I think it's the problem with handshaking or the terminal string "\n
or \r" is in-correct.
Let me also know, if you get the error diagnosed.
Sandeep Shekhar Prasad
On 9/13/05, Bob Chiodini <rchiodin@xxxxxxxxxxxxx> wrote:
> On Mon, 2005-09-12 at 08:26 -0700, Brian D. McGrew wrote:
> > Good morning, here's an interesting question for anyone how does packet
> > radio on Fedora or anyone who just has a good understanding of serial
> > communications (I used to think I did).
> >
> > I've got this Kamtronics KPC-3 TNC (terminal node controller) which is
> > essentially a 9600 baud modem that connects a ham radio to a computer.
> >
> > Using FC4 I can use either minicom or seyon to talk to the serial port
> > and it works, once. I set the port to be /dev/tty0 9600-8N1 and the
> > first time I start up I'm good.
> >
> > The problem is that once I quit I can't get restarted. It requires a
> > recycle of the TNC and a reboot of the computer.
> >
> > Anyone have any ideas?
> >
> > TIA,
> >
> > -brian
> > K6ICY
> >
> > Brian D. McGrew { brian@xxxxxxxxxxxxx || brian@xxxxxxxxxxxxxxxxxxx }
> > ---
> > > Those of you who think you know it all,
> > really annoy those of us who do!
> >
>
> Brian,
>
> Could it be incompatible modem init or hangup strings?
>
> Is the computer reboot really required, cycling the TNC alone does not
> solve the problem. If so, verify that you have the handshaking correct.
>
> Also check dmesg once the serial port hangs up. Maybe something is
> logging a message.
>
> Bob...
>
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