| ADC DSL SYSTEMS, INC. Patent applications |
| Patent application number | Title | Published |
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| 20110134750 | CROSSOVER OPERATION IN A 1+1 PROTECTION SWITCHING ENVIRONMENT - A communication system that comprises at least two links to carry signals, a first communication unit and a second communication unit. The first communication unit comprises at least two ports, each port configured to transmit and receive signals; and a logic unit configured to process the signals transmitted and received by each of the at least two ports in the first communication unit. The second communication unit comprises at least two ports, each port configured to transmit and receive signals and coupled to a respective one of the at least two ports in the first communication unit via a respective one of the at least two links; a programmable logic unit configured to process the signals transmitted and received by each of the at least two ports in the second communication unit; and a processor. The processor is configured to detect a crossover connection between one of the at least two ports in the second communication unit and the respective one of the at least two ports in the first communication unit based on an analysis of a pair identifier field in a message received at the second communication unit, wherein the pair identifier field is separate from the address field of the received message. | 06-09-2011 |
| 20110099546 | SYSTEMS AND METHODS FOR HIGH-SPEED DIGITAL SUBSCRIBER LINE SOFTWARE DOWNLOAD - System and methods for High-speed Digital Subscriber Line Software Download are provided. In one embodiment, a Digital Subscriber Line (DSL) Transceiver Unit is provided. The transceiver unit comprises at least one DSL transceiver, wherein the at least one DSL transceiver implements an Embedded Operations Channel (EOC) and a data path over at least one DSL pair; a first memory for storing a software file for transfer over the DSL pair, wherein the software file comprises a header and at least one file record; and a second memory for storing a provisioning table, wherein the provisioning table establishes timeslot allocations for a plurality of channels communicated over the data path, including provisions for a software download channel for transmitting the software file from the first memory to a target unit over the data path. | 04-28-2011 |
| 20110064092 | POINT TO MULTIPOINT CROSSLINK - A communication network comprises a first central digital subscriber line (DSL) unit having at least one application port and a plurality of DSL ports; a first remote DSL unit having at least one application port and at least one DSL port, wherein the first remote DSL unit is communicatively coupled to the central DSL unit via a first single independent DSL pair having a first EOC channel; and a second remote DSL unit having at least one application port and at least one DSL port, wherein the second remote DSL unit is communicatively coupled to the central DSL unit via a second single independent DSL pair having a second EOC channel; wherein the at least one application port in the central DSL unit is communicatively coupled to an application port in at least one of the first remote DSL unit and the second remote DSL unit. | 03-17-2011 |
| 20090290603 | MULTIPLE E-CARRIER TRANSPORT OVER DSL - A communication system comprises a first multiplexer card having a first plurality of time division multiplex (TDM) ports and a first differential signaling interface, wherein the first multiplexer card is operable to map timeslots from each of the first plurality of TDM ports to a first combined signal transmitted via the first differential signaling interface; a first unit having a second differential signaling interface coupled to the first differential signaling interface, wherein the first unit is operable to extract the timeslots from the first combined signal and to map the extracted timeslots to a digital subscriber line (DSL) frame for transmission over a DSL link; a second unit coupled to the first unit via the DSL link, the second unit having a third differential signaling interface, wherein the second unit is operable to extract the timeslots in the DSL frame and to map the timeslots to a second combined signal transmitted via the third differential signaling interface; and a second multiplexer card having a second plurality of TDM ports and a fourth differential signaling interface, wherein the second multiplexer card is operable to map each of the timeslots from the second combined signal to one of the second plurality of TDM ports. | 11-26-2009 |
| 20090290583 | SYSTEM AND METHOD FOR MULTIPLEXING FRACTIONAL TDM FRAMES - A multiplexing card comprises a primary TDM port over which TDM frames are communicated to and from a networking device, a plurality of secondary TDM ports over each of which fractional TDM frames are communicated to and from a plurality of digital subscriber line (DSL) units; and a logic device coupled between the primary TDM port and the plurality of secondary TDM ports, wherein the logic device is operable to map timeslots from each of the fractional TDM frames received over the plurality of secondary TDM ports to timeslots in a TDM frame communicated over the primary TDM port, and to map each of a plurality of blocks of timeslots in a TDM frame received over the primary TDM port to one of the plurality of secondary TDM ports; wherein the combined number of timeslots containing user data in the fractional TDM frames received over the plurality of secondary TDM ports is less than or equal to the maximum number of available timeslots in the corresponding TDM frame communicated over the primary TDM port. | 11-26-2009 |
| 20090257580 | FUNCTION FOR CONTROLLING LINE POWERED NETWORK ELEMENT - A network element comprises a power interface to receive power from a power communication medium; a service interface to provide a telecommunication service over a service communication medium; management interface to receive management data over one of the service communication medium and the power communication medium via at least one primitive; and a control module to monitor the at least one primitive and to control operation of the network element based on the at least one monitored primitive. | 10-15-2009 |
