. The sensing circuit is designed to have no detrimental effect on Ethernet signals. Using this system, the locations of Ethernet outlets and network endpoint devices connected to the outlets can be determined following the interruption and reestablishment of network communications. Outlets according to the present invention can be used in copper-based networks or in networks having fiber optic components.05-31-2012
20120133510PHYSICAL INFRASTRUCTURE MANAGEMENT SYSTEM HAVING AN INTEGRATED CABINET - A data center physical infrastructure management system has a cabinet having rack spaces and a sensor. A data communication system transmits signals to a management database. Personal or automated intervention is determined algorithmically by a data processor. A human interface for the data center management system is provided. Removable electronic assets contained in the rack spaces each have an identifier tag. An identifier tag reader is installed on the cabinet body. A door sensor provides a signal responsive to whether a cabinet door is closed, open, locked, or unlocked. Also, a secure contact arrangement has a base terminal formed of electrically conductive material, and first and second electrically conductive elements. A resilient non-conductive element is interposed between the first and second electrically conductive elements, and a compression element compresses the resilient non-conductive element to cause the first and second electrically conductive elements to communicate with one another.05-31-2012
20120129404Communication Jack Having Layered Plug Interface Contacts - A communication jack, system using the jack, and method of fabricating the jack are disclosed. The jack includes a cavity configured to accept a communication plug to form a communication connector. The jack includes a plurality of plug interface contacts that extend into the cavity such that a plug inserted into the cavity makes electrical contact with the plug interface contacts at plug/jack interfaces of the plug interface contacts. One or more of the plug interface contacts is formed from multiple conductive layers. The conductive layers are movable relative to each other at at least one end. A dielectric layer or flexible printed circuit board may be disposed between the conductive layers.05-24-2012
20120124783Metal Locking Tie - A metal locking tie is disclosed. The metal locking tie includes a tie body and a bi-level head. The tie body includes a first end and a second end. The first end of the tie body is secured to the bi-level head. The bi-level head includes a roof, a bottom wall, a primary head floor and a secondary head floor. The lei-level head also includes a locking ball positioned within the head. The primary head floor includes a locking displacement hole for receiving the locking ball. When the second end of the tie body is tensioned, the locking ball moves toward the locking displacement hole to secure the tie body in the bi-level head.05-24-2012
20120122352COMMUNICATIONS CONNECTOR WITH A SHORT CONDUCTIVE PATH TO COMPENSATION - A communication jack is provided with plug interface contacts that have inner and outer contact members. A flexible printed circuit board is connected and supported between the inner and outer members. This results in a short conductive signal pathway between a plug-jack interface and crosstalk compensation provided on the flexible printed circuit board. The plug interface contacts of the jack are specially designed to provide good normal force to plug contacts of a plug inserted into the jack, as well as to securely hold the flexible printed circuit. Standard plug interface contacts may be utilized in combination with a flexible printed circuit board that is connected by welding or soldering to the plug interface contacts.05-17-2012
20120118837Equipment Rail and Bracket Assembly - Certain embodiments of the present invention provide an equipment rail and bracket assembly. The equipment rail and bracket assembly includes an equipment rail and a bracket. The equipment rail is mounted to the bracket. The equipment rail includes a relief cut-out and a flexible tongue formed by the relief cut-out. The flexible tongue includes a bracket mounting opening for mounting the equipment rail to the bracket. The flexible tongue rotates relative to the equipment rail when the bracket is mounted to a cabinet.05-17-2012
20120108090BLOCK-OUT COVER AND REMOVAL TOOL - A block-out cover is installed in a jack module to prevent entry of undesirable objects. The block-out cover includes at least one window and at least one locking arm. The locking arm secures the cover to the jack module. The window receives a removal tool designed to remove the cover from the jack module. The removal tool includes a body, a lever secured to the body to engage the cover and a prong with a cam surface. The cam surface of the prong deflects the cover from locking engagement with the jack module allowing the removal tool to remove the block-out cover.05-03-2012
20120100744Communication Plug with Improved Crosstalk - A communication plug having a plug body and a plurality of contact pairs at least partially within the plug body, the contact pairs including an inherent asymmetric coupling between individual contacts of one of the contact pairs and other individual contacts of another of the contact pairs. Second asymmetric coupling elements are connected between the individual contacts of one of the contact pairs and the other individual contacts of another of the contact pairs. The second asymmetric coupling elements, when combined with the inherent asymmetric coupling, provide a balanced symmetric coupling between the individual contacts of one of the contact pairs and the other individual contacts of another of the contact pairs.04-26-2012
20120099822Optical Communication Connector - In accordance with the following description, an optical communication connector includes a ferrule having retractable alignment pins that are actuable between an extended position and a retracted position. For example, the connector may include an inner housing assembly having optical fibers and an outer housing positioned over the inner housing assembly. The outer housing is shaped to be removable from the inner housing assembly, which has a movable pin clamp mechanically coupled to alignment pins for aligning the connector with another connector. The pin clamp may be slid from a first position (corresponding to a male gender) to a second position (corresponding to a female gender). Separately or in combination with changing gender, the polarity of a communication connector may be changed due to its inclusion of an asymmetric polarity-changing feature that is actuable by an installer to change a polarity of the communication connector. Such a feature may actuated by being moved from a first position to a second position relative to the communication connector.04-26-2012
20120099099Method for Designing and Selecting Optical Fiber for use with a Transmitter Optical Subassembly - A method for compensating for both material or chromatic dispersion and modal dispersion effects in a multimode fiber transmission system is provided. The method includes, but is not limited to measuring a fiber-coupled spatial spectral distribution of the multimode fiber laser transmitter connected with a reference multimode fiber optical cable and determining the amount of chromatic dispersion and modal dispersion present in the reference multimode fiber optic cable. The method also includes, but is not limited to, designing an improved multimode fiber optic cable which compensates for at least a portion of the chromatic dispersion and modal dispersion present in the reference multimode fiber optic cable resulting from the transmitter's fiber-coupled spatial spectral distribution.04-26-2012
20120098664RFID System - The present invention provides an automated system for asset tracking and management and utilizes near field Radio Frequency IDentification (RFID) technology. RFID tags are attached to the assets, and RFID antennas (and corresponding readers) are strategically located in close proximity to read the tags. As applied to a rack or cabinet, near-field antennas are mounted along one of the mounting posts at each rack unit location such that when a piece of equipment (rack mounted or rail mounted) is installed at a particular rack unit space, the tag will be read and registered in an RFID management system. A magnetic field shaping arrangement ensures that crosstalk between adjacent rack positions is prevented. Ferrite elements are used to control the magnetic field.04-26-2012
20120094525Communication Plug with Improved Cable Manager - A communication plug is described. The communication plug has a communication cable with a plurality of conductors, a plug housing, and a cable manager partially enclosed within the plug housing. The cable manager has a load bar with a plurality of holes, a first cable management section connected to the load bar via a first hinge, and a second cable management section connected to the load bar via a second hinge. The first and second cable management sections are configured to fold together and partially enclose the cable before the cable manager is inserted into the plug housing.04-19-2012
20120068830Physical Layer Management Using RFID Modules and Common Mode Signaling - An intelligent network patch field management system is provided that includes active electronic hardware, firmware, mechanical assemblies, cables, and software that guide, monitor, and report on the process of connecting and disconnecting patch cords plugs in an interconnect or cross-connect patching environment. RFID tag integrated chips are used in some embodiments of the system to allow for detection of patch cord insertion and removal at switch ports. RFID tags may also be used to detect users and control access to the network based on the users' levels of authorization. Network access can also be controlled at the outlet jack level. The system is capable of monitoring patch cord connections to detect insertions or removals of patch cords or plugs. In addition, the system can map entire networks.03-22-2012
20120063724Reversible Fiber Optic Connector - A re-terminable, no-crimp ST-type optical connector assembly includes a spring-loaded ferrule holder assembly and a reusable activation system for termination of the assembly. The optical connector can be terminated by a suitable cam activation tool. The connector includes a housing, such as a bayonet, matable to a mating adapter, a backbone retained within a rear of the housing, a ferrule holder provided within the backbone, and a cam provided between the ferrule holder and the backbone. The ferrule holder includes an alignment key exposed to mate with a cam activation tool to lock rotation of the ferrule holder relative to other connector components. The cam includes a cam activation cutout at a front face thereof that mates with a cam activation tool interface to enable rotation of the cam between de-activated and activated positions, the cam activation cutout also receiving the alignment key of the ferrule holder therethrough.03-15-2012
20120058689Modular Cable Termination Plug - The invention is a modular cable termination plug having a conductor divider having an entrant barb and a plurality of divider channels, a load bar having a plurality of through holes and a plurality of slots, and a plurality of contact terminals. Additionally, the invention may include a housing, a strain relief collar and a strain relief boot.03-08-2012
20120054991Buckle With Strapping Supports - Certain embodiments of the present invention provide a buckle for fastening opposing ends of an object encircling strap. The buckle includes a deformable retainer and a bridge. The deformable retainer defines an entrance passageway for a free end of the strap and includes a retainer tab, an opening adjacent the retainer tab, and a pair of strapping supports spaced apart from the opening. The bridge defines an exit passageway for the free end of the strap. The free end of the strap is positionable around an object and consecutively through the entrance passageway and the exit passageway. The free end of the strap is bendable over the bridge and between the strapping supports and the opening such that the free end of the strap curls when the retainer is deformed.03-08-2012
20120045942Pluggable Cable Connector - A pair manager for use in securing a twin-axial cable to a printed circuit board is described. The pair manager comprises a generally block-shaped portion containing a pair of channels. The channels extend from the front face to the rear face of the block-shaped portion. An integral flange and a pair of integral fingers extend perpendicularly from the front face of the block-shaped portion. The flange extends generally from the center of the front face and the fingers extend from opposite edges of the front face. The fingers and flange function as a partial shield cavity around each pair of conductors. This design helps to maintain better impedance matching when connecting twin-axial cables to a printed circuit board.02-23-2012
20120045928PHYSICAL LAYER MANAGEMENT FOR INTERCONNECT CONFIGURATIONS USING RFID CHIP TECHNOLOGY - An intelligent physical layer management system is provided that includes active electronic hardware, firmware, mechanical assemblies, cables, and software that guide, monitor, and report on the process of connecting and disconnecting patch cords plugs in an interconnect patching environment. RFID tag integrated chips are used to identify which switch port a patch cord is plugged into. The system is capable of monitoring patch cord connections to detect insertions or removals of patch cords or plugs. In addition, the system can map the patch field in interconnect configurations.02-23-2012
20120040570Wire Containment Cap - A wire containment cap includes a first side having a plurality of retainers for retaining wires, and a second side opposite the first side. Two sidewalls extend between the first side and the second side, and a support rib extends between the two sidewalls. The support rib includes two pair separators for separating wire pairs. In one embodiment, a plurality of sloped pair splitters is located between two of the retainers and includes a sharp point for cutting through insulation material on a pair of bonded wires. A communication jack assembly including a front portion and the wire containment cap is also described.02-16-2012
20120012347FIRE STOP SYSTEM - A fire stop system with a pass through device is installed in a structural opening. The fire stop system includes a split pipe, a foam wall gasket and an annulus plate. The split pipe includes a first end and a second end. The first end and the second end have an intumescent material installed thereon to seal the split pipe when the split pipe is exposed to elevated temperatures. The foam wall gasket is installed around the split pipe adjacent the structural opening. The foam wall gasket forms a contour to the structural opening blocking air flow between the split pipe and the opening. The annulus plate covers the foam wall gasket and is installed around the split pipe at the structural opening.01-19-2012
20120012279Systems and Methods for Managing Heat Generated by Electronic Equipment in an Electronic Equipment Enclosure - Certain embodiments of the present invention provide a system for managing heat generated by electronic equipment in an electronic equipment enclosure. The electronic equipment enclosure includes a first pair of equipment rails and a second pair of equipment rails spaced apart from the first pair of equipment rails. The system includes a duct connected to the first pair of equipment rails and a bracket connected to the second pair of equipment rails and spaced apart from the duct. The duct is adapted to receive a first portion of the electronic equipment and the bracket is adapted to receive a second portion of the electronic equipment. The first portion of the electronic equipment includes an air intake opening and the second portion of the electronic equipment includes an air exhaust opening. The duct forms a barrier between the air intake opening and the air exhaust opening for separating cooled air entering the electronic equipment and heated air exiting the electronic equipment.01-19-2012
20120002926MPO Type Connector with Reduced Off-Center Loading - This application describes an MPO type connector with an internal assembly having a pin clamp, ferrule, and fiber array. The pin clamp that has a pair of contact surfaces abutting the ferrule. The contact surfaces are located along the mid-point of the height of the ferrule on either side of and proximate to the fiber array.01-05-2012
20110305421Reversible Fiber Optic Stub Clamping Mechanism - A fiber optic stub fiber connector for reversibly and nondestructively terminating an inserted field fiber having a buffer over at least a portion thereof. The connector includes a housing and a ferrule including a stub fiber disposed within and extending from a bore through the ferrule. The ferrule is generally at least partially disposed within and supported by the housing. The connector further includes a reversible actuator for reversibly and nondestructively terminating the inserted field fiber to the stub fiber. The reversible actuator includes a buffer clamp for engaging with the buffer to simultaneously provide reversible and nondestructive strain relief to the terminated field fiber.12-15-2011
