Re: [hylafax-users] Remote modem

["Adam Fox" <adam.fox@xxxxxxxxxxxxxxx>]

Nico,

This problem is normal when using a modem connected to a terminal server.
Because the modem isn't connected directly to a com port, you can't use all
the I/O commands that you would normally be able to use. I'm not exactly
sure what faxaddmodem is trying to do in this situation that makes it fail,
but it is probably lowering the DTR signal and expecting a response or
something like that. The pseudo tty device only provides for sending and
receiving characters - not manipulating the other normal com port
parameters.

The way around it is to connect the modem directly to a com port on the
server and run faxaddmodem so that the modem is detected correctly. Once the
config file for that modem is written, move it to the correct filename (eg:
mv config.ttyS0 config.ttya0), add a faxgetty entry for ttya0, and you
should be right.

Adam Fox

----- Original Message -----
From: "Nico" <tricera@xxxxxxxxx>
To: <hylafax-users@xxxxxxxxxxx>
Sent: Friday, September 26, 2003 5:42 PM
Subject: Re: [hylafax-users] Remote modem


> I try with http://www.linuxlots.com/~termpkg/
> As suggested by Joe (the program's athor) I've used the following
> termnetd.conf on the machine connected to the modem:
> 3000:on:/dev/ttyS0:B38400 CREAD CLOCAL IGNBRK CRTSCTS CS8;
> 3001:on:/dev/ttyS1:B38400 CREAD CLOCAL IGNBRK CRTSCTS CS8;
>
> (note the CREAD option I've added after Joe suggestion).
>
> Then, on the hylafax machine, I've launched ttyd as follows:
> ./ttyd -d /dev/ptya0 192.168.1.17 3000
>
> (192.168.1.17 is the machine with the modem connected phisically)
>
> After all I try to add that modem to the hylafax modems:
> #  faxaddmodem ttya0
>
> but, the response was:
> Probing for best speed to talk to modem: 38400
> Unable to deduce DTE-DCE speed; check that you are using the
> correct device and/or that your modem is setup properly.  If
> all else fails, try the -s option to lock the speed.
>
> So I try with:
> #  faxaddmodem ttya0 -s 38400
>
> but the response was:
> Using user-specified 38400 to talk to modem.
> /dev/ttya0: Input/output error
> /dev/ttya0: Input/output error
> /usr/sbin/faxaddmodem: line 818: /dev/ttya0: Input/output error
> /usr/sbin/faxaddmodem: line 819: /dev/ttya0: Input/output error
> /usr/sbin/faxaddmodem: line 821: /dev/ttya0: Input/output error
> /usr/sbin/faxaddmodem: line 823: kill: (7712) - No such process
> /usr/sbin/faxaddmodem: line 1: /tmp/.faxaddmodem7664/addmodem7664: No such
> file or directory
> /usr/sbin/faxaddmodem: line 1: /tmp/.faxaddmodem7664/addmodem7664: No such
> file or directory
>
> There was no response from the modem.  Perhaps the modem is
> turned off or the cable between the modem and host is not
> connected.
>
> Any ideas?
> Thank you,
> Nico
>
>
>
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