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Figure C-1: 10/100 straight-through wiring for RJ-45 connector
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
1
2
3
4
5
6
7
8
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
HP NC7770 PCI-X Gigabit Server Adapter User Guide
Function
Color/Match
TD+
White/Orange
TD-
Orange/White
RD+
White/Green
Blue/White
White/Blue
RD-
Green/White
White/Brown
Brown/White
Function
Pin
RD+
3
RD-
6
TD+
1
TD-
2
Specifications
C-3
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