Cable Diagram
Connector A Connector B
Crossover cable
white/orange
orange/white
white/green
green/white
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
NOTE:
• Pins 1 and 2 on connector “A” must be wired as a twisted pair to pins 3 and 6 on connector “B”.
• Pins 3 and 6 on connector “A” must be wired as a twisted pair to pins 1 and 2 on connector “B”.
• Pins 4, 5, 7, and 8 are not used in this application, although they may be wired in the cable.
Pin Assignments
Switch End (MDI-X) Hub or Switch Port, or Other MDI-X Port End
Signal Pins Pins Signal
receive +
receive -
transmit +
transmit -
transmit -
transmit +
receive -
receive +
Straight-Through Twisted-Pair Cable for 1000 Mbps Network Connections
1000BASE-T connections require that all four pairs of wires be connected.
Cable Diagram 43
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