20110300788Vertical Exhaust Duct - Certain embodiments of the present invention provide a thermal management system. The thermal management system includes a first cabinet, a second cabinet positioned adjacent the first cabinet, and a multi-cabinet vertical exhaust duct positioned above the first cabinet and the second cabinet. The multi-cabinet vertical exhaust duct includes a shared exhaust plenum. The shared exhaust plenum is in fluid communication with the first cabinet and the second cabinet such that the shared exhaust plenum receives hot air exhausted from electronic equipment in the first cabinet and the second cabinet.12-08-2011
20110300739Electric Connector and Method of Performing Electronic Connection - A modular jack assembly having a housing and a plug interface contact (PIC) sled subassembly insertable into the housing. The PIC sled subassembly provides an electrical and mechanical interface between PICs and a male-type plug receivable in an opening in the housing. The PIC sled subassembly is defined in part by multiple slots formed in the PIC sled subassembly that receive the PICs. The design of the PICs compensates for independent near-end cross-talk vectors and far-end cross-talk vectors to obtain a desired level of electrical characteristics.12-08-2011
20110286785Cable Tray Cable Routing System - The present invention is directed to a cable routing system with brackets that join cable trays to form the cable routing system. A bracket that joins adjacent cable trays includes a main body having a base with a top edge, a bottom edge and sides. The bracket further includes upper members that extend from the top edge, a bottom member that extends from the bottom edge and side members extending from the sides. When attached to adjacent cable trays, the longitudinal wires of the cable tray are positioned between the upper members and the side members and the transverse wires of the cable tray are retained in a space defined by the upper members. A bracket that joins perpendicular cable trays includes a main body and a securing clip. The main body has a bottom and two sides extending upwardly therefrom. Each side of the main body includes a deflectable side latch that engages a bottom longitudinal wire of the cable tray. The securing clip engages the main body to secure the bracket to the cable tray.11-24-2011
20110286198Horizontal Cable Manager - A cable manager provides horizontal cable management of adjacent patch panels or network equipment on network distribution racks. The cable manager includes a central section and a front cable routing section and is mountable on a network rack. The front cable routing section extends from the front side of the central section and includes a first plurality of spaced fingers. The cable manager can also include a rear cable routing section that includes a second plurality of spaced fingers. The first plurality of spaced fingers and the second plurality of spaced fingers may be sloped to provide hand access. One or more passthrough openings can be provided in the central section to allow routing of cabling from the front section to the rear section. An air dam may be inserted into the passthrough openings to control the flow of cool inlet air. Either or both of the front and rear sections can include a removable cover.11-24-2011
20110284702Cable Tray Cable Routing System - The present invention is directed to a cable routing system with a drop down cable routing device that routes cables from the cable routing system. The drop down cable routing device is attached to a cable tray of the cable routing system. The drop down cable routing device includes an outer shell and an inner core. The outer shell has downwardly extending sides. A bottom of each side of the outer shell includes a mating flange extending therefrom. The inner core is positioned within the outer shell. The inner core has a base with sides and mating flanges extending downwardly from the sides. The mating flanges of the outer shell engage the mating flanges of the inner core to secure the outer shell and the inner core together.11-24-2011
20110284701Cable Tray Cable Routing System - The present invention is directed to a wall mount bracket that supports a cable tray in a cable routing system. The wall mount bracket includes a back wall and a sidewall. The back wall has a top, a bottom, sides and mounting holes positioned therebetween. The sidewall extends outwardly from one side of the back wall. The longitudinal wires of the cable tray are positioned on the sidewall of the wall mount bracket. The sidewall also has a distal end with an engaging member that receives a bottom longitudinal wire of the sidewall of the cable tray.11-24-2011
20110284283Cable Tray Cable Routing System - A cable routing system formed from a tray with a plurality of transverse wires and a plurality of longitudinal wires. The transverse wires form a generally flat top portion with downwardly extending sidewalls. The longitudinal wires are positioned underneath the top portion, side longitudinal wires are positioned adjacent the downwardly extending sidewalls and bottom longitudinal wires are positioned at an end of each of the downwardly extending sidewalls. The transverse wires and the longitudinal wires form a grid with a plurality of openings for routing a plurality of cables. The cable routing system also includes a sidewall removablely secured to the tray to retain cables routed thereon and a corner radius device removablely secured to the tray to provide bend radius control to cables routed along intersecting cable trays.11-24-2011
20110278999Aisle Containment System - The aisle containment system is mounted to two rows of equal width cabinets or cabinets varying in width between 600 mm, 700 mm and 800 mm. The aisle containment system includes door assemblies on both ends of the cabinet rows, vertical panels that mount to the cabinets and door frames to support the ceiling, cross tees that span the aisle, and ceiling panels. Additional cabinets of equal or varying width may be added to an aisle containment installation.11-17-2011
20110278998Aisle Containment System - The aisle containment system is mounted to two rows of equal width cabinets or cabinets varying in width between 600 mm, 700 mm and 800 mm. The aisle containment system includes door assemblies on both ends of the cabinet rows, vertical panels that mount to the cabinets and door frames to support the ceiling, cross tees that span the aisle, and ceiling panels. Additional cabinets of equal or varying width may be added to an aisle containment installation.11-17-2011
20110275247COMMUNICATION CONNECTOR WITH IMPROVED CROSSTALK CONNECTION - A communication jack has a housing with a face having a plug receiving aperture. A plurality of conductive path pairs extends from corresponding plug interface contacts located at the plug receiving aperture to corresponding output terminals. A first circuit board is connected to the plug interface contacts and a second circuit board is connected to the plug interface contacts and the output terminals. The first circuit board has a first single stage of crosstalk compensation with opposite polarity of the crosstalk of a plug for a first combination of the conductive path pairs. The second circuit board includes a second single stage of opposite polarity crosstalk compensation for some of the conductive path pairs not compensated on the first circuit board. The stages cancel substantially all of the crosstalk caused by the plug, for the signal operating frequencies, for corresponding combinations of the conductive path pairs.11-10-2011
20110274401Block-Out Device for Fiber Optic Connector - The present invention is directed toward a device for protecting an adapter from contamination, damage or misuse. The device includes a front member having an opening for receiving a removal tool. The device also includes cover members having a front portion and a back portion. The front member of the device interconnects the front portions of the cover members. The front portion of each cover member includes a sealing member for sealing an opening in the adapter when the cover member is installed within the adapter. The back portion of each cover member includes an arm extending upwardly therefrom for engaging the adapter to secure the device within the adapter.11-10-2011
20110268496Releasable Barb Assembly - The embodiments provide a barb assembly for use with a cable duct component to oppose removal of a cable duct section from the cable duct component. The barb assembly can comprise a releasable assembly for applying a force to a barb and, responsive to the application of the force, for moving the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools. The barb assembly and/or cable duct component can also comprise a spring bias, which can bias the releasable assembly to the unengaged position upon actuating the releasable assembly to the unengaged position. The embodiments also provide methods of installing cable duct components and systems with the above-described features.11-03-2011
20110265384Vertical Cable Manager Door - Certain embodiments of the present invention provide a door for a vertical cable manager. The door includes a panel. Additionally, the door includes a first hinge pin disposed at a first end of the panel. The first hinge pin slides from an extended position to a retracted position. Additionally, the door includes a first hinge pin retention member disposed adjacent the first hinge pin. The first hinge pin retention member is releasably connected to the first hinge pin to secure the first hinge pin in the retracted position.11-03-2011
20110260018Two Post Rack with Floor Mounting Brackets - A bracket assembly for mounting a rack to a floor includes a bracket. The bracket includes a rack-mounting surface having at least one pair of rack-mounting openings for mounting the bracket to the rack, and a floor-mounting surface extending from the rack-mounting surface. The floor-mounting surface has at least three pairs of floor-mounting openings for mounting the bracket to the floor.10-27-2011
20110255611Powered Patch Panel - A powered patch panel (PPP) is disclosed that inserts power in mid-span regions of a network and provides fault-tolerance at the power supply level and the power-plane level. Information such as physical location, port status and policy enforcement information may be locally stored and utilized by a processor of the PPP to achieve network control and monitoring. A network management system and/or element management system may be provided to interface with processors of PPPs to achieve network monitoring, control and policy enforcement goals.10-20-2011
20110252855Metal Embossing Hand Tool - The preset invention is directed to an embossing tool. The embossing tool includes a drive mechanism that advances a tape, an embossing mechanism and a cutting mechanism. The cutting mechanism cuts the tape to form a tag. The cutting mechanism also forms a mounting feature in the ends of the tag. The cutting mechanism includes a pair of dies with openings therethrough and at least one punch moveable within the openings for engaging the tape.10-20-2011
20110250791High Data Rate Electrical Connector and Cable Assembly - An electrical connector has a first shell, an opposing second shell and a circuit board between the first shell and the second shell. The circuit board has a first side and an opposing second side and includes a plurality of differential pair conductive traces on each side. A first drain wire termination device is provided on the first side and includes at least one separator between at least one of the differential pair conductive traces on the first side and another of the differential pair conductive traces on the first side. A second drain wire termination device is connected to the second side and includes at least one separator between at least one of the differential pair conductive traces on the second side and another of the differential pair conductive traces on the second side.10-13-2011
20110244698Intelligent Inter-Connect and Cross-Connect Patching System - An intelligent network patch field management system is provided that includes electronic hardware, firmware, mechanical assemblies, cables, and software that provide visible and audible cues for connecting and disconnecting patch cords in an interconnect or cross-connect patching environment. Systems of the present invention also monitor patch cord connections in a network.10-06-2011
20110237136Method and System For Reducing Internal Crosstalk and Common Mode Signal Generation Within a Plug/Jack Combination - A communication connector is described that includes a plug and a jack, into which the plug is inserted. The plug terminates a length of twisted pair cable. The jack includes a sled to support contacts for connecting to wires within the cable, a rigid circuit board that connects to the contacts, and a flex board that contacts the plug interface contacts. The jack also includes circuitry to compensate for crosstalk between wire pairs of the cable by adding capacitance values within the sled, rigid circuit board and/or flex board between traces carrying signals from the wire pairs so that crosstalk caused by the plug between wire pairs that have signals in phase cancels with crosstalk caused by the plug between signals out of phase, and so that the capacitance values added between each trace are about equal. The compensation is performed to reduce differential to common mode signal conversion.09-29-2011
20110234416Systems and Methods for Detecting a Patch Cord End Connection - Systems and methods for detecting a patch cord connection are presented. The insertion of a patch cord into a device jack physically closes a circuit, thereby permitting determination of the patch cord connection. The connection of only one side of a patch cord to a jack is able to be determined. In addition, a particular jack with which a patch cord is connected is able to be determined.09-29-2011
20110229102RELEASE LATCH FOR PRE-TERMINATED CASSETTE - A release latch for a pre-terminated cassette is described. The pre-terminated cassette includes a release latch to allow removal of the pre-terminated cassette from a patch panel, where the patch panel includes a retaining feature for retaining the pre-terminated cassette. The release latch includes a cantilever beam located on the sidewall of the pre-terminated cassette. The cantilever beam has a hinge point that allows the beam to deflect with respect to the sidewall. The release latch further includes a depressing tab provided at the distal end of the cantilever beam and a latch tab protruding from the surface of the cantilever beam between the hinge point and the depressing tab. The latch tab is capable of engagement with the retaining feature of the patch panel when the cassette is installed in the patch panel.09-22-2011
20110223814BEAM CLAMP - Certain embodiments of the present invention provide a clamp for securing a grounding connector to a structural member. The clamp includes a clamp body having a top section, a bottom section, and a side section, which define an opening for receiving the structural member. The top section includes a plurality of mounting sections separated by at least one slot. Each of the mounting sections includes a mounting hole for receiving a mounting fastener to secure the clamp to the structural member.09-15-2011
20110217149Embossing System - A marker plate embossing system is provided having an improved loading device, and improved chute and hopper systems. The loading device reduces the likelihood of marker plate misfeed. The chute and hopper systems allow the embossing of varying sized embossing plates, while reducing the likelihood of embossed marker plates being delivered in an incorrect stacked-order. A marker plate removal system is also provided for removing embossed marker plates from the hopper system without the marker plates falling out of the stacked-order.09-08-2011
20110211456High Performance Three-Port Switch For Managed Ethernet Systems - A method and apparatus for isolating and analyzing segments of a deployed, operational cable plant from a remote location. Individual cables, or segments, within an operationally deployed cable plant infrastructure may be isolated and analyzed without requiring a technician to physically inspect and perform an on-site analysis. The approach allows a cable segment to be isolated and analyzed without physically disconnecting the cable from the deployed infrastructure. By isolating and analyzing selected cable plant segments, an entire deployed cable plant infrastructure may be discretely analyzed and specific problems within the cable plant infrastructure may be identified. The approach allows the analyses to be performed from a remote location and is compatible with and may be integrated within a multipurpose network management system.09-01-2011
20110207365Wire Containment Cap with an Integral Strain Relief Clip - A wire containment cap for reducing horizontal strain on a cable terminated at a communication jack. The wire containment cap is part of the communication jack and includes a strain relief clip that may be actuated to apply pressure to the cable. The applied pressure holds the cable in place and helps prevent wire pairs of the cable from pulling out of terminals in the communication jack.08-25-2011
20110194828Block-Out Device for Fiber Optic Adapter - The present invention is directed to a device that protects a fiber optic adapter from contamination, damage or misuse. The fiber optic adapter includes latches that extend from inner sides of the adapter. The device includes a front, a back and sides. The sides extend from the front to the back. Each side includes a slot molded along the sides of the device. The slots receive the latches of the fiber optic adapter when the device is installed in the fiber optic adapter. Once the latches are installed in the slots, the device is secured to the fiber optic adapter.08-11-2011
