A.2 RJ45 Cable Pin Assignments
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-
through cable and crossover cable connection:
Straight Cable
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
Cross Over Cable
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
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.
18
The standard RJ45 receptacle/connector
SIDE 1
1 = White/Orange
SIDE 1
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
SIDE 2
7 = White/Brown
8 = Brown
SIDE 1
SIDE 1
1 = White/Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
SIDE 2
6 = Green
7 = White/Brown
8 = Brown
SIDE 2
1 = White/Orange
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
6 = Green
7 = White/Brown
8 = Brown
SIDE 2
1 = White/Green
2 = Green
3 = White/Orange
4 = Blue
5 = White/Blue
6 = Orange
7 = White/Brown
8 = Brown