
Appendix B
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 23: 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 5
White/Blue
6 Green 6
Green
7 White/Brown 7
White/Brown
8 8
Brown Brown
Figure 24: 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
TruVision IP Do
me Open-Standards User Manual 57
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