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From: vtcf@NCSC.ARPA (Williams)
Newsgroups: comp.os.vms
Subject: DF112 modem and DMF32 controllers
Message-ID: <8711041539.AA02221@ncsc.ARPA>
Date: Wed, 4-Nov-87 10:39:38 EST
Article-I.D.: ncsc.8711041539.AA02221
Posted: Wed Nov  4 10:39:38 1987
Date-Received: Tue, 10-Nov-87 07:21:29 EST
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 16

A while back I asked about a problem I was having trying to dial
out on a DF112 moddem using the SET HOST/DTE/DIAL... command.  Rummaging
through the release notes, it says that this won't work on a DMF-32.
The problem is that the modem sends a response character to the host when it
detects a carrier signal, but the DMF-32 drops any input until it sees the
carrier signal.  The release notes state that a workaround is to modify the 
example in SYS$EXAMPLES:DTE_DF03.MAR to perform a IO$_SENSEMODE!IO$M_RD_MODEM
 $QIO to check for a carrier signal.  I know nothing about MACRO, so this d
doesn't help me.  I asked someone here who knows MACRO, and he tried to do
this, but I get an access violation.  Has anyone done this before?  ALSO,
what's the difference between a DF03 and a DF112?  Any help will be greatly
appreciated.

Thanks in advance
Tom Williams
vtcf@ncsc.arpa