76  Installation Guide 
Pin definitions 
There are eight wires on a standard UTP/STP cable and each 
wire is color-coded. The following shows the pin allocation and 
color of straight and crossover cable connection: 
Figure 9: Straight-through cable 
1  White/Orange 
White/Orange  1 
2  Orange  Orange  2 
3  White-Green  White-Green  3 
4  Blue  Blue  4 
5  White/Blue  White/Blue  5 
6  Green  Green  6 
7  White/Brown  White/Brown  7 
8  Brown  Brown  8 
Figure 10: Cross-over cable 
1  White/Orange 
 
White/Orange  1 
2  Orange  Orange  2 
3  White-Green  White-Green  3 
4  Blue  Blue  4 
5  White/Blue  White/Blue  5 
6  Green  Green  6 
7  White/Brown  White/Brown  7 
8  Brown  Brown  8 
Please make sure your connected cables have the same pin 
assignment and color as above before deploying the cables in 
your network.