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From: support@dg-rtp.dg.com (Data General Support)
Newsgroups: comp.os.aos
Subject: Re: AOS/VS Modem Support
Message-ID: <1990Sep13.160341.790@dg-rtp.dg.com>
Date: 13 Sep 90 16:03:41 GMT
References: <1801@Terra.cc.brunel.ac.uk>
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In article <1801@Terra.cc.brunel.ac.uk>, lbsrdrt@cc.brunel.ac.uk 
(David Thomas) writes:
|> Our Library system makes use of AOS/VS modem support to clear network
|> calls made to consult our library catalogue. We use an IAC8 connected
|> to a PAD. When the users quits the catalogue the IAC drops DTR and the
|> PAD clears the call. 
|> 
|> Our problem is that the IAC8 doesn't raise DTR again to be ready for
|> the next caller for 10 seconds, although our software is ready to
|> open the line again after 2 seconds. During this time incoming calls
|> either fail or hang.
|> 
|> We have AOS/VS 7.60   I'm told that if we upgrade to the latest
|> version (7.67 ??) there are parameters that can be set that might
|> help us.

The solution is a switch to the CHARACTERISTICS command, /THC,
which was added as of AOS/VS 7.62.  /THC takes a value in 
milliseconds, so, to solve the above problem, you'd use

      CHARACTERISTICS/THC=2000

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