| 20090141640 | PORT FAILURE COMMUNICATION IN CROSS-CONNECT APPLICATIONS - Systems and methods for communicating faults across a communications network cross-connect are provided. In one embodiment, a method for communicating an alarm condition in a cross-connected network is provided. The method comprises providing a cross-connect having a first side and a second side, wherein the first side includes a plurality of interface ports and the second side includes an interface port; detecting a fault on a first interface port of the first side; and when a fault is detected on the first interface port of the first side, transmitting a signal on the interface port of the second side, the signal having a pre-defined alarm data pattern inserted into one or more time slots associated with the first interface port of the first side. | 06-04-2009 |
| 20090106473 | CROSSOVER OPERATION IN A 1+1 PROTECTION SWITCHING ENVIRONMENT - A communication unit comprises a first port; a second port, each of the first and second ports configured to transmit signals to and receive signals from another communication unit; a programmable logic unit configured to process signals transmitted and received by the first and second ports; and a processor configured to program the programmable logic unit for crossover operation based on detection of a crossover connection. | 04-23-2009 |
| 20090092149 | ONE-GOOD-PAIR OPERATION IN DUAL-PAIR MODE - A communication system comprising at least one communication unit. Each communication unit includes an interface port, a first-digital-subscriber-line port, a second-digital-subscriber-line port, and a central processing unit. The central processing unit is communicatively coupled to receive information indicative of the operability of the first-digital-subscriber-line port and the second-digital-subscriber-line port. The at least one communication unit is implemented on the physical layer in single-pair mode. The at least one communication unit is configured to switch from sending timeslots in dual-pair mode to sending timeslots in 1+1 protection mode when communication on one of the first-digital-subscriber-line port and the second-digital-subscriber-line port fails. | 04-09-2009 |
| 20090082047 | AUTO-DISCOVERY IN A SWITCH - A wireless communication system comprises a hub; a plurality of radio access nodes, wherein each of the plurality of radio access nodes is coupled to the hub via a respective communication link. The hub comprises a plurality of forward devices that produce digitized versions of downstream analog radio frequency signals received from a plurality service provider interfaces; a plurality of reverse devices that produce reconstructed versions of upstream analog radio frequency signals for transmission to the plurality of service provider interfaces based on digitized version of the upstream analog radio frequency signals received from the plurality of radio access nodes; a plurality of transport interfaces to couple the hub to the plurality of communication links; and a switch having a plurality of ports communicatively coupled to the hub forward devices, the hub reverse devices, and the transport interfaces, wherein the switch selectively routes the digitized versions of the downstream analog radio frequency signals and the digitized versions of the upstream analog radio frequency signals among the plurality of ports. The plurality of ports comprises a plurality of input ports and plurality of output ports; wherein the switch listens for a device identifier on at least one of the plurality of input ports to determine if a device is communicatively coupled to the at least one of the plurality of input ports. The switch transmits a port identifier over at least one of the plurality of output ports and, thereafter, searches a shared data structure to determine if a device is communicatively coupled to the at least one of the plurality of output ports. | 03-26-2009 |
| 20090015434 | ENHANCED AC IMMUNITY IN GROUND FAULT DETECTION - A method for reducing the occurrence of false ground fault detections in a central office terminal is provided. The method includes generating a no-fault signal when no ground current is detected, delaying generation of a fault signal when ground current is detected at least for the duration of an expected pulse in AC induced signal, and when the ground current persists for a sufficient period, generating a signal indicating a fault condition. | 01-15-2009 |
| 20080285437 | ETHERNET PROTECTION SWITCHING SYSTEM - An Ethernet-protection-switch system comprising a first transceiver node having Ethernet ports and transmit/receive lines communicatively coupled to a respective one of the Ethernet ports. The Ethernet ports include one active-receive Ethernet port and at least one backup-receive Ethernet port. Each transmit/receive line carrying duplicates of a data packet sent from a communicatively coupled second transceiver node. The duplicated data packet input from a transmit/receive line to the active-receive Ethernet port is received at the first transceiver node. The duplicated data packet input from a transmit/receive line to a respective one of the at least one backup-receive Ethernet port is discarded at the first transceiver node. If the transmit/receive line inputting the duplicated data packet to the active-receive Ethernet port fails, one of the at least one backup-receive Ethernet ports begins to function as the active-receive Ethernet port. The first transceiver node is configured to output duplicated data packets from each of the Ethernet ports for transmission on each of the transmit/receive lines. | 11-20-2008 |
| 20080240409 | CROSSBAR CABLE - A crossbar cable to connect a crossbar switch with a plurality of outputs comprises a switch connector, a plurality of cables, a plurality of device connectors, and an encasing wrap. The switch connector comprises a plurality of sockets. Each cable has wires connected at a first end to a subset of the sockets in the switch connector. Each device connector is connected to a second end of the wires of one of the plurality of cables. Each of the device connectors is communicatively coupled over the wires to the subset of sockets at the first end of its respective one of the plurality of cables. An encasing wrap bundles the plurality of cables at least at the first ends of the plurality of cables. | 10-02-2008 |
| 20080240090 | PROGRAMMABLE HIGH SPEED CROSSBAR SWITCH - A method for switching digital signals is disclosed. From an external control connection, the method configures a plurality of digital signal paths with at least one crossbar switch and controls a plurality of input and output connections for the digital signals based on the crossbar switch configuration. The method further involves automatically revising the digital signal routing without manual intervention based on configuration commands from the external control connection. | 10-02-2008 |
