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000074_news@watsun.cc.columbia.edu _Thu May 20 10:21:56 1999.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Subject: Re: Why will my communication work at 9600 but not at 2400?
Date: 20 May 1999 14:02:49 GMT
Organization: Columbia University
Message-ID: <7i14m9$1km$1@newsmaster.cc.columbia.edu>
To: kermit.misc@watsun.cc.columbia.edu
In article <3743d3af.641848@news.aone.com.au>,
<douglas.bower@gecits-ap.com> wrote:
: I have recently upgraded a version of Kermit TSO to 4.3.2. Since i
: have done this, i am unable to download files at 2400 baud but it
: works at higher speeds such as 9600.
: See below the stat that is reported by Kermit TSO after the failed
: download.
:
: Bytes/pkt: S=2404 R=15 requiring 3 pkt
: Bytes/sec: S=180 R=1 requiring 40 sec
: Disk bytes/sec. 194 = 20% (SPEED is 9600)
: 5 repeat packets sent
: Optimum packet size: 3893
: Missing start-of-packet
:
: Any help will be appreciated
:
What Kermit software is on the receiving end? What does it report as
the cause of the failure?
Do you still have your older Kermit on TSO? Does it work at both speeds?
My first guess is that the 2400 bps connection has no flow control, but
the 9600 bps connection has RTS/CTS or some other kind of flow control
that prevents data loss.
Please follow up to kermit-support@columbia.edu.
- Frank