Core Coding®

CAT5 Wiring Guide

  CAT5 Wiring Guide
CAT5 cabling guide on how to wire a straight pair, crossover, and t1 crossover cable.
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# Straight Across #
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1 2 3 4 5 6 7 8
WO O WG BL WBL G WB B

1=White/Orange
2=Orange
3=White/Green
4=Blue
5=White/Blue
6=Green
7=White/Brown
8=Brown

##########################
# Crossover #
##########################

1 2 3 4 5 6 7 8
WG G WO BL WBL O WBN BN

1=White/Green
2=Green
3=White/Orange
4=Blue
5=White/Blue
6=Orange
7=White/Brown
8=Brown

##########################
# T1 Crossover #
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1 -> 4
2 -> 5
4 -> 1
5 -> 2

Going from a T568B, the other end would be Blue, sBlue, sGreen, sOrange, Orange, Green, sBrown, Brown
(Prong tab down, that is showing pins 1 to 8)

##########################
# Pinout Diagram #
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1 White/Orange 3 T+
2 Orange 6 T-
3 White/Green 1 R+
6 Green 2 R-

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