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Article #19456

Computer Controlled Switch?

#19456
From: John Antypas
Date: Tue, 19 Jul 1988 16:56
23 lines
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I've never really jumped into electronics before so I'm not sure this will
work, but the problem is driving me crazy.  I have a USR Courier 2400 modem
which has the habit of hanging REGULARLY.  True, it MIGHT need servicing, 
but according to USR it just might be brownout conditions.  In any case,
when the modem hangs, the only way to fix it appears to be cycling the 
power on the modem.  Since the hanging never occurs when I'm around to fix
things, I'd like a way for the computer to cycle the power for me.

I have a spare parallel port on the machine, so, would it be possable to 
run a line from the parallel ports strobe line and ground to let us say a 
relay (normally closed) which could then switch power off/on?

True, this design might be dead wrong, but like I said, I'm new to this, and
the courier has dictated I learn.

Thanks.

John Antypas -- Soft21 --21st Century Software:

UUCP: {buita, crash, garp, killer, pyramid}!soft21!jantypas
      {reed, sdeggo, ucsd!ucrmath, uport}!soft21!jantypas
Internet: jantypas%soft21.uucp@{garp.MIT.EDU, ucsd.EDU}
Domains:  jantypas@soft21.CTS.COM { Doesn't work everywhere }
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!seismo!esosun!ucsdhub!ucrmath!jantypas

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From: jantypas@ucrmath.UUCP (John Antypas)
Newsgroups: sci.electronics
Subject: Computer Controlled Switch?
Message-ID: <362@ucrmath.UUCP>
Date: 19 Jul 88 16:56:37 GMT
Reply-To: jantypas@ucrmath.UUCP (John Antypas)
Organization: University of California at Riverside
Lines: 23