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000182_news@columbia.edu_Mon Jan 16 17:19:57 1995.msg
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1995-07-31
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Path: news.columbia.edu!watsun.cc.columbia.edu!jaltman
From: jaltman@watsun.cc.columbia.edu (Jeffrey Altman)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Communicating at 28.8 ?
Date: 16 Jan 1995 17:19:57 GMT
Organization: Columbia University
Lines: 37
Message-Id: <3fe9rt$r93@apakabar.cc.columbia.edu>
References: <jzeroD2GGCx.7LM@netcom.com> <3fc0ub$qmn@apakabar.cc.columbia.edu> <jzeroD2I0DF.9Jn@netcom.com>
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In article <jzeroD2I0DF.9Jn@netcom.com>, Jim Nakamura <jzero@netcom.com> wrote:
>jaltman@watsun.cc.columbia.edu (Jeffrey Altman) writes:
>
>| In article <jzeroD2GGCx.7LM@netcom.com>, Jim Nakamura <jzero@netcom.com> wrote:
>| >
>| >How does one communicate at 28.8 ? I just bought a US Robotics
>| >28.8 Sportster. I have C-Kermit 5A on a linux machine and as there
>| >is no setting for USR, I have set the modem as "Hayes". My line
>| >speed is set for 38400, the highest available. What else need I do?
>
>
>| You must turn off speed matching on both the modem and in C-Kermit.
>
>
> I'm afraid this answer went completely over my head.
> Could you give me an "idiot proof" response? (-;
Sorry I was short on time when I replied. For answers to questions such
as these you should refer to both your modem manual and the appropriate
Kermit book, in this case "Using C-Kermit" as it will contain the answers
you need and quite a bit of background info.
When you set the speed with which you are communicating to your modem,
you are only specifying the interface speed. Not the speed at which your
modem will connect to the remote modem. When a connection is made the
modem reports back the actual connect speed. And depending on how it is
configured it will change the interface speed between the computer and modem
to match.
This is SPEED-MATCHING. Now both C-Kermit and the modem must be told to
do the same thing. Either they both speed-match or they both don't. But
if they do not agree, once a connection occurs you will get garbage.
Jeffrey Altman * PO Box 220415 * Great Neck, NY * 11022-0415 * (516) 466-5495
"C-Kermit: available on more platforms than any other communications software."
"Kermit FTP: sending files whenever and wherever they are needed."
OS/2 version 5A(190): ftp://kermit.columbia.edu/kermit/archives/cko190.zip