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Crossover Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connection
The Auto MDI/MDI-X operation of the RJ-45 ports at 10 Mbps or 100 Mbps also
allows you to use "crossover" cables for all network connections, to PCs,
servers or other end nodes, or to hubs or other switches.
For this feature to operate correctly, the port on the connected device must
also be configured as Auto, not in any fixed configuration such as 100 Mbps/
full duplex.
Cable Diagram.
N o t e
■
■
■
Pin Assignments
Connector "A"
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.
Switch End (MDI-X)
Signal
Pins
receive +
1
receive -
2
transmit +
3
transmit -
6
Switch Ports and Network Cables
Twisted-Pair Cable/Connector Pin-Outs
Connector "B"
Crossover Cable
white/orange
orange/white
white/green
green/white
Hub or Switch Port, or Other
MDI-X Port End
Pins
Signal
6
transmit -
3
transmit +
2
receive -
1
receive +
B-5
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