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000222_news@newsmaster….columbia.edu _Fri Feb 13 09:50:14 1998.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: even parity in telnet?
Date: 13 Feb 1998 09:50:10 -0500
Organization: Columbia University
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References: <34E3B36A.DB443A52@fractal.eng.yale.edu>
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In article <34E3B36A.DB443A52@fractal.eng.yale.edu>,
Richard Chen <chen@fractal.eng.yale.edu> wrote:
: The script ckepage.scr for paging works
: great for modems directly attached to a machine. Now
: we have a situation where we have to telnet to a remote
: access device, login with passwd and then get the
: control of the modem (meaning AT commands work).
: The device uses a pool of us robotics modems.
:
: The problem is I don't know where to set the even parity. The set speed
: command does not work either because it is a telnet connection, not a
: serial port. TAP protocol requires 7E1, xon/xoff and low connection speed
: (2400 or lower). xon/xoff can be controlled by at&k4, speed by
: atS37=3. But I don't find any settings for parity control.
:
: My question is how can I set parity to even in such a telnet
: connection. I had tried stty parenb -parodd cs7 before launching
: kermit. This did not work.
:
: Maybe kermit is not the right tool in this kind of situation?
:
Let's consider the common situation of a modem connected to a terminal
server. How is Kermit supposed to set the speed or parity of a serial port
on a terminal server? These are configuration parameters of the terminal
server. There is no way to access them except from the command console of
the terminal server, which is normally accessible only to its owner or
manager, and is normally password protected.
If you need to send alpha pages, you won't be able to share the modem in
this way, because, as you point out, it must be set up in a special way for
dialing the paging service, but the sharing mechanism does not allow this.
So either the modem must be dedicated to and configured for paging on the
terminal server, or else it should be moved to a regular computer, where
Kermit can control its speed and parity, etc.
- Frank