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From: terry@cs.weber.edu (A Wizard of Earth C)
Subject: Re: [386bsd] com-beta & dialin
Message-ID: <1993Feb11.015509.15396@fcom.cc.utah.edu>
Sender: news@fcom.cc.utah.edu
Organization: Weber State University (Ogden, UT)
References: <1l2tog$2jk@wzv.win.tue.nl> <21250022@hpuamsa.neth.hp.com>
Date: Thu, 11 Feb 93 01:55:09 GMT
Lines: 46
In article <21250022@hpuamsa.neth.hp.com> reink@hpuamsa.neth.hp.com (Reinier Kleipool) writes:
> In my opinion you cant dial in AND out with the same port on
>386BSD. The settings are completely different for the two. If you
>want to dial out, you should first shut up the getty in /etc/ttys.
This should be automatic with a calling unit device used for dialout.
>If you want to dial in you should put up the getty, and have a
>setting in /etc/gettytab to set the line disipline to modem.
This should allow the calling unit device to disable the getty automatically
when calling out (setting it modem).
> I also had the problem that my 'intelligent' hayes compatible
>(Tornado) modem kept talking to getty. You get a very interesting
>conversation between getty (Login:) and my modem saying RING.
This only happens if you have clocal set, have a cable that jumpers pin 20
to pin 8 (forcing DCD high) or you have DCD forced high in the modem. The
open for the getty will *not* complete (thus spitting up the login) until
*after* DCD is raised by the modem -- which the modem will do *after* it
issues the connect message, if it is set up correctly.
Basically, this is a configuration problem and doesn't require a whole bunch
of gymnastics to fix.
Remember that the signal ground should be connected on both ends and that
the chassis ground should be connected on just one end (the one with the
best physical ground) to all unconnected wires to avoid both ground loops
and induced current interference.
Remember also that most PC ports require a straight cable because they
are DTE devices.
Terry Lambert
terry@icarus.weber.edu
terry_lambert@novell.com
---
Any opinions in this posting are my own and not those of my present
or previous employers.
--
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"I have an 8 user poetic license" - me
Get the 386bsd FAQ from agate.berkeley.edu:/pub/386BSD/386bsd-0.1/unofficial
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