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000065_news@newsmaster….columbia.edu _Wed Dec 30 15:19:13 1998.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.os.linux.networking,comp.protocols.kermit.misc
Subject: Re: problem testing out my modem with Kermit
Date: 30 Dec 1998 20:19:09 GMT
Organization: Columbia University
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In article <368917ec.0@news.total.net>,
Stephane et Sophie <frenault@total.net> wrote:
: I would like to try out my modem using Kermit (6.0)
: before configuring the ppp connection with my Redhat 5.1,
: as it is suggested in the howto.
: I have a modem connected to /dev/ttyS3, but Kermit says
: "/dev/ttyS3 is not a terminal device"...
:
That is because isatty("/dev/ttyS3") returns 0, meaning, "no, this
device is NOT a tty" (terminal device; i.e. a serial port).
: Can anybody tells me what goes wrong ?
:
It's probably a Winmodem. See below.
: Here is the session:
:
: #kermit
: Warning: terminal type unknown: "xterm"
:
This is because Kermit tries to initialize the curses library
(so it can put up a curses-based fullscreen file-transfer display
whenever you transfer files), but your curses library does not
recognize the name "xterm". Solution: make sure there is an xterm
entry in your termcap/terminfo database (I can't imagine why there
isn't one already).
: What about the default TEXT mode (and not BINARY as in the example
: of the howto) ?
:
That has to do only with transferring files, but since you are only
using Kermit to poke at your modem, this has no relevance. Thus you
can ignore this message as well as the one about unknown terminal type.
: My modem is a "Win cruise V. 90, internal 56K PCI Faxmodem with
: VoiceMail and Caller ID". I am not sure if it is a winmodem or not,
: since it is not written explecitely, but may it is ? How can I be sure ?
:
You definitely can't tell by looking at it. Most new PCs come with a
no-name Winmodem built in. These devices simply can not be used by
Linux or any other non-Windows operating system.
"/dev/ttyS3 is not a terminal device" is a good indication that this is
not a real serial device. The fact that your modem has "Win" in its name
is an ever stronger indication.
Anybody who reads this newsgroup with any regularity knows what comes next:
go buy yourself a real modem, and let's hope your PC has at least one real
COM port to connect it to! Meanwhile, lodge a vigorous complaint with
your PC vendor.
External modems are recommended for more reasons than can be counted --
they are well worth the extra few dollars.
- Frank
P.S. I suggest that future versions of Linux add the following to
<sys/errno.h>:
#define xxx EWINMODEM ; Process attempted to open or use a Winmodem
so that applications can give informative messages to users :-)
(I'm only 1/4 serious -- the software needed to figure out if a device
is a Winmodem is probably no more feasible than the software that would
be needed to use it.)