Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!lll-lcc!ames!ucbcad!ucbvax!DEGAS.BERKELEY.EDU!natkin From: natkin@DEGAS.BERKELEY.EDU (Michael Natkin) Newsgroups: mod.telecom Subject: Re: Submission for mod.telecom Message-ID: <17897@ucbvax.BERKELEY.EDU> Date: Tue, 17-Mar-87 19:07:30 EST Article-I.D.: ucbvax.17897 Posted: Tue Mar 17 19:07:30 1987 Date-Received: Thu, 19-Mar-87 04:48:34 EST References: <8703130415.AA22972@seismo.CSS.GOV> Sender: daemon@ucbvax.BERKELEY.EDU Reply-To: degas.Berkeley.EDU!natkin@ucbvax.Berkeley.EDU (Michael Natkin) Distribution: world Organization: University of California, Berkeley Lines: 17 Approved: telecom@xx.lcs.mit.edu In article <8703130415.AA22972@seismo.CSS.GOV> larry@kitty.UUCP writes: > Maintaining proper tip/ring polarity on all outside cables is very >important to the telephone company, since various kinds of test equipment >and procedures used from the central office can pinpoint the precise location >of a cable fault; an important assumption for many of these fault-locating >procedures is that the outside cables always have tip/ring correspondence. > ><> Larry Lippman @ Recognition Research Corp., Clarence, New York I've always wanted to know how the locating of cable faults works - i have some hypotheses, but maybe you would care to edify myself and other readers on this subject? michael natkin natkin@degas.berkeley.edu