B-7
Switch Ports and Network Cables
Twisted-Pair Cable/Connector Pin-Outs
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Straight-Through Twisted-Pair Cable for
1000 Mbps Network Connections
1000Base-T connections require that all four pairs or wires be connected.
Cable Diagram
N o t e
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.
