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Appendix B RJ-45 Pin Specification
When connecting your 10/100Mbps 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
The standard RJ-45 receptacle/connector
