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000288_news@columbia.edu_Mon Nov 28 13:50:51 1994.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: Problems with Kermit VT220 emulation
Date: 28 Nov 1994 13:50:51 GMT
Organization: Columbia University
Lines: 60
Message-Id: <3bcn7r$627@apakabar.cc.columbia.edu>
References: <3bc2kv$8sc@highway.leidenuniv.nl>
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Apparently-To: kermit.misc@watsun.cc.columbia.edu
In article <3bc2kv$8sc@highway.leidenuniv.nl>,
Peter - INL <VDK@RULXHO.LeidenUniv.NL> wrote:
> I use Kermit to connect to my Internet service provider (a SUN
> machine). The terminal type is set to VT220. When I use programs as
> Pine, NN and Lynx, my screen becomes a mess. I think because they use
> reverse video codes. With 'normal' screens everything is fine. Another
> guy on this group had the same kind of problem and he was advised to set
> flow control to rts/cts. I tried this too, but it didn't help. I tried a
> lot of other things like reliable link with compression, reliable link
> without compression, flow control none, flow control xon/xoff, flow
> control rts/cts, display 8-bit, set terminal to VT 100, but the problem
> still exists. The host sends sequences like <ESC>[7m, <ESC>[m and
> <ESC>[27m. Is there a way to let Kermit interpret these sequences
> correctly?
>
Kermit does interpret these sequences correctly, as all of its users will
testify. I, for one, use it every day in exactly the same environment as
you (dialup thru high-speed modem to a Sun, running applications like trn,
Lynx, MM, and EMACS) and it works perfectly. So something else must be
wrong.
Are you sure that Kermit and the Sun are both set to the same terminal
type (vt220)?
Does your PC have a buffered UART? If not, then you probably should not
try to use interface speeds above a certain level, depending on (a) how
fast your CPU is, and (b) whether your PC is running DOS or Windows.
If you are running Kermit under Windows, you REALLY need a buffered UART.
> What must be the settings of my modem and Kermit to let it talk to a Sun
> machine?
>
Flow control is probably the correct answer. Remember, flow control is
a game that needs two players. Telling Kermit to "set flow rts/cts" is
not enough -- you have to tell your modem to do it too.
> Modem: Victory 14400E (14K4)
>
I never heard of this kind of modem, so I can't tell you how to operate
it. My best advice is:
1. Get MS-DOS Kermit 3.14 Beta. Anonymous ftp to kermit.columbia.edu,
directory kermit/test/bin, binary mode, file mstibm.zip, unzip
with "-d" switch. Install according to directions in the top-level
READ.ME file.
2. Look at one of our high-speed modem dialing scripts in the MODEMS
subdirectory; say, ZYXEL.SCR. Sit down with your Victory modem manual
and adapt the script to use Victory modem commands.
Assuming your modem works right, this will ensure that Kermit and the
modem have optimal settings for each other. If you wind up with a good
dialing script, you might want to post it for the benefit of other Victory
modem users.
Also, be sure to read the KERMIT.BWR file that comes on the diskette --
it contains troubleshooting instructions for just about every imagineable
problem.
- Frank