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Cables and Connectors

Twisted-Pair Cable/Connector Pin-Outs

Cables and Connectors

Twisted-Pair Cable/Connector

Pin-Outs

Twisted-Pair Cable for Hub-to-Computer

Network Connection

To connect PCs or other network devices to the hub, use a “straight-through”

Category 3, 4, or 5 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” later in this chapter

for a listing of the signals used on each pin.

Note Pins 1 and 2 must be a twisted pair.

Pins 3 and 6 must be a twisted pair.

Pins 4, 5, 7, and 8 are not used in this application, although they may be wired

in the cable.

Straight-through cable

white/orange

orange/white

white/green

green/white

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