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Path: utzoo!utcsrgv!dave
From: dave@utcsrgv.UUCP (Dave Sherman)
Newsgroups: net.dcom
Subject: Can you hook a direct-connect modem to a wired-in phone?
Message-ID: <98@utcsrgv.UUCP>
Date: Mon, 15-Oct-84 16:50:01 EDT
Article-I.D.: utcsrgv.98
Posted: Mon Oct 15 16:50:01 1984
Date-Received: Mon, 15-Oct-84 17:43:33 EDT
Organization: The Law Society of Upper Canada, Toronto
Lines: 25

One of our people often does demonstrations of data communications
from places in which he can't get a jacked phone. The quality of the
line with an acoustic coupler at 1200 baud is often bad, and he's
asked me whether our direct-connect GDC modems can be used in such a case.

It occurs to me that if you take a phone jack which has a female
RJ-11 socket and four coloured wires with connectors coming out
at the other end, it might be possible to wire such a jack into
either the wall plug (to which the phone is permanently wired) or
the phone itself. Has anyone tried this? Is it likely to work?
If you did it in a hotel room, would there be any chance of
doing any harm to the switchboard?

I assume it would be possible to open up the phone, and wire
in the jack's red and green connectors where the line from the wall
comes into the phone. Then plug the modem into this "portable
jack (!)", and you're in business.

Thanks for any comments or suggestions.

Dave Sherman
The Law Society of Upper Canada
Toronto
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