User’s Manual of IGS-20040MT
The standard cable, RJ45 pin assignment
21
3
6
1
2
3
6
21
3
6
The standard RJ45 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
SIDE 2
SIDE 1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
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
SIDE 2
8 = Brown
Crossover Cable
SIDE 1
SIDE 2
SIDE 1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
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
SIDE 2
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.