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000281_news@columbia.edu _Tue Feb 18 19:55:27 1997.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Problem with dialing on a USRobotics (long)
Date: 19 Feb 1997 00:55:19 GMT
Organization: Columbia University
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Message-ID: <5edj1n$rnt$1@apakabar.cc.columbia.edu>
References: <330A1743.420D@mas-co1.uswc.uswest.com>
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In article <330A1743.420D@mas-co1.uswc.uswest.com>,
Duane Christensen <dlchri2@mas-co1.uswc.uswest.com> wrote:
: I am running: C-Kermit 6.0.192, 6 Sep 96, for HP-UX 9.0
: with a US Robotics Courier V.Everything(TM) modem and the
: modem set to usrobotics on a HP-UX 9000/891 A.09.04 (T500)
: machine.
:
: After a soft reboot of the machine the modem fails to
: recognize the Hangup-command string of ATQ0H0, and then
: fails to recognize the Init-string.
:
In fact, your logs show that it fails to read any characters
at all. What happens if you do this:
set modem type usr
set carrier off
set line /dev/xxxx
set speed 57600
connect
and then type AT and carriage return?
: My guess is that there is not a one second pause around the +++...
:
There is definitely a pause.
: I need to make the script for the new version work all the time.
: I do not want to keep both versions of the code around. If need
: be, I will ask to have the updated version removed. I would prefer
: to have the new version work all the time, and remove the old
: version.
:
I would too, of course. This is a tough one to diagnose at a distance.
Nobody else has reported any problems like this with HP-UX 9.0.
OK, so if you dial the modem with C-Kermit 5A(190) once, then you can
use C-Kermit 6.0.192 all you want until the next time the system is booted?
Let me take a wild stab... One big difference between the two Kermit versions
is that C-Kermit 6.0 automatically chooses the best type of flow control;
in this case RTS/CTS because both the modem and HP-UX support it. 5A(190)
did not do that, and so was probably using the default setting of Xon/Xoff.
This makes me think that the cable between the computer and the modem might
not have the circuits needed for hardware flow control. So what happens if
you do this:
set modem type usr
set flow xon/xoff
set line /dev/xxxx
set speed 57600
and then dial?
- Frank