Compaq NC7131 Gigabit Server Adapter User Guide

Specifications C-3
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 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
5White/Blue
6 RD- Green/White TD- 2
7White/Brown
8Brown/White