[cups.general] remote serial printers with modems

[David Koski]

On Wednesday 19 April 2006 14:59, Michael Sweet wrote:
> David Koski wrote:
> > I am looking for suggestions on how to print to remote serial printers that 
> > are connected only to a modem. On the CUPS server side there will be a modem 
> > that needs to direct the various queues to specific printers by dialing the 
> > modem using a specific phone number according to which queue it is printing 
> > from. Therefore, only one print job will print at a time. Would creating 
> > a /usr/lib/cups/backend/custom-serial or similar be the best approach? If so, 
> > where would I find documentation to do that?
> 
> Yes, a custom backend would be perfect for this.  "man backend" and
> the various programming documentation (on-line help, old CUPS SPM,
> the CUPS Book, etc.) are the best sources of information on this
> sort of thing, plus you can look at the CUPS sources for ways to
> control access to the ports.
> 
> Finally, I actually wrote a small book on serial programming,
> available at:
> 
>      http://www.easysw.com/~mike/serial/

Wow! Thanks!

David