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- Newsgroups: comp.os.coherent
- Path: sparky!uunet!cs.utexas.edu!qt.cs.utexas.edu!yale.edu!ira.uka.de!smurf.sub.org!incom!orfeo!jrix!joachim
- From: joachim@jr.rhein-main.de (Joachim Riedel)
- Subject: Re: Interesting Modem Problem
- Message-ID: <1992Jul26.114547.6517@jr.rhein-main.de>
- Organization: The European Coherent Support BBS
- References: <1992Jul25.001833.1953@acme.gen.nz>
- Date: Sun, 26 Jul 92 11:45:47 GMT
- Lines: 30
-
- kilroy@acme.gen.nz (earthbound misfit, I) writes:
- > My modeminit is changed from the standard Coherent one somewhat, for
- > starters it's actually /etc/modeminit rather than living in /usr/bin.
- > Mine actually just calls a script called /etc/modemreset which does the
- > work of spitting a command string to the port at the right speed, so
- > /etc/modeminit is similar in concept to something like /etc/drvld.all.
- > The misconfigured modeminit was initialising the modem and presumably the
- > serial drivers to 9600 baud on com2, so later attempts by login (reading
- > from /etc/ttys) to use the port at 19200 were causing speed mismatches.
-
- Am not absolutely sure why you need something like modeminit at all.
- I run my Coherent-BBS without modeminit.
- I setup the modems ( 1 USR Dual Standard ) to a fixed baud rate of 19200 Baud.
- I also setup the modem to reset whenever DTR drops.
- When I want to place a UUCP-call then all info is in /etc/modemcap (former
- times) or is now contained in /usr/local/conf/uucp/sys (Taylor-UUCP).
-
- I think that a hardware reset (DTR drops, MODEM RESETS) is always better
- than a software reset.
- I tried it with several V32bis-modems (USR, ZYXEL, Telebit) and it always
- worked fine.
- With some cheaper V32bis modems (ie. SUPRA - ROCKWELL-CHIPSET) you will
- have problems. Especially because you cannot set a fixed speed. Under
- some circumstances it automaticly switches to a higher speed and then you
- only get junk on the screen.
-
- CHeers,
-
- Joachim
-
-