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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
SIDE 1
SIDE2
SIDE 1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
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
Crossover Cable
SIDE 1
SIDE2
SIDE 1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
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.
