HP NC7131 PCI Gigabit Server Adapter - Manual (Page 22)

C-4 Compaq NC7131 Gigabit Server Adapter Reference Guide
10/100 Crossover Pinouts
Unless the crossover function is implemented within the hub/switch, you must implement the
crossover through the twisted pair media using the physical pinouts indicated in Table C-3.
Table C-3
10/100 Pinouts Using External Crossover
Pin Function Color Match Function Pin
1 TD+ White/Orange RD+ 3
2 TD- Orange/White RD- 6
3 RD+ White/Green TD+ 1
4 Blue/White
5 White/Blue
6 RD- Green/White TD- 2
7 White/Brown
8 Brown/White
Figure C-2 shows the correct 10/100 wiring to use when the crossover function is implemented
externally (in the twisted-pair cabling).
1
2
3
4
5
6
7
8
White/Orange
Orange/White
White/Green
Green/White
Figure C-2. 10/100 External Crossover for RJ-45 Connector