All good suggestions. Maybe what you need is to write a PRIV program to
do a sendio to ldev 20 no matter where the console is or who is logged
on.

John Zoltak
North American Mfg Co

> -----Original Message-----
> From: Sam Knight [SMTP:[log in to unmask]]
> Sent: Wednesday, May 13, 1998 12:52 PM
> To:   [log in to unmask]
> Subject:      Re: [HP3000-L] HP3000 968 Parallel Port
>
> On Wednesday, May 13, 1998 12:29, WirtAtmar wrote:
> > John Zoltak writes:
> >
> > > Monitoring for a voltage change on data-out would not work if
> someone
> > >  moves the console.
> >
> > The console messages aren't a necessary condition of the Keep Alive
> circuit,
> > merely icing on the cake. A small job sending a message to Port 20's
> session
> > every 90 seconds would be all that's necessary, regardless of
> whether or not
> > it was the console at the moment.
> >
> > I would suggest the message be "Esc A CR LF". This message would
> cause the
> > cursor on the terminal to simply recycle in place.
> >
> > What would kill the circuit would be if someone should sign on to
> another
> > session on the Port 20/console terminal. The Keep Alive job would
> have to be
> > restarted with the new session number entered. Alternatively, with
> 10 minutes
> > more programming, the program could be made to seek out and find the
> session
> > number of the Port 20 device automatically. The only killer would
> then be that
> > someone would simply sign the terminal off by doing a ":BYE". But I
> would
> > suspect you'd find that out in about two minutes :-).
> >
> > Wirt Atmar
> >
> >
>
> The job sending the messages could check to see if a session for port
> 20 existed and if not
> do a STARTSESS.
> --
> Sam Knight                                     Email: [log in to unmask]
> Senior Programmer/Analyst                      Phone: (904) 745-7509
> Jacksonville University                          Fax: (904) 745-7149
> Jacksonville, FL 32211