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000274_bonomi@c-ns._Sat Aug 10 16:28:32 EDT 2002.msg
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Article: 13603 of comp.protocols.kermit.misc
Path: newsmaster.cc.columbia.edu!panix!jfk3-feed1.news.algx.net!allegiance!news.maxwell.syr.edu!news.xnet.com!dfw-peer!news.verio.net!ord-read.news.verio.net.POSTED!not-for-mail
Newsgroups: comp.protocols.kermit.misc
Subject: Re: direct connect using Digimon multiplex
References: <C1A39.15580$nc.1191648@newsread1.prod.itd.earthlink.net>
Organization: Not Much
X-Newsreader: trn 4.0-test69 (20 September 1998)
From: bonomi@c-ns. (Robert Bonomi)
Lines: 37
Message-ID: <4je59.23696$A%3.292456@ord-read.news.verio.net>
Date: Sat, 10 Aug 2002 20:02:08 GMT
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In article <C1A39.15580$nc.1191648@newsread1.prod.itd.earthlink.net>,
nospam <nospam@foo.com> wrote:
>Hello,
>
>I've been using the direct connect feature to transfer files from SCO Unix
>to W2k. This has been working fine. Now for the curve ball..
>
>I'm told that a client has a Digiman peripheral attached to his SCO com1 (
>dev/tty1a) in order to multiplex multiple connections to the SCO box.
>
>Given I have a correct cable ( RS232 - serial NULL modem cable), will the
>direct connection still work? That is, starting wermit on SCO with direct
>connection via /dev/tty1a, can I still send files to the Windows machine?
>The RS-232 plugged into the Digiman box (which is plugged into the SCO comm
>port) and the other end to the W2k comm port.
>
>My colleague assures me that "this is transparent", however, I always worry
>when I hear that :-) ( Like the famous last words: This is the backup!)
>
>Much thanks in advance,
No experience with the specific device.
However, kermit can _usually_ be configured to work (albiet not necessarily
painlessly) in virtually any environment.
The requisite contortions depend greatly on intimate details of the
particular set-up one finds oneself dealing with. Example: one may
not be able to "dial", but if you "output" appropriate incantation,
the equivalent of dialing happens, and the 'modem-like' device connects
to the remote device. Sometimes you have to 'prefix' *lots* of stuff,
and/or change the 'start of packet' character. or reduce the packet size
to something _tiny_ to prevent buffer overflows. And/or add inter-packet
'wait states' to enable the far end to 'catch up'.
With sufficent knowledge of the characteristics and/or quirks of the
data channel, one can get kermit working over practically anything.