Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!wuarchive!decwrl!orc!oliveb!amdahl!dlb!zygot!john
From: john@zygot.ati.com (John Higdon)
Newsgroups: sci.electronics
Subject: Re: power from phone line
Keywords: phone, power, remote
Message-ID: <11301@zygot.ati.com>
Date: 11 Dec 89 21:15:26 GMT
References: <3542@kitty.UUCP> <548@scorn.sco.COM> <3547@kitty.UUCP> <1989Dec9.220311.15928@phri.nyu.edu>
Reply-To: john@zygot.ati.com (John Higdon)
Organization: Green Hills and Cows
Lines: 16

In article <1989Dec9.220311.15928@phri.nyu.edu> roy@alanine.UUCP (Roy Smith) writes:
>Universal Data Systems (now part of Motorola,
>I think) used to make a nice little 1200 bps modem called the 212LP, where
>the LP meant Line Powered.  We had a couple of them.  The power budget must
>have been really tight because this was a real bare-bones unit.  No dialer
>or auto-answer.

We used to use these on phone systems for remote programming and
diagnostics. The 300 bps version (at least) would do auto-answer just
fine. If the 1200 bps won't then one would have to assume that it takes
more power to run the 212 protocol, no?


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        John Higdon         |   P. O. Box 7648   |   +1 408 723 1395
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