Specifications
C-4
HP NC7170 Dual Port PCI-X 1000T Gigabit Server Adapter
10/100 Crossover Pinouts
When the crossover function is not provided within the hub or 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 wiring to use when the crossover function is implemented
externally in the twisted-pair cabling.
Figure C-2: 10/100 external crossover for RJ-45 connector