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Twisted-Pair Cable/Connector Pin-Outs
Cables and Connectors
Twisted-Pair Cable/Connector Pin-Outs
Twisted-Pair Cable from Switch-Based MDI-X Module or
Transceiver to an MDI Networked Device
To connect PCs or other MDI network devices to an MDI-X port on the switch,
use a “straight-through” cable. The twisted-pair wires must be twisted through
the entire length of the cable. The wiring sequence must conform to AT&T
258A (not USOC). See “Twisted-Pair Cable Pin Assignments” on page A-5 for
a listing of the signals used on each pin.
Note Pins 1 and 2 must be wired to a twisted pair.
Pins 3 and 6 must be wired to a twisted pair.
Pins 4, 5, 7, and 8 are not used in this application, although they may
be wired in the cable.
SEDONA.BK : sed_apa1.fm5 Page 3 Thursday, February 27, 1997 10:11 AM