Re: circuit that watches for phone ring and resets external device
- From: jasen <jasen@xxxxxxxxxxx>
- Date: 13 Aug 2006 05:46:24 GMT
On 2006-08-12, mc <look@xxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
"Rich Grise" <rich@xxxxxxxxxxx> wrote in message
news:pan.2006.08.13.18.44.51.866947@xxxxxxxxxxxxxx
There was a thread on this some weeks back, and the consesus seemed to be
that using a phone ring signal is a bad idea, unless you can get a phone
that will block everything except your own phone - a wrong number would
take your system down for the reset duration.
Or set it up for your phone to be answered by an old Hayes Smartmodem, and
the reset to occur when the modem detects a connection (not merely a ring).
Then you could reset your system by calling your home phone by modem, but
not by voice.
unless he can whistle up a V.21 carrier :) , I've seen it done.
--
Bye.
Jasen
.
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