HP J4868A, Install Manual

Page: 42 / 60

B-4
Switch Ports and Network Cables
Twisted-Pair Cable/Connector Pin-Outs
S
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Ca
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Straight-Through Twisted-Pair Cable for
10 Mbps or 100 Mbps Network Connections
Because of the “HP Auto-MDIX” operation of the 10/100 ports on the switch,
for all network connections, to PCs, servers or other end nodes, or to hubs or
other switches, you can use “straight-through” cables.
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, 5, 7, and 8 are not used in this application, although they may be wired
in the cable.
.
Pin Assignments
Straight-Through Cable
white/orange
orange/white
white/green
green/white
Connector “A” Connector “B”
Switch End (MDI-X) Computer, Transceiver, or
Other End
Signal Pins Pins Signal
r
receive -
tr
transmit - 1
2
3
6 1
2
3
6 tr
transmit -
r
receive -