On Sat, Apr 23, 2011 at 3:24 AM, Zane H. Healy <healyzh at aracnet.com> wrote:
  Now that we have more details I'd say that the
best solution is either this,
 or else a dedicated low-end x86 PC running OpenBSD. ?In either case the
 'fun' part could very well be wiring the two together. ?Honestly I'd
 recommend a PC with OpenBSD over a Serial Port ethernet server. 
Yeah, and running conserver: 
http://www.conserver.com/ or something like it.
Depending on how many serial ports you have, you can have a real
multi-user setup with this.
HTH
--
Regards,
Torfinn Ingolfsen