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There are 8 wires on a standard UTP/STP cable and each wire is color-
coded. The following shows the pin allocation and color of straight
cable and crossover cable connection:
Straight Cable
Crossover Cable
SIDE 1
SIDE 1
SIDE 2
SIDE 1
SIDE 2
12345678
12345678
12345678
12345678
SIDE 2
1 = White/Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
7 = White/Brown
8 = Brown
1 = White/Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
7 = White/Brown
8 = Brown
SIDE 1 SIDE 2
1 = White/Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
7 = White/Brown
8 = Brown
1 = White/Green
2 = Green
3 = White/Orange
4 = Blue
5 = White/Blue
6 = Orange
7 = White/Brown
8 = Brown
Figure A-1: Straight-through and Crossover Cable
Please make sure your connected cables are with the same pin
assignment and color as the above picture before deploying the cables
into your network.
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