Tandy Radio Shack TRS-80 User Manual

Multiterminal Interface Owner's Manual
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Multiterminal Interface 26-6013
Congratulations for selecting this Radio Shack product.
Included in the following pages are instructions for
installing and interconnecting the Multiterminal Interface
PCB in your Model 16B or upgraded Model 12 Radio Shack
Computer. This option allows you to interconnect as many as
three additional terminaIs to your computer sa that a common
hard disk may be used by aIl terminaIs. Refer to the
TRS-XENIX Operator's Manua1 for operating instructions for
the system.
Software Requirements
The on1y current operating system offered by Radio Shack
which supports this board is TRS-XENIX, Version 01.03.00.
You must upgrade your system to version 01.03.00.
If you already have the TR8-XENIX Operating System, it is
necessary to modify it using a software update diskette
<Catalog No. 700-2066) which modifies a 01.01.00 or 01.02.00
system to an 01.03.00 System.
If you do not have the TRS-XENIX Operating System, it will
be necessary to order the TRS-XENIX Version 01.03.00 Core
System <Catalog No. 700-2052).
Installation
The fo1lowing instructions are given ta a1low proper
installation of the Multiterminal Interrace Board, check out
its function to ensure proper operation, and perform
modifications required to the Main Terminal to allow
communication between it and the remote terminal<s).
The Multiterminal Interface Board is installed in an
upgraded Model 12 or 16B in the card cage assemb1y. It is
accessible when the rear cover is removed from the Case
Assembly.
XENIX - C Microsoft Corporation
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Tandy Radio Shack TRS-80 Specifications

Operating Environment

temperature range	32 to 104° F (0 to 40° C)
storage range	-40 to 149° F (-40 to 65 ° C)
ambient humidity	10 to 80% Relative (non-condensing)

Other Specifications

maximum movement	4.5" (110mm) horizontal and vertical
cable length	5ft (1.5m)

Weight and Dimensions

length	3.5" (90mm)
width	2.5" (62mm)
height	1.3" (34mm)
weight	6.8oz (210 grs)