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Crossover Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connection
The MDI/MDI-X operation of the 10/100 ports on the switch also allows you
to use "crossover" cables for all network connections, to PCs, servers or other
end nodes, or to hubs or other switches.
If any of these ports are given a fixed configuration, for example 100 Mbps/
Full Duplex, the ports operate as MDI-X ports, and crossover cables must be
then used for connections to hubs or switches or other MDI-X network
devices.
Cable Diagram
N o t e
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)
Signal
Pins
receive +
1
receive -
2
transmit +
3
transmit -
6
Switch Ports and Network Cables
Twisted-Pair Cable/Connector Pin-Outs
Hub or Switch Port, or Other
MDI-X Port End
Pins
Signal
6
transmit -
3
transmit +
2
receive -
1
receive +
B-7
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