Subject: Re: Modem problem (DTR not going high?)
To: Patrick Welche <prlw1@cam.ac.uk>
From: Frederick Bruckman <fredb@fb.sa.enteract.com>
List: netbsd-help
Date: 05/27/1998 15:00:07
On Mon, 25 May 1998, Patrick Welche wrote:

> with getty and with kermit running on the NetBSD box, the DTR light is
> on (ie., no volts on line) and the AA light is on (once one sets
> s0<>0). There is the same pattern of lights in both instances:
>       TST  HS  AA  CD  OH  RD  SD  TR  MR
>        on  on  on off off off off  on  on
> yet with
>   188 ??  S      0:00.05 /usr/libexec/uugetty std.9600 tty00
> running, the modem never answers, but with kermit, it does.
> Any further suggestion greatfully received!

Here's a shot in the dark. If the CD wire is open (in the cable), CD would
float high.  Then getty would start /etc/login to try to log in a user
named `RING'. Failing at that, init would start a new uugetty, and also
toggle dtr, preventing the modem from answering. Same thing if you have
`local' set in /etc/ttys, or if you set &C0. If this is happening to you,
you would see the PID for uugetty change after a failed attempt. kermit,
of course, does no such thing, so it would simply let the modem answer.