20110192022Method for Forming an Enhanced Communication Cable - A cable and method of forming the cable are presented. The cable contains twisted wire pairs disposed in a cavity defined by a jacket. Each wire has a conductor and an insulator surrounding the conductor. The cable may also contain a spline that separates the twisted wire pairs. At least one of the insulators or the jacket is helically corrugated such that ridges extend radially inward or outward. The ridges of the insulators may be the same or different. The cable is extruded from an extruder. The jacket may contain corrugations after being extruded by the extruder. The cable may be passed through dies to form a helically corrugated jacket. The jacket heated by a heater prior to being passed through the dies, or may pass through the dies while still hot from the extruder.08-11-2011
20110183547Communications Connector with Multi-Stage Compensation - A communication connector uses compensation circuitry to compensate for crosstalk in a network connection. Capacitors are connected between specific conducive paths in said communication connector. Inductive stubs are utilized in the compensation circuitry to improve the overall compensation performance.07-28-2011
20110149272Methods and Apparatus for Measuring Insertion Loss in a Fiber Optic Cable Connection - A method and apparatus for measuring the insertion loss of a fiber optic connection is provided. The invention generally comprises a light source providing light to a test connector which contains a juncture of two fiber optic cables. The test connector has one or more opaque portions surrounding the fiber optic juncture. A pyrometer or other heat detection means is then used to measure any temperature increase as a result of light scattered into the opaque portions of the test connector.06-23-2011
20110122401Method and Apparatus For Verifying the Termination Quality of an Optical Fiber Interface in a Fiber Optic Cable Connector - A method and apparatus for verifying the termination quality of an optical fiber interface in a fiber optic connector is provided. The test apparatus generally comprises a light source providing light to a test connector which contains an interface of a stub fiber of a fiber optic connector and a field fiber of a fiber optic cable. The portions of the test connector that are located between the optical fiber optic interface and the light detector are transmissive while other portions of the test connector located near the interface are highly reflective.05-26-2011
20110116749Reversible Fiber Optic Connector - A re-terminable, no-crimp ST-type optical connector assembly includes a spring-loaded ferrule holder assembly and a reusable activation system for termination of the assembly. The optical connector can be terminated by a suitable cam activation tool. The connector includes a housing, such as a bayonet, matable to a mating adapter, a backbone retained within a rear of the housing, a ferrule holder provided within the backbone, and a cam provided between the ferrule holder and the backbone. The ferrule holder includes an alignment key exposed to mate with a cam activation tool to lock rotation of the ferrule holder relative to other connector components. The cam includes a cam activation cutout at a front face thereof that mates with a cam activation tool interface to enable rotation of the cam between de-activated and activated positions, the cam activation cutout also receiving the alignment key of the ferrule holder therethrough. The cam further includes a first camming profile that actuates a field fiber clamp and a second camming profile that actuates a buffer clamp. The connector may further include alignment flats and features for preventing rotation and axial movement of various components. Because the cam is unexposed when mated, inadvertent de-activation is prevented.05-19-2011
20110111645Communication Jack Having Layered Plug Interface Contacts - A communication jack, system using the jack, and method of fabricating the jack are disclosed. The jack includes a cavity configured to accept a communication plug to form a communication connector. The jack includes a plurality of plug interface contacts that extend into the cavity such that a plug inserted into the cavity makes electrical contact with the plug interface contacts at plug/jack interfaces of the plug interface contacts. One or more of the plug interface contacts is formed from multiple conductive layers. The conductive layers are movable relative to each other at at least one end. A dielectric layer or flexible printed circuit board may be disposed between the conductive layers.05-12-2011
20110111630Plug/Jack System Having PCB with Lattice Network - A jack is provided that has compensation and crosstalk zones. At least one of the zones employs a lattice network that couples conductors in the zone to reduce the net crosstalk in the plug/jack system. The lattice network has a frequency response slope that is different from the frequency response slope of a first-order coupling or of a series LC circuit coupling. A variety of lattice networks are provided.05-12-2011
20110109213Fiber Tray - A fiber tray for managing and organizing fiber distribution is disclosed. The fiber tray includes a housing and a drawer received in the housing. The housing is secured to an equipment rack. The housing includes inner sides with a glide mechanism extending the length of each inner side. The glide mechanism includes a first end and a second end. The glide mechanism also includes at least one curved path located at one of the first end and the second end. The drawer includes a bottom, a first side, a second side, a front and a back. The first and second sides of the drawer have a pin. The pins extending from the sides of the drawer slide within the glide mechanism to enable the drawer to be retracted, extended or removed from the housing.05-12-2011
20110107597Antioxidant Joint Compound & Method for Forming an Electrical Connection - A joint compound for electrical connections is disclosed which includes an antioxidant base material and a quantity of stainless steel grit mixed with the antioxidant base material to provide improved mechanical pullout strength. The joint compound has a weight ratio of antioxidant to stainless steel grit in the range of from about 30:70 to about 90:10, preferably, from about 40:60 to about 70:30, and more preferably about 50:50. The stainless steel grit is cut wire having a diameter within the range of from about 0.012 inches to about 0.125 inches, with a preferred diameter within the range of from about 0.012 inches to about 0.030 inches, and 0.017 inches being a more preferred stainless steel grit diameter.05-12-2011
20110107559Hook and Loop Tie with a Non-Slip Area - Certain embodiments of the present invention provide a hook and loop tie for securing a bundle of cables. The hook and loop tie comprises a loop component, a non-slip component, and a hook component. The loop component has a first end and a second end opposite the first end. The non-slip component is affixed to the loop component and extends from the first end of the loop component toward the second end of the loop component. The hook component is affixed to the loop component, extends from the second end of the loop component toward the first end of the loop component, and overlaps at least a portion of the non-slip component.05-12-2011
20110106276Building Automation System - A building automation system is provided in which a controller is connected to remote modules through a zone enclosure using RS-485 cables. Branches of modules extending from the zone enclosure are connected together by removable jumpers at the zone enclosure. Sets of branches of modules using different protocols are isolated from each other. Shorts in the RS-485 cables can be determined by disconnecting and reconnecting the branches from the network. The zone enclosure has a patch panel that contains modular RS-485 connectors. An RS-485 cable from the controller and pulled through the building along with other data cables is connected to the RS-485 connectors at the back of the patch panel. The modules are connected to the RS-485 connectors at the front of the patch panel through RS-485 cables.05-05-2011
20110104933Communication Connector with Improved Crosstalk Communication - A communication jack has a housing with a face having a plug receiving aperture. A plurality of conductive path pairs extends from corresponding plug interface contacts located at the plug receiving aperture to corresponding output terminals. A first circuit board is connected to the plug interface contacts and a second circuit board is connected to the plug interface contacts and the output terminals. The first circuit board has a first single stage of crosstalk compensation with opposite polarity of the crosstalk of a plug for a first combination of the conductive path pairs. The second circuit board includes a second single stage of opposite polarity crosstalk compensation for some of the conductive path pairs not compensated on the first circuit board. The stages cancel substantially all of the crosstalk caused by the plug, for the signal operating frequencies, for corresponding combinations of the conductive path pairs.05-05-2011
20110102959Protection Patch Panel - An access control system dissipates voltage transients while allowing access control equipment to operate normally. The access control system utilizes an isolation patch panel which is provided with circuitry to prevent voltage transients from damaging access control equipment, while also enabling the access control equipment to be wired with standard Ethernet cabling.05-05-2011
20110097925Physical Layer Management Using RFID and Near-Field Coupling Techniques - An intelligent network physical layer management system is provided that includes hardware that tracks the connection of plugs of patch cords in interconnect or cross-connect patching environments. RFID signaling is combined with near-field communication techniques to provide a reliable physical layer management system. In interconnect configurations, RFID tags are associated with switch ports of an Ethernet switch, enabling the system of the present invention to detect patch cord insertion and removal at switch ports and to receive information about the switch ports. In cross-connect configurations, RFID signaling is used to track the connections of patch cords between two patch panels. Systems according to the present invention avoid the problems associated with traditional galvanic connections previously used for tracking patch cord connections. An alternative common-mode system is also described.04-28-2011
20110086549Methods and Apparatus for Reducing Crosstalk in Electrical Connectors - A communication jack having crosstalk compensation features for overall crosstalk interference reduction is disclosed. In one embodiment, the jack is configured to receive a plug to form a communication connection, and comprises jack contacts disposed in the jack, with each contact having at least a first surface and a second surface. Upon the plug being received by the jack, the plug contacts interface with the first surface of the jack contacts. The jack further includes a first capacitive coupling connected between two pairs of jack contacts to compensate for near end crosstalk, with the first capacitive coupling being connected to the pairs of jack contacts along the second surface adjacent to where the plug contacts interface with the jack contacts. A far end crosstalk compensation scheme is also set forth.04-14-2011
20110084580Network Cabinet - A network cabinet is provided comprising a base member, two pairs of vertical frame rail members connected to the base member, and a top cover supported by at least one of the vertical frame rail members. The base member defines an opening and another opening is defined in the top cover. The vertical frame rail members are positioned spaced apart from four sidewalls from four corners of the cabinet formed by the four sidewalls, where each sidewall comprises a panel or a door. The two pairs of vertical frame rail members and the four sidewalls define at least one cable management pathway and at least a portion of the cable management pathway is vertically aligned with at least a portion of the opening of the base member and the opening of the top cover.04-14-2011
20110083873Network Cabinet Fitting System - A fitting system for sealing an opening in a top cap of a network cabinet includes a grommet and at least one of a fitting assembly and a cover. The grommet is secured to the opening in the top cap of the network cabinet. The fitting assembly and the cover are secured to the grommet and may include at least one finger lift. A sleeve or a tube may be secured to the fitting assembly.04-14-2011
20110083302Retained Tension Metal Locking Tie with 360 Degree Seal - A cable tie is disclosed. The cable tie includes a strap with an extended tab and a locking head secured to the strap. The locking head has a top and a bottom. The bottom of the locking head includes at least one relief slot that enables the locking head to deform when the cable tie is installed around a bundle of objects. The bottom of the locking head also includes at least one tab that extends away from the locking head. The extended tab of the strap, the at least one front tab of the locking head and the at least one relief slot in the bottom of the deforming locking head enable the cable tie to provide a 360 degree seal around the bundle of objects.04-14-2011
20110074117Cable Drop System - The present invention is directed toward a sealing assembly in a cable drop system. The sealing assembly includes a base mounted to a network cabinet and a cover hingedly connected to the base. The sealing assembly also includes a lower sleeve and an upper sleeve. The lower sleeve and the upper sleeve wrap around the cables passing through an opening in the cable drop system. The lower sleeve includes a top portion and a bottom portion. The bottom portion of the lower sleeve is connected to the base and the upper sleeve is positioned around the top portion of the lower sleeve to form the sealing assembly.03-31-2011
20110072623Elastomeric Releasable Cable Tie - The present invention is directed toward an elastomeric releasable cable tie having a head and a strap extending from the head. The head includes an end wall, an inner wall and sidewalls. The end wall, inner wall and sidewalls define a channel that extends from an entrance end to an exit end of the head. The head also includes a hingeless wedge extending from the end wall into the channel for engaging the strap.03-31-2011
20110070767Method and Apparatus for Patch Panel Patch Cord Documentation and Revision - A method and apparatus are provided for monitoring and reporting cable connectivity such as patch panel port-level connectivity on a real-time basis. For patch panel systems, the approach is based upon a distributed architecture that may be modularly scalable and may reduce, if not eliminate, the need for a centralized signal processor and complex cabling between patch panels and the centralized signal processor. Each patch panel may determine port level connectivity independently. Polling delays and polling-related overhead processing may be reduced or eliminated by supporting real-time monitoring of port connectivity at the port level. The approach provides improved real-time reporting of patch panel connectivity with reduced cabling complexity, increased reliability, and decreased maintenance costs. In addition, the approach is compatible with (i.e., may communicate with and be controlled by) a multipurpose network management system (NMS). In addition, a compatible revision system is provided.03-24-2011
20110069450Network Cabinet with Thermal Airflow Management System - A network cabinet comprising an electronic component a duct positioned therein. The electronic component has at least one exhaust vent and the duct defines first and second openings. The first opening aligns with the exhaust vent such that the duct receives exhaust therefrom and the duct extends from the first opening toward a side of the network cabinet such that the second opening faces the side of the cabinet to direct the exhaust thereto.03-24-2011
20110068233Vertical Cable Manager - Certain embodiments of the present invention provide a bracket for mounting a vertical cable manager to a rack. The bracket includes a first portion extending in a first direction, a second portion extending from the first portion in a second direction substantially perpendicular to the first direction, and a third portion extending from the second portion in a third direction substantially perpendicular to the second direction and substantially parallel to the first direction. The first portion of the bracket is adapted to snap-fit to the vertical cable manager.03-24-2011
20110065296Block-Out Cover and Removal Tool - A block-out cover is installed in a jack module to prevent entry of undesirable objects. The block-out cover includes at least one window and at least one locking arm. The locking arm secures the cover to the jack module. The window receives a removal tool designed to remove the cover from the jack module. The removal tool includes a body, a lever secured to the body to engage the cover and a prong with a cam surface. The cam surface of the prong deflects the cover from locking engagement with the jack module allowing the removal tool to remove the block-out cover.03-17-2011
