HP J3188A manual Twisted-Pair Cable/Connector Pin-Outs, Pins 1 and 2 must be a twisted pair

Cables and Connectors

Twisted-Pair Cable/Connector Pin-Outs

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” 10Base-T 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” at the end of this chapter for a listing of the signals used on each pin.

N o t e	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.

Cables and Connectors

A-3