The DigiCHANNEL Nu/8i would be appropriate for your application.

DESIGN SPECS:

The DigiCHANNEL Nu/8i is an intelligent eight port multichannel
communication board for the NuBus platform.  It is designed to
allow you to connect multiple terminals, printers, modems,
plotters, and other RS-232 asynchronous serial peripherals.



ENGINEERING SPECS:

*    Motorola 68000 12 MHz microprocessor

*    256K of dual-ported dynamic RAM

*    Up to 128K of ROM

*    Two or four 8530 serial communication connectors

*    DB-25 connectors only

*    Four boards per system for a maximum configuration of 32
     ports



OPERATING SYSTEMS SUPPORTED:
     
     AU/X
     MacOS



PART NUMBER AND RETAIL PRICE:

     DigiCHANNEL Nu/8i        70000407       $1295




DISTRIBUTORS:  For the name of a DigiBoard distributor near you,
               please call (800) 344-4273 or (612) 943-9020.