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From: telecom@ucbvax.UUCP
Newsgroups: mod.telecom
Subject: rj-25c jack
Message-ID: <8512211749.AA13170@lycaon.UUCP>
Date: Sat, 21-Dec-85 12:49:53 EST
Article-I.D.: lycaon.8512211749.AA13170
Posted: Sat Dec 21 12:49:53 1985
Date-Received: Mon, 23-Dec-85 23:01:07 EST
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 6
Approved: telecom@mit-xx.arpa

An RJ-25C is a three-line modular jack, wired as follows:

	1   2   3   4   5   6
	T3  T2  R1  T1  R2  R3

RJ-25W is probably a wall-mount version of the same thing.