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From: root@zswamp.fidonet.org (Geoffrey Welsh)
Newsgroups: comp.dcom.modems
Subject: Datapath modems and Proteon Routers
Message-ID: <7128.27F41B8F@zswamp.fidonet.org>
Date: 29 Mar 91 18:09:23 GMT
Organization: Izot's Swamp BBS - Kitchener, Ontario
Lines: 24

Eric M. Carroll (eric@madhaus.utcs.utoronto.ca ) wrote:

 >From: eric@madhaus.utcs.utoronto.ca 
 >Organization: UTCS, Network Development

 >Does anyone know of a box that would provide V.35 interfaces 
 >and would auto-toggle the DTR when CD is lost or there is no 
 >activity on a line? The closest I have seen is a RS232 
 >timeout box from Black Box. 

   Surely someone at the U of T could wire up a 555 circuit that drops DTR 
for a second or five whenever a true -> false transition is detected on 
DCD?!?  Such a thing would cost only a few bucks a box (hardly worth the 
parking, let alone the gas, for me to come out & build some for you!)
 

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