Cables and Connectors
Twisted-Pair Cable/Connector Pin-Outs
Twisted-Pair Cable Pin Assignments
Twisted-Pair Straight-Through Cable
Twisted-Pair Cross-Over Cable
B-4
Switch End (MDI-X)
Signal
Pins
receive +
1
receive -
2
transmit +
3
transmit -
6
Switch End (MDI-X)
Signal
Pins
receive +
1
receive -
2
transmit +
3
transmit -
6
Computer, Transceiver, or
Other MDI Port End
Pins
Signal
1
transmit +
2
transmit -
3
receive +
6
receive -
Hub or Switch Port, or Other
MDI-X Port End
Pins
Signal
6
transmit -
3
transmit +
2
receive -
1
receive +