Pin Assignments
Hub or Switch Port, or Other MDI-X Port EndSwitch End (MDI-X)
SignalPinsPinsSignal
transmit -61
2
3
6
receive +
receive -
transmit +
transmit -
transmit +
receive -
receive +
3
2
1
Straight-Through Twisted-Pair Cable for 1000 Mbps Network Connections
1000Base-T connections require that all four pairs or wires be connected.
Cable Diagram
NOTE: Pins 1 and 2 on connector “A” must be wired as a twisted pair to pins 1 and 2 on
connector “B”.
Pins 3 and 6 on connector “A” must be wired as a twisted pair to pins 3 and 6 on connector “B”.
Pins 4 and 5 on connector “A” must be wired as a twisted pair to pins 4 and 5 on connector “B”.
Pins 7 and 8 on connector “A” must be wired as a twisted pair to pins 7 and 8 on connector “B”.
92 Cabling and Technology Information
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