20110061924Communication Channels with Suppression Cores - Alien crosstalk suppression cores are used to decrease alien crosstalk in communications channels. Electrical communication cables may be provided with alien crosstalk suppression cores. The alien crosstalk suppression cores, which may be ferrite suppression cores, are placed separately on some or all of the twisted pairs within a communication cable. The alien crosstalk suppression cores reduce ANEXT and AFEXT in high-frequency communications when communication cables are installed near one another. Alien crosstalk suppression cores may also be incorporated into other communication channel components, such as on a PCB within a communication jack.03-17-2011
20110057076Cover For Cable Fitting Base - A cover is releasably secured to a fitting base. The fitting base includes a bottom and sidewalls with a top edge. The cover includes a top having a latch receiving area, a bottom opposite the top and a sliding latch. The sliding latch is positioned on the latch receiving area of the cover. The sliding latch includes a first end with a finger tab, a main body and a second end with locking feet. In the closed position, the sliding latch secures the cover to the cable fitting base.03-10-2011
20110056722Wiring Duct Cover With Foam Insert - A wiring duct includes a base and a snap-on or hinged cover. The base has a bottom wall and two sidewalls extending perpendicularly from the bottom wall. Each sidewall may include a projection to receive a snap-on cover. The snap-on or hinged cover includes a foam insert attached to the bottom side of the cover by adhesive. Support members may be attached to the sides of the foam insert to provide containment when the foam insert is positioned within the base of the wiring duct. When the snap-on or hinged cover is fully installed on the base, the foam insert is compressed between the base, the cables and the cover to block airflow within the wiring duct.03-10-2011
20110054862Multimode Fiber Having Improved Reach - A means of improving the performance of laser optimized multimode fiber optic cable (MMF) to achieve improved optical margin and channel reach for use in high-speed data communication networks is described. The disclosed method can be used to improve the performance of both OM3 and OM4 grades of MMF.03-03-2011
20110054861Methods for calculating multimode fiber system bandwidth and manufacturing improved multimode fiber - An improved algorithm for calculating multimode fiber system bandwidth which addresses both modal dispersion and chromatic dispersion effects is provided. The radial dependence of a laser transmitter emission spectrum is taken into account to assist in designing more effective optical transmission systems.03-03-2011
20110044594Modified Refractive Index Profile For Low-Dispersion Multi-Mode Fiber - An improved multimode fiber optic cable is provided. The improved multimode fiber optic cable includes, but is not limited to, a refractive index profile which is designed to compensate for a radially dependent wavelength distribution of laser launch modes coupled into the multimode fiber optic cable in order to minimize modal dispersion within the multimode fiber optic cable.02-24-2011
20110044583Fiber optic adapter with enhanced alignment - A fiber-optic adapter with enhanced alignment is described. The adapter has two opposing housing halves and two opposing floating connector latches. Each housing half has a channel. The channels are configured to align when the two housing halves are secured together. The channels of the housing halves also have pockets which are configured to utilize a clearance fit, allowing the connector latches to float when the housing halves are secured together.02-24-2011
20110041331Method for Compensating For Crosstalk - An apparatus and method for crosstalk compensation in a jack of a modular communications connector includes a flexible printed circuit board connected to jack contacts and to connections to a network cable. The flexible printed circuit board includes conductive traces arranged as one or more couplings to provide crosstalk compensation.02-24-2011
20110037183Self-Compensating Multi-Mode Fiber - An improved multimode fiber optic cable is designed to compensate for the wavelength distribution and emission pattern of laser sources used in high-speed communication systems. The improved multimode fiber optic cable compensates for the wavelength dependent VCSEL polar emission pattern to reduce modal dispersion. Techniques for reducing the modal dispersion within the improved multimode fiber optic cable allow for improved Bit Error Rate (BER) system performance and/or to achieve greater reach in high bandwidth optical channel links are disclosed. Considerable efforts have been undertaken in the design and production of an improved multimode fiber optic cable to minimize modal dispersion, ignoring the effects of wavelength dependent polar emission patterns in lasers. Material dispersion effects have a significant impact on modal dispersion and by modifying a standard parabolic refractive index profile to compensate for material dispersion effects, overall modal dispersion can be reduced.02-17-2011
20110034067Wire Containment Cap - A wire containment cap has twisted pair slots for routing twisted wire pairs through the wire containment cap. The twisted pair slots are provided with funnel-shaped entrances to assist in routing the twisted wire pairs from a rear end of the wire containment cap toward wire slots of the wire containment cap. The wire containment cap may be provided in shielded or unshielded versions, and is adapted for use with a communication jack assembly.02-10-2011
20110030992Compact Spillover Fitting and Method of Use Thereof - A spillover fitting is positioned on an upstanding side of a lateral cable trough. The spillover fitting includes a first exit path having a first curved surface that extends at least partially over a base of the lateral cable trough, and a bottom wall having a second curved surface intersecting with the first curved surface. The first surface curves upward relative to the base of the lateral cable trough and defines a top surface of a cable path, and the second surface is convexly curved and defines a bottom surface of the cable path. The radius of curvature of the first curved surface is equal to the radius of curvature of the second curved surface.02-10-2011
20110028029Smart Cable Provisioning For a Patch Cord Management System - A network documentation and revision system is presented that includes first and second devices connected by a patch cord. The first device has provisioning and signal ports with corresponding contact assemblies. The second device has a switch port without a contact assembly. The patch cord has signal and control wires, a first connector that connects the signal wires into a signal port and the control wire to a corresponding contact assembly, and a second connector that connects the signal wires to the switch port and terminates the control wire. The second connector contains an indicator controlled by control circuitry, detection circuitry detecting whether the second connector is plugged into the second device, and ID circuitry providing an ID number through the first connector. Installation or removal of the patch cord is guided by indicators on the patch cord and first device without retrofit contacts being added to the second device.02-03-2011
20110006022Telescoping Wire Cable Tray System - The present invention is directed to a telescoping wire cable tray system. The wire cable tray system includes an outer wire cable tray and an inner wire cable tray positioned within the outer wire cable tray. The inner wire cable tray slides or telescopes with respect to the outer wire cable tray enabling the length of the wire cable trays to be adjusted during installation of the wire cable tray system. The wire cable tray system may include trapeze support bars, clamps, side walls or downspout fittings.01-13-2011
20110001408Network Cabinet Fitting System - A network cabinet fitting system includes a grommet, a corrugated tube fitting assembly and a filler panel. The grommet and the filler panel are installed within an opening of a network cabinet top. The fitting assembly is secured around a corrugated tube and inserted into the grommet to seal the opening.01-06-2011
20110000710IN-CEILING ZONE CABLING ENCLOSURE - An in-ceiling cabling enclosure for supporting communications network equipment and cables interconnecting the network equipment including a front wall, a rear wall, and two side walls extending between the front wall and the rear wall creating a volume inside the enclosure. An access door assembly is pivotally connected to either the rear wall or the two side walls. The access door assembly pivots through an arc of ninety degrees between a first position opening the enclosure and a second position closing the enclosure. An equipment mount plate is attached to an interior portion of the access door assembly, and opposed equipment mount rails are removably attached to the equipment mount plate. The equipment mount rails are adapted to receive the network equipment and to secure the network equipment to the access door assembly. A cable slack management tray extends between the opposed equipment mount rails, and the slack management tray has a surface adapted to support and maintain the position and the contour of cable bundles located in the enclosure. A thermal management system is also disposed in the housing to provide efficient exhaust of hot air generated by active equipment in the enclosure to the space outside of the enclosure.01-06-2011
20110000574Adjustable Vertical Exhaust Duct - Certain embodiments of the present invention provide a vertical exhaust duct for an electronic equipment enclosure. The vertical exhaust duct includes a first duct section, a second duct section slidably connected to the first duct section and extendable to a first height above the first duct section, and a third duct section slidably connected to the second duct section and extendable to a second height above the second duct section.01-06-2011
20100330832Plug Locking Assembly and System - A system comprises a plug locking assembly and a key. The plug locking assembly comprises a cover for receiving and holding a plug comprising a latch and a latch support surface positionable under the latch. A rotatable cam comprising a stop surface and a slot may carry the latch support surface and may interact with a cam latch comprising an arm. The arm is alternately positionable to abut the stop surface and to lie within the slot. The key may comprise a shaft, a key tab and a limit tab. The key mates with a key receiving member associated with the cover. The limit tab is positioned on a top surface of the shaft and helps prevent over-rotation of the latch support member.12-30-2010
20100317237Communications Connector with Improved Contacts - A communication jack is provided with plug interface contacts that have a short conductive signal pathway between a plug-jack interface and crosstalk compensation provided on a printed circuit board within the jack. Contacts of the jack are specially designed not to take a permanent set if a six-position plug or an eight-position plug is inserted into an eight-position jack. A printed circuit board in the jack is placed at an angle, shortening the conductive pathway between plug contacts and the printed circuit board.12-16-2010
20100315620Method and Metric for Selecting and Designing Multimode Fiber for Improved Performance - A new metric applicable to the characterization and design of multimode fiber (MMF) is described. The metric is derived from a Differential Mode Delay (DMD) measurement and when used in combination with industry-standard metrics such as Effective Modal Bandwidth (EMB) and DMD, yields a more accurate prediction of MMF channel link performance as measured by Bit Error Rate (BER) testing. The metric can also be used in the design of MMF for improved bandwidth performance. When implemented as a test algorithm in production, it can be used to select, sort, or verify fiber performance. This process can yield a multimode fiber design with a greater performance margin for a given length, and/or a greater length for a given performance margin.12-16-2010
20100304577Powered Patch Panel - A powered communications patch panel is adapted to power network devices connected to the communications patch panel. Power is supplied to the network devices by the powered communications patch panel over the communication cabling. The powered communications patch panel may be provided with a management port to allow remote management of the patch panel via a network connection. Multiple management ports may be provided, allowing patch panels to be connected to one another in a daisy-chain configuration.12-02-2010
20100302754ACTIVE PATCH PANEL - An active patch panel uses small form factor plus (SFP+) connectivity with a plurality of channels extending between first and second faces of the panel. The channels connect ports on the opposing faces of the panel and are provided with additional electronic elements, such as an equalizer, a clock data recovery element, and a pre-emphasis element. A controller can be connected to the plurality of channels to provide instructions for simultaneous equalization and pre-emphasis of a plurality of cable assemblies in the same channel.12-02-2010
20100295553Power Patch Panel with Guided MAC Capability - A method and apparatus are provided for incorporating guided network cable Move/Add/Change (MAC) work order capability into a power patch panel. MAC work orders may be controlled and monitored using in-band signaling using, e.g., standard RJ-45 patch cords. Cable detection is performed at a port level on a real-time basis. Coordination of guided MAC operations may be performed by the patch panel, independently, or in conjunction with, or under the control of, a remote Network Management System. The patch panel may be in either an interconnect or cross-connect configuration.11-25-2010
20100290752VERTICAL CABLE MANAGEMENT SYSTEM - Certain embodiments of the present invention provide a cable manager. The cable manager includes a first side panel, a second side panel spaced apart from the first side panel, a first cross brace bracket connected to the first side panel and the second side panel, and a second cross brace bracket connected to the first side panel and the second side panel and spaced apart from the first cross brace bracket. The first side panel, the second side panel, the first cross brace bracket, and the second cross brace bracket define a first cable pathway for routing a first plurality of cables and a second cable pathway for routing a second plurality of cables.11-18-2010
20100283449COMMUNICATION OUTLET IDENTIFICATION SYSTEM USING ETHERNET SIGNALS - An AC common mode backchannel signaling system is used to provide outlet ID information in a communication network. Wire pairs of a communication network are used to support the AC common mode backchannel signaling system, while also supporting Ethernet communications as well as Power Over Ethernet (PoE). Query and receiving AC circuitry is provided in an intelligent patch panel, and outlet ID receiving and response AC circuitry is provided in communication outlets. These two sets of AC circuitry use the AC common mode backchannel signaling system to communicate with one another, without disrupting PoE or Ethernet signaling on the wire pairs of the network.11-11-2010
20100282493Communication Cable With Improved Electrical Characteristics - A communication cable is provided with a plurality of twisted pairs of conductors and a matrix tape having conductive segments separated by gaps. The dimensions of the conductive segments are selected to reduce the undesirable coupling of signals between adjacent cables. An insulating layer may be provided between the twisted pairs of conductors and the matrix tape. In some embodiments, the insulating layer is an embossed or perforated film. The use of an embossed or perforated film decreases the dielectric constant of the insulating layer.11-11-2010
20100276181Communication Cable With Embossed Tape Having Encapsulated Gas - A layered tape having pockets therein is used as part of a communication cable to improve alien crosstalk attenuation. In one embodiment, a single layered tape has an embossed layer bonded to a matrix tape layer having non-continuous conductive traces, with the resulting layered tape reducing alien crosstalk between cables. Pockets resulting from the embossing are filled with a gas such as dry air to decrease the dielectric constant through the effective thickness of the tape. A layered tape may alternatively be provided as a separate tape from a matrix tape, such that coupling between conductive pairs of the cable and the matrix tape is reduced. Decreasing the dielectric constant of materials between adjacent cables also decreases alien crosstalk coupling between the cables.11-04-2010
20100271961Method and Apparatus for Documenting Network Paths - Methods and apparatus for documenting network path connectivity are described that allow a network management system/revision management system (NMS/RMS) to determine what equipment and ports support a network path by interrupting and restoring Power-over-Ethernet (PoE) service on the network path. Upon detecting a loss of PoE service, communication active jacks that support network path connectivity may activate an internal switch that interrupts downstream connectivity. Each communication active jack along the network path may then begin broadcasting a unique message in the upstream direction that is addressed to the NMS/RMS. Upon receiving a unique active jack message, the NMS/RMS may record the information contained within and instruct the communication active jack to reestablish connectivity to the next downstream device. In this manner, as each device along a network path regains connectivity the network path information stored within the NMS/RMS is updated until a complete view of the network path is documented.10-28-2010
