A-11
Specifications
Twisted-Pair Cable/Connector Pin-Outs
Straight-Through Twisted-Pair Cable for
1000 Mb/s Network Connections
1000BASE-T connections require that all four pairs of 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”.
.
Pin Assignments
For 1000BASE-T operation, all four pairs of wires are used for both transmit and
receive.