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000284_news@columbia.edu _Wed Feb 19 11:15:51 1997.msg
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From: Duane Christensen <dlchri2@mas-co1.uswc.uswest.com:>
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Problem with dialing on a USRobotics (long)
Date: Wed, 19 Feb 1997 09:58:07 -0600
Organization: PDS
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Frank da Cruz wrote:
:
: 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
The highest speed that I can set the speed at is 9600. If I set
anything higher it reverts to the previous setting (300 baud).
: connect
:
: and then type AT and carriage return?
I tried this and nothing happened.
:
: : My guess is that there is not a one second pause around the +++...
: :
: There is definitely a pause.
:
Cool. Thanks.
: : 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
See note above about setting to this baud rate.
:
: and then dial?
I tried this and various combinations of these settings and none
of the settings changed how it worked.
I wonder if there is some kind of configuration issue with HP/UX
or the port. Also, there could be problems with the cable, because
the cable is built by people who know a little about modems and
nothing about HP hardware.
If anyone has the ideal pin-out schematic for this configuration
I would appricate it. When I talk to the people that install modems,
they are not very good about telling me what schematic we are
using, but they are great if you tell them this is the schematic
we need to use. This would be nice to know even if it is not my
problem.
:
: - Frank
Thank you very much for your assistance.
- Duane