20100267274COMMUNICATION PORT IDENTIFICATION SYSTEM - A communication port identification system enables an intelligent interconnect patch panel to reliably track connections to network switches. Network switch ports are provided with port ID modules that are inserted into the ports. Intelligent interconnect patch cords each utilize a patch cord microcontroller and out-of-band conductors to enable communication between an intelligent interconnect patch panel and the port ID modules of the switch port. Each port ID module is provided with a unique identification number, and the intelligent interconnect patch panel is thereby able to track all of its connections to the port ID modules in real time, and to update a network management system accordingly.10-21-2010
20100267272Wire Containment Cap - A wire containment cap includes a first side having a plurality of retainers for retaining wires, and a second side opposite the first side. Two sidewalls extend between the first side and the second side, and a support rib extends between the two sidewalls. The support rib includes two pair separators for separating wire pairs. In one embodiment, a plurality of sloped pair splitters is located between two of the retainers and includes a sharp point for cutting through insulation material on a pair of bonded wires. A communication jack assembly including a front portion and the wire containment cap is also described.10-21-2010
20100264788NETWORK CABINET - A network cabinet is provided comprising a base member, two pairs of vertical frame rail members connected to the base member, and a top cover supported by at least one of the vertical frame rail members. The base member defines an opening and another opening is defined in the top cover. The vertical frame rail members are positioned spaced apart from four sidewalls from four corners of the cabinet formed by the four sidewalls, where each sidewall comprises a panel or a door. The two pairs of vertical frame rail members and the four sidewalls define at least one cable management pathway and at least a portion of the cable management pathway is vertically aligned with at least a portion of the opening of the base member and the opening of the top cover.10-21-2010
20100252701Vertical Cable Manager - A cable manager is disclosed. The cable manager includes a backbone, a plurality of finger sections connected to the backbone to form a vertical cable channel, and a first pair of horizontal rails connected to the top end of the backbone and a second pair of horizontal rails connected to the bottom end of the backbone. The cable manager also includes a first cross brace connected to the first pair of horizontal rails and a second cross brace connected to the second pair of horizontal rails, and a door hingedly connected to the first and second cross braces. Each cross brace includes a mounting surface having a plurality of guide surfaces and an alignment aid protruding from the mounting surface and extending beyond a horizontal axis extending between the guide surfaces. The door includes a pair of latches connected to a hinge pin through a pair of windows, and a spring connected to the hinge pin and the pair of latches.10-07-2010
20100248610Adjustable Vertical Exhaust Duct - An adjustable exhaust duct includes a lower duct section and an upper duct section. The lower duct section may be larger or smaller than the upper duct section, and each duct has four identical locking systems. The locking systems secure the lower duct section and the upper duct section.09-30-2010
20100248527Plug Retention Device - Certain embodiments of the present invention provide an apparatus for retaining a plug in an outlet. The apparatus includes a pair of arms and a body slidably connected to the arms. The arms are connected to the outlet. The body slides along the arms to retain the plug in the outlet.09-30-2010
20100241245Building Automation System Controller - A building control system is provided that receives information from devices of different subsystems. A trigger causes a zone controller to store the information in a database. The stored data is used to generate customized reports based on sequences or sets of related events. The information from multiple subsystems is consolidated, analyzed, and patterns of behavior are determined. The trigger also causes execution of control actions throughout the building spanning the multiple subsystems, devices, and areas based on the information. An access control subsystem and a non-access control subsystem of the building control system are linked using a common network such that a change in the state of an access control device can affect the state of a non-access control device and a change in the state of a non-access control device can affect the state of an access control device.09-23-2010
20100236813Alien Crosstalk Suppression with Enhanced Patch Cord - Systems and methods for decreasing alien crosstalk use enhanced patch cords for introducing additional attenuation. The enhanced patch cords are preferably shielded to reduce alien crosstalk down their lengths and also attenuate signals passing therethrough to a greater extent than standard communication patch cords. The interaction of two enhanced patch cords results in two suppression steps for alien crosstalk and only one suppression step for intended signal passing through a communication cable.09-23-2010
20100235382IDENTIFICATION AND AUTHORIZATION SYSTEM - An identification and authorization system is provided that utilizes a national ID database and a number of application-specific databases. The national ID database contains unique individual ID numbers linked to unique biometric codes. The application-specific databases contain an applicable portion of the same unique individual ID numbers that are contained in the national ID database. To complete a transaction, a credential such as an ID card is scanned and a biometric scan of the individual is completed. The transaction information and the individual ID number is sent to the appropriate application-specific database. Verification of identity is completed at the national ID database, which compares the biometric code of the biometric scan with the biometric code linked to the unique individual ID number. A response from the application-specific database and a response from the national ID database is sent to the scanning location.09-16-2010
20100232873Releasable Barb Assembly - The embodiments provide a barb assembly for use with a cable duct component to oppose removal of a cable duct section from the cable duct component. The barb assembly can comprise a releasable assembly for applying a force to a barb and, responsive to the application of the force, for moving the barb and one or more barb arms from an unengaged position to an engaged position without the use of tools. The barb assembly and/or cable duct component can also comprise a spring bias, which can bias the releasable assembly to the unengaged position upon actuating the releasable assembly to the unengaged position. The embodiments also provide methods of installing cable duct components and systems with the above-described features.09-16-2010
20100232756Block-Out Device For Fiber Optic Adapter - The present invention is directed toward a device for protecting an adapter from contamination, damage or misuse. The device includes a front member having an opening for receiving a removal tool. The device also includes cover members having a front portion and a back portion. The front member of the device interconnects the front portions of the cover members. The front portion of each cover member includes a sealing member for sealing an opening in the adapter when the cover member is installed within the adapter. The back portion of each cover member includes an arm extending upwardly therefrom for engaging the adapter to secure the device within the adapter.09-16-2010
20100229363Block-Out Cover and Removal Tool - A block-out cover is installed in a jack module to prevent entry of undesirable objects. The block-out cover includes at least one window and at least one locking arm. The locking arm secures the cover to the jack module. The window receives a removal tool designed to remove the cover from the jack module. The removal tool includes a body, a lever secured to the body to engage the cover and a prong with a cam surface. The cam surface of the prong deflects the cover from locking engagement with the jack module allowing the removal tool to remove the block-out cover.09-16-2010
20100224389Method and Apparatus For Manufacturing Mosaic Tape For Use In Communication Cable - Cable foil tape having random or pseudo-random patterns or long pattern lengths of discontinuous metallic shapes and a method for manufacturing such patterned foil tape are provided. In some embodiments, a laser ablation system is used to selectively remove regions or paths in a metallic layer of a foil tape to produce random distributions of randomized shapes, or pseudo-random patterns or long pattern lengths of discontinuous shapes in the metal layer. In some embodiments, the foil tape is double-sided, having a metallic layer on each side of the foil tape, and the laser ablation system is capable of ablating nonconductive pathways into the metallic layer on both sides of the foil tape.09-09-2010
20100223786Method of Compensating for Crosstalk - A network cable jack includes a printed circuit board (PCB) for balancing both inductive and capacitive coupling. Using a PCB allows compact trace paths to be formed without significantly increasing manufacturing costs. By including on each trace path two distinct inductance zones separated by a neutral zone, significant gains in degrees of freedom are achieved for designing PCB trace patterns in which a pair of inductive coupling zones jointly offset the inductive coupling caused by a specification plug and the jack contacts, both in magnitude and phase angle. Further, using distinct inductance zones offers more freedom regarding the placement of capacitive plates for use in capacitance balancing as well as the placement of terminals and insulation displacement contacts. Although the magnitude of a capacitive coupling is determined by the length of the capacitor plates parallel to current carrying traces, the approach allows capacitive and inductive coupling to be balanced independently.09-09-2010
20100221947Method and Apparatus for Patch Panel Patch Cord Documentation and Revision - A method and apparatus are provided for monitoring and reporting cable connectivity such as patch panel port-level connectivity on a real-time basis. For patch panel systems, the approach is based upon a distributed architecture that may be modularly scalable and may reduce, if not eliminate, the need for a centralized signal processor and complex cabling between patch panels and the centralized signal processor. Each patch panel may determine port level connectivity independently. Polling delays and polling-related overhead processing may be reduced or eliminated by supporting real-time monitoring of port connectivity at the port level. The approach provides improved real-time reporting of patch panel connectivity with reduced cabling complexity, increased reliability, and decreased maintenance costs. In addition, the approach is compatible with (i.e., may communicate with and be controlled by) a multipurpose network management system (NMS). In addition, a compatible revision system is provided.09-02-2010
20100220962Reversible Fiber Optic Stub Clamping Mechanism - A fiber optic stub fiber connector for reversibly and nondestructively terminating an inserted field fiber having a buffer over at least a portion thereof. The connector includes a housing and a ferrule including a stub fiber disposed within and extending from a bore through the ferrule. The ferrule is generally at least partially disposed within and supported by the housing. The connector further includes a reversible actuator for reversibly and nondestructively terminating the inserted field fiber to the stub fiber. The reversible actuator includes a buffer clamp for engaging with the buffer to simultaneously provide reversible and nondestructive strain relief to the terminated field fiber.09-02-2010
20100219726Network Cabinet - A network cabinet is provided comprising a base member, two pairs of vertical frame rail members connected to the base member, and a top cover supported by at least one of the vertical frame rail members. The base member defines an opening and another opening is defined in the top cover. The vertical frame rail members are positioned spaced apart from four sidewalls from four corners of the cabinet formed by the four sidewalls, where each sidewall comprises a panel or a door. The two pairs of vertical frame rail members and the four sidewalls define at least one cable management pathway and at least a portion of the cable management pathway is vertically aligned with at least a portion of the opening of the base member and the opening of the top cover. The network cabinet may also comprise two front corner posts and two rear corner posts.09-02-2010
20100210134CROSS CONNECT PATCH GUIDANCE SYSTEM - An intelligent network patch field management system and specialized cross-connect cable are provided to help guide, monitor, and report on the process of connecting and disconnecting patch cords plugs in a cross-connect patching environment. The system is also capable of monitoring patch cord connections to detect insertions or removals of patch cords or plugs. The cross-connect cable is provided with LED's in both of the cable plugs. When only one plug of the cross-connect cable is plugged into a port, the LED associated with that plug is switched out of the circuit, while the LED in the unplugged plug remains in the circuit and can still be illuminated by the system.08-19-2010
20100206608COMMUNICATION CHANNELS WITH CROSSTALK-MITIGATING MATERIAL - Alien crosstalk in communication channels is decreased with the use of crosstalk-mitigating materials. Electrical communication cables may be provided with crosstalk-mitigating materials that surround twisted pairs in the cables. According to one embodiment, the crosstalk-mitigating material is an electrically resistive material having electrically conductive areas placed thereon. Such a material mitigates the effects of electrical and magnetic fields that would normally lead to alien crosstalk between communication channels.08-19-2010
20100197162METHOD AND SYSTEM FOR IMPROVING CROSSTALK ATTENUATION WITHIN A PLUG/JACK CONNECTION AND BETWEEN NEARBY PLUG/JACK COMBINATIONS - This application describes a jack for improving crosstalk attenuation. The jack has a housing, a foil at least partially surrounding the housing, a printed circuit board, and at least one pair of insulation displacement contacts and vias. Each pair of insulation contacts and vias are associated with a differential signal. A conductive trace stub is routed on the printed circuit board near the edge of the board in order to at least partially balance the coupling from one of the insulation displacement contacts and vias of a pair to the foil with the other insulation displacement contact and via of the pair.08-05-2010
20100192331Hook and Loop Tie with a Non-Slip Area - Certain embodiments of the present invention provide a hook and loop tie for securing a bundle of cables. The hook and loop tie comprises a base component, a loop component, a hook component, and a non-slip component. The base component has a first side, a second side opposite the first side, a first end, and a second end opposite the first end. The loop component is affixed to the first side of the base component and has a plurality of loop fastening elements. The hook component is affixed to the second side of the base component, is disposed at the first end of the base component, extends therefrom toward the second end of the base component, and has a plurality of hook fastening elements. The non-slip component is affixed to the second side of the base component, is disposed at the second end of the base component, and extends therefrom toward the first end of the base component. Proximate ends of the hook component and the non-slip component are spaced apart to define a gap therebetween.08-05-2010
20100184323Patch Cord with Insertion Detection and Light Illumination Capabilities - A patch cord for an intelligent patching system is provided. The patch cord is a ten-wire patch cord having a patch panel plug and a switch plug. The patch panel plug contains ninth and tenth wire contacts that interface with ninth and tenth wire contacts of an intelligent patch panel port. The switch plug is provided with a plunger-style switch that enables the intelligent patch panel to determine when the switch plug is plugged into a switch port. The switch plug is also provided with LED's and circuitry that controls the LED's.07-22-2010
20100184313Block-Out Cover and Removal Tool - A block-out cover is installed in a jack module to prevent entry of undesirable objects. The block-out cover includes at least one window and at least one locking arm. The locking arm secures the cover to the jack module. The window receives a removal tool designed to remove the cover from the jack module. The removal tool includes a body, a lever secured to the body to engage the cover and a prong with a cam surface. The cam surface of the prong deflects the cover from locking engagement with the jack module allowing the removal tool to remove the block-out cover.07-22-2010
