User Guide

21
APPENDIX A: RJ-45 PIN SPECIFICATION
When connecting your 16/24-port 10/100M NWay Fast Ethernet
Switch to another switch, a bridge or a hub, a modified
crossover cable is necessary. Please review these products for
matching cable pin assignment.
The following diagram and tables show the standard RJ-45
receptacle/connector and their pin assignments for the switch-
to-network adapter card connection, and the straight / crossover
cable for the Switch-to-switch / hub / bridge connection.
RJ-45 Connector pin assignment
Contact Media Direct Interface Signal
1 TX + (transmit)
2 TX - (transmit)
3 Rx + (receive)
4 Not used
5 Not used
6 Rx - (receive)
7 Not used
8 Not used
The standard cable, RJ-45 pin assignment