| 20080239674 | MECHANICAL HOUSING - An apparatus for containing objects, such as electronic circuit cards, and a method for making the same, the apparatus having a housing; at least one case disposed within the housing, the case adapted to confine the objects to different locations within the housing and comprising a frame, the region within the frame divided into two regions by a first partition, each of the two regions divided into a plurality of sections by a plurality of second partitions, each of the second partitions thermally coupled to the frame and the first partition, each of the sections divided into a plurality of slots, each slot having an object disposed therein for thermal contact between the first partition, a second partition, and one of a second partition and the frame; and at least one heat sink adapted to absorb heat from the case, the heat sink thermally coupled to the case and the housing. | 10-02-2008 |
| 20080239666 | FAN MODULE - A fan module is disclosed. The fan module includes a base, at least one first side coupled to the base, and a plurality of fans coupled to the base. The plurality of fans are configured to substantially disperse thermal energy away from one or more electronic components in an enclosure to maintain a current temperature of the one or more electronic components below a critical temperature. The fan module further includes a connector mounted on the at least one first side and coupled to provide power to the plurality of fans. When one of the plurality of fans ceases to operate, the remaining fans in the plurality of fans continue to substantially disperse thermal energy away from the one or more electronic components while maintaining the current temperature below the critical temperature. | 10-02-2008 |
| 20080239661 | APPARATUS FOR COOLING ELECTRONICS - An apparatus for guiding air through electronic components is disclosed. The apparatus has an intake, a transition portion, and a focused egress. The transition portion is connected to the intake and defines a channel. The channel has a generally ‘u’ shaped cross-section and a first edge and a second edge configured to be positioned substantially opposing a surface. The focused egress is connected to the transition portion. | 10-02-2008 |
| 20080238114 | MODULAR CHASSIS LOCK BAR - A lock bar comprises two end sections, each end section including a slot configured to enable attaching the lock bar to a modular chassis and to enable moving the lock bar between a locked position and an unlocked position when the lock bar is attached to the modular chassis; and a middle section coupled to the two end sections and configured with a length longer than the width of the modular chassis. | 10-02-2008 |
| 20080237408 | CABLE MANAGEMENT SYSTEM - An apparatus for managing cables and configured to attach to a side of an electronic device is disclosed. The apparatus has a first planar member which has a plurality of attach points that match a plurality of attach points on an electronic device. The first planar member defines an aperture at least as large as a cable to be attached to the electronic device. The apparatus also has a second planar member parallel to the first planar member. The second planar member has a plurality of attach points that match a plurality of attach points on the electronic device. Additionally, the apparatus has a first support bar connected to and positioned normal to the first planar member and the second planar member. | 10-02-2008 |
| 20080236393 | FILTER ASSEMBLY - A filter assembly comprising a cover plate and a filter support. The filter support includes a length extending perpendicularly from an edge of the cover plate, a first edge and a second edge defining a height, a first U-shaped filter support extending from the first edge and a second U-shaped filter support extending from the second edge. The first U-shaped filter support and the second U-shaped filter support are configured to hold a filter there-between. | 10-02-2008 |
| 20080205449 | CROSS-LINK - A communication network comprises a first digital subscriber line (DSL) unit having a plurality of application ports and at least one DSL port; and a second DSL unit having a plurality of application ports and at least one DSL port; wherein the first DSL unit is communicatively coupled to the second DSL unit via a DSL pair coupled to the at least one DSL port in each of the first and second DSL units; and wherein each of the first and second DSL units are configured to receive a signal of a first interface format over one of the plurality of application ports, extract timeslots from the received first interface format signal, transmit the timeslots over the at least one DSL port, and use timeslots received over the at least one DSL port to generate at least one second signal of a dissimilar interface format. | 08-28-2008 |
| 20080205436 | MEDIA CONVERTER - A method of using a digital subscriber link unit as a media converter, the method comprising coupling a first signal of a first type to a first port of the digital subscriber link unit, converting the first signal of the first type to a second signal of the second type with the digital subscriber link unit and outputting the second signal of the second type from a second port of the digital subscriber link unit. The first port and the second port are not G.SHDSL ports. | 08-28-2008 |
| 20080205298 | POINT TO MULTIPOINT CROSSLINK - A communication network comprises a first central digital subscriber line (DSL) unit having at least one application port and a plurality of DSL ports; a first remote DSL unit having at least one application port and at least one DSL port, wherein the first remote DSL unit is communicatively coupled to the central DSL unit via a first single independent DSL pair having a first EOC channel; and a second remote DSL unit having at least one application port and at least one DSL port, wherein the second remote DSL unit is communicatively coupled to the central DSL unit via a second single independent DSL pair having a second EOC channel; wherein the at least one application port in the central DSL unit is communicatively coupled to an application port in at least one of the first remote DSL unit and the second remote DSL unit. | 08-28-2008 |