20100183262Patch Panel with a Motherboard for Connecting Communications Jacks - An active jack, which is a powered device, is installed as the network connection at a workstation which provides the capability to determine the physical location of a destination device, such as a VoIP phone, in real time. Uninterruptible power supplies may be used to provide power to network components, for example during an emergency. Power-and-data deployments are shown for powering network components and destination devices.07-22-2010
20100171003Common Bonding Network Clamp - A clamp used to create a bond between under floor wiring systems and a common bonding network is disclosed. The clamp includes a mounting bracket, a J-bolt and a split bolt for securing wires to the mounting bracket. The mounting bracket has a main body with an aperture and a slot. The J-bolt has a first end and a second end. The first end of the J-bolt is attached at the aperture of the mounting bracket and the second end of the J-bolt is positioned within the slot of the mounting bracket. The second end of the J-bolt is removed from the slot to enable the second end of the J-bolt to pivot away from the mounting bracket enabling the J-bolt to engage a floor pedestal.07-08-2010
20100157516PHYSICAL INFRASTRUCTURE MANAGEMENT SYSTEM - Systems and methods of the present invention allow for the discovery of physical location information about network assets and the delivery of that information to network administrators. In addition, environmental and other information about network asset locations can be provided to an administrator. Intelligent patch panels and power outlet units are installed in network cabinets to facilitate the acquisition and reporting of physical infrastructure information, including information about network resource availability.06-24-2010
20100154478MULTIMODE FIBER HAVING IMPROVED INDEX PROFILE - A graded index multimode fiber and method of producing the graded index multimode fiber utilize a technique of reducing an index profile of the core of the multimode fiber below a standard parabolic index profile. This can be done by changing dopant concentrations in the fiber core over the radius of the fiber core. The result is a multimode fiber having differential mode delay characteristics that are intentionally not minimized. The index profile can be reduced below the standard parabolic index profile over the entire radius of the core, or only for radii above a specified radius.06-24-2010
20100149709POWER OVER ETHERNET TRANSIENT VOLTAGE SUPPRESSION PATCH PANEL - A device for providing transient voltage suppression on a Power over Ethernet system is provided. The device includes a transient voltage suppression module. The transient voltage suppression module includes a circuit module, which includes a circuit board and input and output connectors. One or more transient voltage suppression modules may be mounted to a frame to form a transient voltage suppression patch panel, which, in turn, may be mounted to a rack for use in a telecommunications room. The circuit board combines a frequency-variable impedance connected between conductors in a pair and a voltage-variable impedance connected to the frequency-variable impedance, where the voltage-variable impedance is also connected to a chassis and/or an electrical ground.06-17-2010
20100147853Lock Box with Sliding Lid - The present invention is directed to a secured group lock box. The group lock box includes a body having a latch and a lid connected to the body. The lid includes a main member and a back member. The main member of the lid includes a plurality of slots and the back member of the lid includes a plurality of pins. One of the pins is installed in each of the slots for enabling the main member of the lid to slidingly extend over the body of the group lock box before the lid is rotated away from the body to provide access to the contents therein.06-17-2010
20100142176Spillover Fitting - The present invention is directed to a spillover fitting that routes cables from a lateral trough. The spillover fitting includes fitting walls and a floor positioned between the fitting walls. The floor has an extension flange that extends into the lateral trough. The spillover fitting also includes a containment member that extends from the extension flange. The containment member is positioned over the lateral trough to contain cables routed out of the lateral trough into the spillover fitting.06-10-2010
20100140422Vertical Cable Manager - Certain embodiments of the present invention provide a bracket for mounting a vertical cable manager to a rack. The bracket includes a first portion extending in a first direction, a second portion extending from the first portion in a second direction substantially perpendicular to the first direction, and a third portion extending from the second portion in a third direction substantially perpendicular to the second direction and substantially parallel to the first direction. The first portion of the bracket is adapted to be snap-fitted to the vertical cable manager.06-10-2010
20100139805Power Tool for Stainless Steel Metal Locking Ties - A power tool for installing a metal locking tie is disclosed. The power tool includes a body and a power chassis. The body of the tool includes a gear carrier, a tensioning mechanism and a cutting mechanism. The gear carrier is positioned in the tool body and the tensioning mechanism is mounted in the gear carrier. The cutting mechanism engages the gear carrier. As the tie is tensioned, the gear carrier moves linearly in the tool body to cut the tensioned tie.06-10-2010
20100135633RELEASE LATCH FOR PRE-TERMINATED CASSETTE - A release latch for a pre-terminated cassette is described. The pre-terminated cassette includes a release latch to allow removal of the pre-terminated cassette from a patch panel, where the patch panel includes a retaining feature for retaining the pre-terminated cassette. The release latch includes a cantilever beam located on the sidewall of the pre-terminated cassette. The cantilever beam has a hinge point that allows the beam to deflect with respect to the sidewall. The release latch further includes a depressing tab provided at the distal end of the cantilever beam and a latch tab protruding from the surface of the cantilever beam between the hinge point and the depressing tab. The latch tab is capable of engagement with the retaining feature of the patch panel when the cassette is installed in the patch panel.06-03-2010
20100129044Activation Tool for a Fiber Optic Connector - An activation tool used to terminate a pre-polished, no-crimp fiber optic connector. The tool holds and positions a suitable fiber optic connector, such as an ST-type Opti-Cam connector. A lever on the tool activates a connector cam mechanism to effectuate termination of the fiber. The tool includes a base that supports and locks axial and rotational movement of ferrule holder and backbone components of the connector while a rotatable cam activation tool handle engages with a cam of the connector to rotate the cam between a de-activated position and an activated or terminated position.05-27-2010
20100129034REVERSIBLE FIBER OPTIC CONNECTOR - A re-terminable, no-crimp ST-type optical connector assembly includes a spring-loaded ferrule holder assembly and a reusable activation system for termination of the assembly. The optical connector can be terminated by a suitable cam activation tool. The connector includes a housing, such as a bayonet, matable to a mating adapter, a backbone retained within a rear of the housing, a ferrule holder provided within the backbone, and a cam provided between the ferrule holder and the backbone. The ferrule holder includes an alignment key exposed to mate with a cam activation tool to lock rotation of the ferrule holder relative to other connector components. The cam includes a cam activation cutout at a front face thereof that mates with a cam activation tool interface to enable rotation of the cam between de-activated and activated positions, the cam activation cutout also receiving the alignment key of the ferrule holder therethrough. The cam further includes a first camming profile that actuates a field fiber clamp and a second camming profile that actuates a buffer clamp. The connector may further include alignment flats and features for preventing rotation and axial movement of various components. Because the cam is unexposed when mated, inadvertent de-activation is prevented.05-27-2010
20100126768Sealing Assembly - A sealing assembly having a flexible sleeve and a means for sealing a top portion of the sleeve around a plurality of cables, such as by a hook and loop type fastener attached at the top portion of the sleeve. The sleeve is configured to receive at least one cable therethrough and a bottom portion of the sleeve is configured to be secured to a surface. The sleeve can also be electrically conductive such that the sleeve dissipates static electricity from the cable to the surface. The sealing assembly can also have a grommet positioned adjacent the bottom portion of the sleeve. The grommet has a first wall having a plurality of apertures for connecting the grommet to a surface and a second wall that extends substantially perpendicular to the first wall and is configured to extend through an aperture in the surface. The second wall is flexible to protect the cable from sharp edges associated with the aperture in the surface.05-27-2010
20100120264Intelligent Patching System - An intelligent network patch field management system is provided that includes active electronic hardware, firmware, mechanical assemblies, cables, and software that guide, monitor, and report on the process of connecting and disconnecting patch cords plugs in an interconnect or cross-connect patching environment. The system is also capable of monitoring patch cord connections to detect insertions or removals of patch cords or plugs. In addition, the system can map embodiments of patch fields.05-13-2010
20100116521Communication Cable with Improved Crosstalk Attenuation - A communications cable is provided with a matrix tape that attenuates alien crosstalk when cables run near one another. The matrix tape is provided with conductive segments. The conductive segments are preferably provided on two layers of the matrix tape. In one embodiment, the conductive segments are attached to a film with an adhesive. A barrier tape is preferably provided between the cable core and the matrix tape.05-13-2010
20100104394MOUNT HAVING A PUSH NUT AND A POST - Certain embodiments of the present invention provide a mount. The mount includes a post and a push nut. The post includes a longitudinal axis. The push nut is connected to the post. The push nut includes an opening for receiving the post along the longitudinal axis and at least one locking wedge rotatably connected to the push nut and extending into the opening. The at least one locking wedge allows the push nut to slide along the longitudinal axis of the post in a first direction and prevents the push nut from sliding along the longitudinal axis of the post in a second direction opposite the first direction.04-29-2010
20100101826Communication Cable with Variable Lay Length - Communication cables are provided in which a core lay length of the cable varies along the cable length. The cable may be provided with different segments that have different core lay lengths. It is desirable for neighboring core lay lengths in a cable to differ by a factor of two, to enable a reduction in power-sum alien near-end crosstalk (PSANEXT) when two cables are installed alongside one another. Segments of the cable having different core lay lengths may be spaced periodically along the length of the cable, and the periodicity of the spacing may be altered by a jitter distance. The introduction of jitter into the periodicity of the spacing of the segments increases the likelihood that a beneficial placement of core lay lengths will occur when two or more cables are installed alongside one another.04-29-2010
20100090846SYSTEMS AND METHODS FOR DETECTING A PATCH CORD END CONNECTION - Systems and methods for detecting a patch cord connection are presented. The insertion of a patch cord into a device jack physically closes a circuit, thereby permitting determination of the patch cord connection. The connection of only one side of a patch cord to a jack is able to be determined. In addition, a particular jack with which a patch cord is connected is able to be determined.04-15-2010
20100085726Universal Expandable Patch Panel Bracket - The present invention is directed toward a device that vertically mounts a patch panel to a server cabinet. The device includes a main bracket, a lower mount bracket and rail mount brackets. The main bracket includes an upper end and a lower end. The lower mount bracket is adjustably secured to the lower end of the main bracket. One of the rail mount brackets is adjustably secured to the upper end of the main bracket and a second rail mount bracket is adjustably secured to a lower end of the lower mount bracket. The rail mount brackets secure the device to the server cabinet.04-08-2010
20100084518Control Panel Mount Having One or More Strain Relief Features - Certain embodiments of the present invention provide a control panel mount having one or more strain relief features. The mount has a base and a tether. The tether has a first end and a second end. The first end of the tether is rotatably connected to the base. The second end of the tether is adapted to receive a cable tie.04-08-2010
20100055969Communications connector with multi-stage compensation - A communication connector uses compensation circuitry to compensate for crosstalk in a network connection. Capacitors are connected between specific conducive paths in said communication connector. Inductive stubs are utilized in the compensation circuitry to improve the overall compensation performance.03-04-2010
20100048055Wire Containment Cap - A wire containment cap has twisted pair slots for routing twisted wire pairs through the wire containment cap. The twisted pair slots are provided with funnel-shaped entrances to assist in routing the twisted wire pairs from a rear end of the wire containment cap toward wire slots of the wire containment cap. The wire containment cap may be provided in shielded or unshielded versions, and is adapted for use with a communication jack assembly.02-25-2010
20100048040High-speed connector with multi-stage compensation - A communication connector uses compensation circuitry to compensate for crosstalk in a network connection. Portions of the compensation circuitry are placed on a flexible circuit board that makes conductive contact with plug interface contacts of the connector. Additional compensation circuitry is provided on a rigid circuit board within the connector.02-25-2010
20100029104Pluggable cable connector - A pair manager for use in securing a twin-axial cable to a printed circuit board is described. The pair manager comprises a generally block-shaped portion containing a pair of channels. The channels extend from the front face to the rear face of the block-shaped portion. An integral flange and a pair of integral fingers extend perpendicularly from the front face of the block-shaped portion. The flange extends generally from the center of the front face and the fingers extend from opposite edges of the front face. The fingers and flange function as a partial shield cavity around each pair of conductors. This design helps to maintain better impedance matching when connecting twin-axial cables to a printed circuit board.02-04-2010
20100018376Material Cutter with a Selectable Cutting Profile - A material cutter for producing a selected cutting profile. The material cutter includes a cutter frame and a cutter button. The cutter frame has a stationary blade. The cutter button, which is slidably mounted in the cutter frame, has a moving blade with a cutting edge. The cutter button preferably includes a profile selector, so that when a driving force is applied to the cutter button, the moving blade slides past the stationary blade to the extent allowed by the profile selector. The profile selector may be a knob and the cutting profile may be set manually or automatically. It is preferred that at least one of the selectable cutting profiles is a partial cut.01-28-2010
20100015847Intelligent Inter-Connect and Cross-Connect Patching System - An intelligent network patch field management system is provided that includes electronic hardware, firmware, mechanical assemblies, cables, and software that provide visible and audible cues for connecting and disconnecting patch cords in an interconnect or cross-connect patching environment. Systems of the present invention also monitor patch cord connections in a network.01-21-2010
20100003911Passive Cooling Systems for Network Cabinet - Certain embodiments of the present invention provide a cooling duct assembly for electronic equipment installed in a cabinet. The cooling duct assembly comprises at least one main duct in fluid communication with a front portion of the cabinet. The at least one main duct receives cold air from the front portion of the cabinet and routes the cold air toward a back portion of the cabinet. Additionally, the cooling duct assembly comprises at least one side duct in fluid communication with the at least one main duct. The at least one side duct receives the cold air from the at least one main duct and routes the cold air to at least one side air intake opening on the electronic equipment.01-07-2010
