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000313_news@newsmaster….columbia.edu _Wed Jul 29 19:01:05 1998.msg
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From: yahzell@my-dejanews.com
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Serial ports, cables, and terminals
Date: Wed, 29 Jul 1998 21:00:41 GMT
Organization: Deja News - The Leader in Internet Discussion
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In article <6pn8lf$1p7$1@apakabar.cc.columbia.edu>,
fdc@watsun.cc.columbia.edu (Frank da Cruz) wrote:
> In article <6pn0jk$7s0$1@nnrp1.dejanews.com>, <martinja@exis.net> wrote:
> : I have been trying to set up a terminal for my dad. He is using an old
> : 386 with a bootdisk running C-Kermit for MSDOS.
> :
> You mean MS-DOS Kermit?
Yes.
> This is about what a commercial null modem cable would do. So if neither
> cable works, it is probably not a cable problem.
Okay.
> : The connect still does not work! I have Linux using agetty for the serial
> : connection. It ran for half an hour without any errors, but the terminal
> : showed nothing on the screen. Is that the right config for a serial PC-PC
> : connection? How can I test if the serial ports and cable actually work?
> :
> : When I type "show modem" in C-Kermit this is the output:
> : Modem is not ready: DSR is off
> : no carrier detect: CD is off (set carrier is off)
> : no Clear to send: CTS is off
> :
> : With the serial config shown above shouldn't I have a modem ready status?
> :
> Has Kermit been started on the 386? Has it been told to SET PORT x, where
> x is the appropriate COM port number?
It has been started. I have done set port 1.
> The object is to let the 386 log in to Linux, right? So until this works,
> you don't need C-Kermit on Linux for anything. As long as you have a getty
> running on the port to which the cable is connected, and the cable indeed
> does what you say it does (all pins work), and the serial ports are not
> broken, and there are no interrupt conflicts, etc etc, it should work.
The getty is running on Linux. I don't even have C-Kermit for Linux.
> You can use "show comm" in MS-DOS Kermit to look at the modem signals.
> Or, if you have an external modem handy, try plugging each end of the cable
> into it, gender permitting, and see what lights do and don't go on.
I'll see if I can dig one up from a friend somewhere.
> - Frank
Joseph
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