The standard cable, RJ45 pin assignment
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
Crossover 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.
42
The standard RJ45 receptacle/connector
SIDE 1
1 = White/Orange
SIDE 1
2 = Orange
3 = White/Green
4 = Blue
5 = White/Blue
SIDE 2
6 = Green
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