20100000782FITTING DIVIDER WALL FOR A MULTI-CHANNEL METAL RACEWAY - The present invention is directed towards a multi-channel raceway system with a raceway and a fitting component. The raceway includes a base with a bottom and sidewalls that define a channel and a divider wall positioned within the channel. The fitting component includes a base with a bottom and sidewalls that define a channel and a plurality of sets of raised projections. The fitting component also includes a fitting divider wall positioned within the channel of the fitting component. The fitting divider wall includes at least one positioning tab along the bottom of the fitting divider wall for engaging the raised projections extending from the fitting base to secure the fitting divider wall to the fitting base.01-07-2010
20100000758In-Ceiling Zone Cabling Enclosure - An in-ceiling cabling enclosure for supporting communications network equipment and cables interconnecting the network equipment including a front wall a rear wall and two side walls extending between the front wall and the rear wall creating a volume inside the enclosure. An access door assembly is pivotally connected to either the rear wall or the two side walls. The access door assembly pivots through an arc of ninety degrees between a first position opening the enclosure and a second position closing the enclosure. An equipment mount plate is attached to an interior portion of the access door assembly, and opposed equipment mount rails are removably attached to the equipment mount plate. The equipment mount rails are adapted to receive the network equipment and to secure the network equipment to the access door assembly. A cable slack management tray extends between the opposed equipment mount rails, and the slack management tray has a surface adapted to support and maintain the position and the contour of cable bundles located in the enclosure. A thermal management system is also disposed in the housing to provide efficient exhaust of hot air generated by active equipment in the enclosure to the space outside of the enclosure.01-07-2010
20090314902Network Cable Bundling Tool - A network cable bundling tool is disclosed, comprising an inner fitting retained within an outer jacket assembly. The outer jacket assembly comprises a first outer jacket half coupled to a substantially identical second outer jacket half, securing the inner fitting therein. The outer jacket assembly comprises a cylindrical housing, an intake orifice defined within the intake housing, and a plurality of funneling projections coupled to the cylindrical housing wherein the plurality of funneling projections form an array assuming the general shape of a truncated faceted cone. In operation, network cable wires are inserted into the inner fitting, and the inner fitting is then secured within the outer jacket assembly. The network cable bundling tool is then displaced in the desired direction of combing, arranging the network cables into an organized and space-efficient shape.12-24-2009
20090308654Multi Position Divider Clip - The present invention is directed toward a divider clip that holds a divider wall in a multi-channel raceway. The divider clip includes a base and sidewalls extending from ends of the base. The divider clip also includes removable clip fingers that extend from the base. One of the removable clip fingers is located at the center of the base while a second removable clip finger is located closer to one of the sidewalls. One of the clip fingers is removed from the divider clip to enable the remaining clip finger to hold to divider wall to separate the raceway into either a 50/50 channel split, a 60/40 channel split or a 40/60 channel split.12-17-2009
20090305538Wall Mounted Enclosure with Rotating Patch Panel Frame - An apparatus for mounting electrical equipment includes a frame for carrying electrical equipment, a hinge connected to the frame, and a cable ring connected to the hinge. The cable ring is positioned between the frame and an axis of rotation of the hinge.12-10-2009
20090294146Communication cable with improved crosstalk attenuation - The present invention relates to a barrier tape used as part of a communication cable to improve crosstalk attenuation. The barrier tape is provided with one or more barrier layers of discontinuous conductive segments. Conductive segments of one barrier layer are preferably sized and shaped to overlie gaps between conductive segments of another barrier layer.12-03-2009
20090293236Hook and Loop Tie with a Non-Slip Area - Certain embodiments of the present invention provide a hook and loop tie for securing a bundle of cables. The hook and loop tie comprises a loop component, a hook component, and a non-slip component. The loop component has a first end, a second end opposite the first end, and a plurality of loop fastening elements. The hook component is affixed to the loop component, extends from the first end of the loop component toward the second end of the loop component, and has a plurality of hook fastening elements. The non-slip component is affixed to the loop component, extends from the second end of the loop component toward the first end of the loop component, and overlaps at least a portion of the hook component.12-03-2009
20090277570Self-Laminating Rotating Cable Marker Label with Breakaway Portion - A self-laminating rotating cable marker label is constructed of a transparent film having a first adhesive area, an adhesive-free smooth area, and a second adhesive area. A print-on area forms one side of the transparent film, the print-on area adapted to receive indicia identifying the cable about which the marker label is applied. A perforation extends across the transparent film providing a line of separation of the transparent film. When wrapped around a cable, the second adhesive area overlies the print-on area such that the cable identifying indicia is visible through the transparent second adhesive area. As the transparent film is wrapped around the cable, the first adhesive area adheres to the cable. The remainder of the transparent film is rotated, breaking the perforation, whereby the smooth area of the film in contact with the cable provides smooth rotation of the label around the cable.11-12-2009
20090275216Patch Field Documentation and Revision Systems - A communication network device and corresponding patch field system are disclosed. The device includes a port module, ports, and an appliqué attached to a face of the port module. The appliqué includes a printed circuit board (PCB) with conductive pads. A patch cord connects the device with an intelligent patch panel. The patch cord contains at least one system wire. The patch panel is adapted to measure a resistance associated with each port via the system wire. An open circuit indicates that no patch cord is attached to the port, a resistance within a first range indicates that the patch cord is attached only to the port of the intelligent patch panel, and a resistance within a second range less than the first range indicates that the patch cord connects the intelligent patch panel and the device.11-05-2009
20090269973MODULAR CABLE TERMINATION PLUG - The invention is a modular cable termination plug having a conductor divider having an entrant barb and a plurality of divider channels, a load bar having a plurality of through holes and a plurality of slots, and a plurality of contact terminals. Additionally, the invention may include a housing, a strain relief collar and a strain relief boot.10-29-2009
20090263980Powered patch panel - A powered communications patch panel is adapted to power network devices connected to the communications patch panel. Power is supplied to the network devices by the powered communications patch panel over the communication cabling. The powered communications patch panel may be provided with a management port to allow remote management of the patch panel via a network connection. Multiple management ports may be provided, allowing patch panels to be connected to one another in a daisy-chain configuration.10-22-2009
20090260875Multi-Port Compression Connector with Single Tap Wire Access Port - A compression connector is provided for securing wires electrically together but mechanically separated upon completion of a crimping operation applied to the compression connector. The compression connector includes a body portion having a first hook and a first ramp extending from the body portion, the first hook and first ramp forming a first opening providing an entrance to a main wire port in the body portion. The body portion further includes a second hook and a second ramp extending from the body portion, the second hook and second ramp forming a second opening defining an entrance to a common tap wire port in the body portion. A first tap wire nest is located in the body portion with the first tap wire nest having an opening in communication with the common tap wire port. A second tap wire nest is located in the body portion with the second tap wire nest having an opening on communication with the common tap wire port. In an embodiment, a third tap wire nest is located in the body portion, the third tap wire nest having an opening in communication with the common tap wire port.10-22-2009
20090258548Beam clamp - Certain embodiments of the present invention provide a clamp for securing a grounding connector to a structural member. The clamp includes a clamp body having a top section, a bottom section, and a side section, which define an opening for receiving the structural member. The top section includes a plurality of mounting sections separated by at least one slot. Each of the mounting sections includes a mounting hole for receiving a mounting fastener to secure the clamp to the structural member.10-15-2009
20090255319Progressive Crimping Method - Certain embodiments of the present invention provide a progressive crimping method. The method includes assembling a compression connector for crimping, the compression connector including a first section and a second section; crimping the compression connector to a first crimp depth; crimping the first section of the compression connector to a second crimp depth; and crimping the second section of the compression connector to the second crimp depth.10-15-2009
20090250508Antioxidant Joint Compound and Method for Forming an Electrical Connection - A joint compound for electrical connections is disclosed which includes an antioxidant base material and a quantity of stainless steel grit mixed with the antioxidant base material to provide improved mechanical pullout strength. The joint compound has a weight ratio of antioxidant to stainless steel grit in the range of from about 30:70 to about 90:10, preferably, from about 40:60 to about 70:30, and more preferably about 50:50. The stainless steel grit is cut wire having a diameter within the range of from about 0.012 inches to about 0.125 inches, with a preferred diameter within the range of from about 0.012 inches to about 0.030 inches, and 0.017 inches being a more preferred stainless steel grit diameter.10-08-2009
20090242265Power Outlet Unit - Certain embodiments of the present invention provide a power outlet unit. The power outlet unit includes an inlet, a first group of outlets spaced apart at intervals of one rack unit, a first circuit breaker electrically connected to the inlet and the first group of outlets, a second group of outlets spaced apart at intervals of one rack unit, and a second circuit breaker electrically connected to the inlet and the second group of outlets.10-01-2009
20090242069Metal Retained Tension Tie Tool - A tool that installs a metal tie is disclosed. The tool includes a tension mechanism and a tension control system. The tension mechanism tensions the metal tie wrapped around a bundle. The tension control system measures the applied tie tension. The tension control system includes a load cell and a worm cushion that dampens the tension applied to the load cell. The tension mechanism includes a gear train with a worm gear and a worm that distribute the applied tension to the load cell. Once the desired tension has been achieved, the tension mechanism is de-energized and a ball set and cut-off mechanism is activated to set the ball in the metal tie head and to shear a portion of the tensioned metal tie.10-01-2009
20090233486Plug/Jack System Having PCB with Lattice Network - A jack is provided that has compensation and crosstalk zones. At least one of the zones employs a lattice network that couples conductors in the zone to reduce the net crosstalk in the plug/jack system. The lattice network has a frequency response slope that is different from the frequency response slope of a first-order coupling or of a series LC circuit coupling. A variety of lattice networks are provided.09-17-2009
20090207577Modular Stackable Angled Patch Panel for Enclosure - A modular patch panel module is mountable on an electronics enclosure and includes an angled patch face and mounting structure that enables stacking of modular patch panels without interference of patch panel cords with the top of the enclosure or another patch panel stacked thereon. The patch panel modules may each contain a plurality of RJ-45 ports and punchdown blocks. A cover plate may snap fit to the module to retain the patch panel electrical components therebetween.08-20-2009
20090200057Rail Wiring Duct - Certain embodiments of the present invention provide a DIN rail wiring duct. The DIN rail wiring duct has a top, a bottom, and a side. The DIN rail wiring duct includes a base. The base has a top wall, a bottom wall, a sidewall, and a divider wall, which define a channel and a channel opening for accessing the channel. The DIN rail wiring duct also includes a cover for the channel opening. The cover has a top wall and a sidewall substantially perpendicular to the top wall. The top wall of the cover is removably connected to the top wall of the base and the sidewall of the cover is rotatably connected to the sidewall of the base such that the channels are accessible through the channel openings from the top and the side of the DIN rail wiring duct when the cover is rotated from a closed position to an open position.08-13-2009
20090198812Systems and methods for managing a network - A system for managing and documenting a local area communications network is provided which deploys power sourcing equipment and powered devices by the use of active electronic modules, having an Ethernet controller and Power over Ethernet forwarding capabilities, as integral, managed components within the cable plant, to enhance management, documentation, security and emergency 911 aspects of the network as well as extending the physical reach of the network.08-06-2009
20090197458Method and Apparatus for Patch Panel Patch Cord Documentation and Revision - A method and apparatus are provided for monitoring and reporting cable connectivity such as patch panel port-level connectivity on a real-time basis. For patch panel systems, the approach is based upon a distributed architecture that may be modularly scalable and may reduce, if not eliminate, the need for a centralized signal processor and complex cabling between patch panels and the centralized signal processor. Each patch panel may determine port level connectivity independently. Polling delays and polling-related overhead processing may be reduced or eliminated by supporting real-time monitoring of port connectivity at the port level. The approach provides improved real-time reporting of patch panel connectivity with reduced cabling complexity, increased reliability, and decreased maintenance costs. In addition, the approach is compatible with (i.e., may communicate with and be controlled by) a multipurpose network management system (NMS). In addition, a compatible revision system is provided.08-06-2009
20090172921Elastomeric Releasable Cable Tie - The present invention is directed toward an elastomeric releasable cable tie having a head and a strap extending from the head. The head includes an end wall, an inner wall and sidewalls. The end wall, inner wall and sidewalls define a channel that extends from an entrance end to an exit end of the head. The head also includes a hingeless wedge extending from the end wall into the channel for engaging the strap.07-09-2009
20090170377Electric connector and method of performing electronic connection - A modular jack assembly having a housing and a plug interface contact (PIC) sled subassembly insertable into the housing. The PIC sled subassembly provides an electrical and mechanical interface between PICs and a male-type plug receivable in an opening in the housing. The PIC sled subassembly is defined in part by multiple slots formed in the PIC sled subassembly that receive the PICs. The design of the PICs compensates for independent near-end cross-talk vectors and far-end cross-talk vectors to obtain a desired level of electrical characteristics.07-02-2009
20090163084Method and System for Reducing Common Mode Signal Generation Within a Plug/Jack Connection - A communication connector is described that includes a plug and a jack, into which the plug is inserted. The plug terminates a length of twisted pair cable. The jack includes a sled to support contacts for connecting to wires within the cable, a rigid circuit board that connects to the contacts, and a flex board that contacts the plug interface contacts. The jack also includes circuitry to compensate for crosstalk between wire pairs of the cable by adding capacitance values within the sled, rigid circuit board and/or flex board between traces carrying signals from the wire pairs so that crosstalk caused by the plug between wire pairs that have signals in phase cancels with crosstalk caused by the plug between signals out of phase, and so that the capacitance values added between each trace are about equal. The compensation is performed to reduce differential to common mode signal conversion.06-25-2009
