Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!uwm.edu!uakari.primate.wisc.edu!brutus.cs.uiuc.edu!usc!henry.jpl.nasa.gov!elroy.jpl.nasa.gov!gryphon!vector!telecom-gateway From: wcf@hcx.psu.edu (Bill Fenner) Newsgroups: comp.dcom.telecom Subject: Re: Trivial Ring Detection? Message-ID: Date: 19 Nov 89 18:07:14 GMT Sender: news@vector.Dallas.TX.US Reply-To: Bill Fenner Organization: Engineering Computer Lab, Penn State University Lines: 20 Approved: telecom-request@vector.dallas.tx.us X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@vector.dallas.tx.us X-TELECOM-Digest: volume 9, issue 523, message 7 of 10 In article KLH@nic.ddn.mil (Ken Harrenstien) writes: |(often used as a burglar alarm). I'm not quite sure how to rig up the |detector, though; nothing seems quite elegant enough. If anyone can |think of a trick that will avoid the need to touch a soldering iron, |I'd be delighted. Well, my favorite ring-detection costs about $3... get a 120v relay and hook it in series with a capacitor. I made one of these for a friend who had a modem which did not detect ring so had no auto-answer; we hooked it up to his (atari 800's) joystick port. So the BBS program checked the joystick button, if it was "pressed", send the answer command to the modem. Of course, if you want to do this *right*, you need to touch a soldering iron, but not for too long... Bill Fenner wcf@hcx.psu.edu ..!psuvax1!psuhcx!wcf sysop@hogbbs.fidonet.org (1:129/87 - 814/238-9633) ..!lll-winken!/