Telephone Theory

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Article #19862

#19862

From: Jon Scully
Date: Wed, 05 Oct 1988 00:23

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I've got a microprocessor system design that I need to interface with
phone systems (old styles and new).  I'm desperately looking for a good
book on the subject.  One that does talk in terms of real life stuff
(not how it could work or should work) with real "expected"
voltage/impedence/etc.  values.  I don't need to know about what goes
on at AT&T headquarters, just how to interface to the handset and/or
phone jack. Is there such a book out there? What do modem designers use?

I've got a RatShack book and it's worthless to use for real applications 
info.

Thanks in advance,

jons

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!nrl-cmf!ames!lll-lcc!lll-winken!uunet!iscuva!jons
From: jons@iscuva.ISCS.COM (Jon Scully)
Newsgroups: sci.electronics
Subject: Telephone Theory
Summary: Need a good book on the subject.
Message-ID: <2048@iscuva.ISCS.COM>
Date: 5 Oct 88 00:23:11 GMT
Organization: ISC Systems Corporation, Spokane, WA
Lines: 14