20090163074Pre-Terminated Outlet Assembly for Raceway Systems - Certain embodiments of the present invention provide a pre-terminated outlet assembly. The pre-terminated outlet assembly includes a device bracket, an outlet, and a plurality of electrical conductors. The outlet is connected to the device bracket. The plurality of electrical conductors is pre-terminated at the outlet.06-25-2009
20090137159Patch panel with a motherboard for connecting communications jacks - An active jack, which is a powered device, is installed as the network connection at a workstation which provides the capability to determine the physical location of a destination device, such as a VOIP phone, in real time. Uninterruptible power supplies may be used to provide power to network components, for example during an emergency. Power-and-data deployments are shown for powering network components and destination devices.05-28-2009
20090135559Network Cabinet with Thermal Air Flow Management System - A network cabinet comprising an electronic component a duct positioned therein. The electronic component has at least one exhaust vent and the duct defines first and second openings. The first opening aligns with the exhaust vent such that the duct receives exhaust therefrom and the duct extends from the first opening toward a side of the network cabinet such that the second opening faces the side of the cabinet to direct the exhaust thereto.05-28-2009
20090134750Network Cabinet - A network cabinet is provided comprising a base member, two pairs of vertical frame rail members connected to the base member, and a top cover supported by at least one of the vertical frame rail members. The base member defines an opening and another opening is defined in the top cover. The vertical frame rail members are positioned spaced apart from four sidewalls from four corners of the cabinet formed by the four sidewalls, where each sidewall comprises a panel or a door. The two pairs of vertical frame rail members and the four sidewalls define at least one cable management pathway and at least a portion of the cable management pathway is vertically aligned with at least a portion of the opening of the base member and the opening of the top cover.05-28-2009
20090130914Electrical Connector with Improved Crosstalk Compensation - An electrical connector with improved crosstalk compensation is disclosed. By including at least one coupling with a different frequency dependency than other couplings in the connector, crosstalk compensation performance is improved over a greater frequency range. The different frequency dependency may, for example, be used to compensate for phase shifts caused by distances between compensation circuitry and the plug/jack interface. Embodiments for decreasing these distances are also disclosed.05-21-2009
20090129729REVERSIBLE FIBER OPTIC STUB CLAMPING MECHANISM - A fiber optic stub fiber connector for reversibly and nondestructively terminating an inserted field fiber having a buffer over at least a portion thereof. The connector includes a housing and a ferrule including a stub fiber disposed within and extending from a bore through the ferrule. The ferrule is generally at least partially disposed within and supported by the housing. The connector further includes a reversible actuator for reversibly and nondestructively terminating the inserted field fiber to the stub fiber. The reversible actuator includes a buffer clamp for engaging with the buffer to simultaneously provide reversible and nondestructive strain relief to the terminated field fiber.05-21-2009
20090126165Microhook Fastener Apparatus - A microhook and loop fastening and detaching assembly comprising a web including a plurality of malleable loops formed integral with one surface of the web, and a plurality of hooks attached to another surface of the web, wherein the loops are adapted to removably engage the hooks. The hooks are equidistantly-arrayed in a plurality of linear rows on the hook side of the web in a staggered manner across the width of the web, such that each hook in a given row is located between two hooks of an adjacent row. The centerline distance between hooks in adjacent rows in the machine direction of the web is greater than the equidistant centerline dimension between adjacent hooks in the same cross-web row. Each hook includes a pedestal attached to the hook side of the web, and a head portion forming part of the pedestal. The head portion extends in a radial direction beyond the radial extent of the pedestal, and the head portion comprises a flat horizontal underside, or a slightly canted underside extending from a radiused connection between the head portion and the pedestal to a rim of the head portion.05-21-2009
20090124116Wire containment cap with an integral strain relief clip - A wire containment cap for reducing horizontal strain on a cable terminated at a communication jack. The wire containment cap is part of the communication jack and includes a strain relief clip that may be actuated to apply pressure to the cable. The applied pressure holds the cable in place and helps prevent wire pairs of the cable from pulling out of terminals in the communication jack.05-14-2009
20090124112Transparent Insulating Enclosure - An enclosure formed from a first compartment and an identical second compartment to house an electrical connector. Each compartment has a main body that is defined by a first wall, a second wall and ends. The first wall of each compartment has an outer tab with at least one projection that extends inwards and an inner tab positioned adjacent to the outer tab. The second wall of each compartment has an aperture. When the compartments are mounted to each other to form the enclosure, the projection of the first wall of the first compartment is disposed in the aperture in the second wall of the second compartment and the projection of the first wall of the second compartment is disposed in the aperture in the second wall of the first compartment. The enclosure also includes a label and label cover that are disposed inside the enclosure to identify the connector.05-14-2009
20090122484Cooling System - An electronic equipment cabinet configured to support electronic equipment is provided and may include a shelf positioned in the cabinet separating the cabinet into a first zone and a second zone. The first and second zones may be in fluid communication with a cool air source. In some examples, the first zone may receive cool air directly from a cool air source and the second zone may receive cool air from a duct in fluid communication with the cool air source. In another example, both the first and second zones may receive cool air from the cool air source through a duct. In yet other examples, the cabinet may include a baffle between the cool air source and one of the first zones and the second zones to selectively control a quantity of cool air provided to the one of the first and second zones.05-14-2009
20090108145Cable Pathway System - A cable pathway system has a base with a bottom, a generally planar top surface, a first side, and a second side. The base is configured to be secured to an electronic equipment enclosure and also has an aperture formed therein and a wall positioned adjacent to the aperture. The wall has a curved surface that extends from the top surface to the bottom. A first sidewall extends from the top surface along the first side and extends generally perpendicular to the top surface and substantially along the length of the first side. A second sidewall also extends from the top surface along the second side and extends generally perpendicular to the top surface and substantially along the length of the second side.04-30-2009
20090107718Cable Pathway System - A cable pathway system has a base with a bottom, a generally planar top surface, a first side, and a second side. The base is configured to be secured to an electronic equipment enclosure and also has an aperture formed therein and a wall positioned adjacent to the aperture. The wall has a curved surface that extends from the top surface to the bottom. A first sidewall extends from file top surface along the first side and extends generally perpendicular to the top surface and substantially along the length of the first side. A second sidewall also extends from the top surface along the second side and extends generally perpendicular to the top surface and substantially along the length of the second side.04-30-2009
20090107696Cable Pathway System - A cable pathway system has a base with a bottom, a generally planar top surface, a first side, and a second side. The base is configured to be secured to an electronic equipment enclosure and also has an aperture formed therein and a wall positioned adjacent to the aperture. The wall has a curved surface that extends from the top surface to the bottom. A first sidewall extends from the top surface along the first side and extends generally perpendicular to the top surface and substantially along the length of the first side. A second sidewall also extends from the top surface along the second side and extends generally perpendicular to the top surface and substantially along the length of the second side.04-30-2009
20090101765Stackable Mount Assembly Including Indexing/Locking Features - Certain embodiments of the present invention provide a stackable mount assembly that includes indexing and/or locking features. The stackable mount assembly includes a plurality of mounts. Each mount includes a hub and a fastener. Indexing features prevent the hub from freely rotating about the fastener, but allow the hub to index or rotate about the fastener at an index angle. The locking features prevent the hub from rotating about the fastener, locking the hub in a desired position and/or orientation.04-23-2009
20090093169Vertical Cable Manager - Cable managers of the present invention include a panel, at least two adjacent spaced-apart projections, which define an opening therebetween, and a tab connected to at least one of the projections. The tab assists in cable routing and retention. In one embodiment, the tab extends to a distance at least midway between a top surface of the one projection and the bottom surface of the other projection. In another embodiment, a distance between a top surface of the tab on one projection and the bottom surface of another adjacent projection is between about 0.10 inches and about 0.30 inches. In yet another embodiment, a cable manager comprises separable portions, and at least one spacer member which is adapted to be attached to each of separable first and second portions. The spacer member increases the width of the manager to provide additional space to run cable within the manager.04-09-2009
20090090073Cable management system for a raised floor grid system - A cable management system for managing electrical cables in a raised floor grid system is provided. The cable management system includes a cable enclosure including side walls and a base together defining an enclosure cavity. Each of the side walls defines a cable opening and a plurality of bracket openings in communication with the enclosure cavity. The cable management system also includes a sealing assembly installed in each of the cable openings, and a plurality of equipment brackets mountable to the sidewalls via the bracket openings, which are configured to enable mounting of the equipment brackets in vertical and angled orientations. The cable management system further includes a plurality of support brackets connectable to support structure of the raised floor grid system for supporting the cable enclosure on the support structure. The cable enclosure can be installed in the raised floor grid system by removing only a single floor tile.04-09-2009
20090088027Block-Out Cover and Removal Tool - A block-out cover is installed in a jack module to prevent entry of undesirable objects. The block-out cover includes at least one window and at least one locking arm. The locking arm secures the cover to the jack module. The window receives a removal tool designed to remove the cover from the jack module. The removal tool includes a body, a lever secured to the body to engage the cover and a prong with a cam surface. The cam surface of the prong deflects the cover from locking engagement with the jack module allowing the removal tool to remove the block-out cover.04-02-2009
20090086463Wall Mounted Enclosure With Rotating Patch Panel Frame - An apparatus for mounting electrical equipment comprises a frame for carrying electrical equipment, a hinge connected to the frame, and a cable ring connected to the hinge. The cable ring is positioned between the frame and an axis of rotation of the hinge.04-02-2009
20090081888Powered patch panel - A powered communications patch panel is adapted to power network devices connected to the communications patch panel. Power is supplied to the network devices by the powered communications patch panel over the communication cabling. The powered communications patch panel may be provided with a management port to allow remote management of the patch panel via a network connection. Multiple management ports may be provided, allowing patch panels to be connected to one another in a daisy-chain configuration.03-26-2009
20090078331Tie Guide Channel For Cable Tie Installation Tool - An improved cable tie installation tool includes a fixed cable tie guide channel mechanism that assists in retention of cable tie heads in a cable bundling position and prevents “bounce back” of the cable tie head back into the guide channel. The fixed guide channel mechanism is located near the distal end of the guide channel and includes a ramped surface and a retention wall oriented substantially perpendicular to the guide channel. The fixed guide channel mechanism is located on a side opposite a jaw assembly and may be combined with a biased retractable retainer assembly located on a wall opposite the guide channel mechanism. The fixed guide channel mechanism can serve as a primary system, a back-up to the retractable retainer assembly, or used in combination with the retractable retainer assembly. In embodiments, the guide channel mechanism may form an integral part of the guide channel or may be a separate insert affixed to the channel.03-26-2009
20090075523Methods and Apparatus for Reducing Crosstalk in Electrical Connectors - A communication jack having crosstalk compensation features for overall crosstalk interference reduction is disclosed. In one embodiment, the jack is configured to receive a plug to form a communication connection, and comprises jack contacts disposed in the jack, with each contact having at least a first surface and a second surface. Upon the plug being received by the jack, the plug contacts interface with the first surface of the jack contacts. The jack further includes a first capacitive coupling connected between two pairs of jack contacts to compensate for near end crosstalk, with the first capacitive coupling being connected to the pairs of jack contacts along the second surface adjacent to where the plug contacts interface with the jack contacts. A far end crosstalk compensation scheme is also set forth.03-19-2009
20090074361Fiber optic connector with double-clad stub fiber - A fiber optic connector having a double-clad specialty optical stub fiber with a deep index core-to-inner-cladding profile and a raised index outer-cladding profile. The double-clad optical stub fiber abuts against a single-clad field optical fiber of the single-mode type to form an interface across which the primary mode traverses without significantly interfering with higher-order modes. The ratio of the radius of the inner cladding to the radius of the core of the stub fiber is less than 6.5:1. The index profile of the refractive index of the inner cladding is deep relative to the refractive index of the core to confine the primary mode within the core. The raised refractive index of the outer-cladding pulls the higher-order modes deeper into that region, reducing interference with the primary mode. The respective core diameters of the field and stub fibers are matched to avoid mode-field diameter mismatch.03-19-2009
20090068878Wire containment cap - A wire containment cap includes a first side having a plurality of retainers for retaining wires, and a second side opposite the first side. Two sidewalls extend between the first side and the second side, and a support rib extends between the two sidewalls. The support rib includes two pair separators for separating wire pairs. In one embodiment, a plurality of sloped pair splitters is located between two of the retainers and includes a sharp point for cutting through insulation material on a pair of bonded wires. A communication jack assembly including a front portion and the wire containment cap is also described.03-12-2009
20090061755Intake Duct - An electronic equipment cabinet having a duct positioned in a side portion of the cabinet. The duct has a first opening formed in a bottom wall of the duct and a second opening formed in an inside wall of the duct. The first opening is configured to generally align with a cool air source and receive cool air from the cool air source with the first duct installed in the cabinet. The second opening is in fluid communication with a front internal portion of the cabinet and is configured to direct cool air from the duct to the front internal portion of the cabinet with the duct installed in the cabinet.03-05-2009

Patent applications by PANDUIT CORP.