laptop/modem/kermit

laptop/modem/kermit

Post by Srinath Alapat » Thu, 08 Jan 1998 04:00:00



Hi,

I am trying to see if my modem works under Linux. I have no idea what
kind of modem is inside. Its a Toshiba 445CDT. So I downloaded ckermit
from www.columbia.edu/kermit to verify if I can actually initialize the
modem.

I start by:
kermit -Y (-Y for no initialization files)
kermit> set line /dev/ttyS0
kermit> set speed 115800(?)
kermit> connect

After I type connect, I get the message saying "/dev/ttyS0 115800bps
blah blah.
I then proceed to type. I can't even see any characters I type. I then
Ctr-\ -C out of it.

Any pointers?

I read the Serial-HOWTO, and visited the laptop-linux page with no luck.

Thanks
-Srinath

 
 
 

laptop/modem/kermit

Post by David Fo » Fri, 09 Jan 1998 04:00:00



>Hi,

>I am trying to see if my modem works under Linux. I have no idea what
>kind of modem is inside. Its a Toshiba 445CDT. So I downloaded ckermit
>from www.columbia.edu/kermit to verify if I can actually initialize the
>modem.

Hi

I tried this (not on a laptop tho) and got this:-
-----------------------------------------------------------
[/home/dford] C-Kermit>sho comm

Communications Parameters:
 Line: /dev/cua1, speed: 38400, mode: local, modem: usrobotics
 Terminal bits: 7, parity: none, duplex: full, flow: rts/cts,
 handshake: none
 Carrier: auto, lockfile: /var/lock/LCK..cua1
 Escape character: 28 (^\)

 Carrier Detect      (CD):  Off
 Dataset Ready       (DSR): On
 Clear To Send       (CTS): On
 Ring Indicator      (RI):  Off
 Data Terminal Ready (DTR): On
 Request To Send     (RTS): On

Type SHOW DIAL to see DIAL-related items

----------------------------------------------------------------------
Note the /dev/cua1 !! maybe this is what you need. Or cua0 but isn't the
mouse on COM1 (cua0) Also note "duplex full" this tells the modem to echo
the characters you type to the back to the screen. Sounds like you picked
the wrong port.

                        Hope this helps

                             Dave

P.S. You can set lots of things in Kermit -- Try "help set" and "set ?".

--
D. J. Ford

Hatfield, Herts                          Phone:   +44 (0)1 707 886 095
AL10 0PF, U.K.                           Fax:     +44 (0)1 707 261 836

 
 
 

laptop/modem/kermit

Post by Dr. Yuan Li » Thu, 22 Jan 1998 04:00:00



> kermit -Y (-Y for no initialization files)
> kermit> set line /dev/ttyS0
> kermit> set speed 115800(?)
> kermit> connect

> After I type connect, I get the message saying "/dev/ttyS0 115800bps
> blah blah.
> I then proceed to type. I can't even see any characters I type. I then
> Ctr-\ -C out of it.

It's possible that your modem uses half duplex by default, so anything
you type doesn't show up in your local screen.  If the modem understands
AT command set (most likely it does), try type
 AT<return>
or
 AT&F<return>
and see if the modem echoes "OK" back.  Or use the kermit's "set"
command to set local echo.  Most modems use an AT command to change
to full duplex, but I don't remember the command. (In many cases, &F
is sufficient to bring back full duplex.)

Quote:> -Srinath

--

|         Dr. Yuan LIU           -         General Manager        |
|        1(514)281-0494          -     Chitech Technologies Inc.  |
+----------------- we Do.  we Teach.  we Manage. -----------------+
 
 
 

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