
31
A.2 RJ-45 Cable Pin Assignments
The standard RJ-45 receptacle/connector
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
Cross Over 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.