More than 32 serial ports on one board

[Marc Unangst]

In article <28561A25.44D1 at telly.on.ca> evan at telly.on.ca (Evan Leibovitch) writes:
>I have an application where I need to install 48, possibly more, serial
>ports on an ESIX R4 machine. 
>...full modem control with hardware handshake, and I need to use RJ-45
>connectors in order to reducde wiring headaches.

The DigiBoard supports daisy-chaining up to 16 concentrators off each
of the two RS-422 ports on the back of the card.  Each concentrator
has 16 RJ-45 ports on it, which means you can have a maximum of 512
ports.  Drivers are available for SCO Unix, SCO Xenix, and generic
Unix System Vr3.2.  Dunno if SysVr4.0 drivers are available; talk to
DigiComm about it.  (Sorry, don't have contact info; the manuals are
at work.)

--
Marc Unangst               |
mju at mudos.ann-arbor.mi.us  | "Bus error: passengers dumped"
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