Crossover Twisted-Pair Cable For 10 Mbps Or 100 Mbps Network Connection - HP ProCurve 2124 Install Manual

Crossover Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connection
The "HP Auto-MDIX" 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.
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
Connector "A"
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