Top Document: Data Communications Cabling FAQ Previous Document: 8.0 Cabling Standards Next Document: 10.0 Birds and Bees (Plugs vs. Jacks) See reader questions & answers on this topic! - Help others by sharing your knowledge The ANSI/EIA/TIA-568-1991 Standard _Commercial Building Telecommunications Wiring Standard_ defines pinouts; 9.1 Standard EIA/TIA T568A (also called ISDN, previously called EIA) Pin Wire Color === ========== /--T3 1 White/Green Pair3 \--R3 2 Green /----------T2 3 White/Orange / /-R1 4 Blue pair2 \ pair1 \-T1 5 White/Blue \----------R2 6 Orange /--T4 7 White/Brown pair4 \--R4 8 Brown 9.2 Standard EIA/TIA T568B (also called AT&T specification, previously called 258A) /--T2 1 White/Orange pair2 \--R2 2 Orange /----------T3 3 White/Green / /-R1 4 Blue pair3 \ pair1 \-T1 5 White/Blue \----------R3 6 Green /--T4 7 White/Brown pair4 \--R4 8 Brown 9.3 USOC (Universal Service Order Code) 8-pins 6-pins | | /-------------T4 1 White/Brown / /---------T3 2 1 White/Green / / /-----T2 3 2 White/Orange / / / /-R1 4 3 Blue pr4\ pr3\ pr2\ pr1\-T1 5 4 White/Blue \ \ \-----R2 6 5 Orange \ \---------R3 7 6 Green \-------------R4 8 Brown User Contributions:Top Document: Data Communications Cabling FAQ Previous Document: 8.0 Cabling Standards Next Document: 10.0 Birds and Bees (Plugs vs. Jacks) Single Page [ Usenet FAQs | Web FAQs | Documents | RFC Index ] Send corrections/additions to the FAQ Maintainer: pmac@fox.nstn.ca (Peter Macaulay)
Last Update March 27 2014 @ 02:11 PM
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