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Radio Shack TRS-80 Model III Operation Manual

Radio Shack TRS-80 Model III
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MODEL II OPERATION
Serial Interface Signals and Levels
Two channels are available, via the DB-25 connectors on the back
of
the
Display Console. The signals and levels conform to the RS-232-C standard.
Channel
A
is
designed to allow asynchronous
or
synchronous transmission.
Channel
B is designed for asynchronous transmission only.
The
DB-25 connector pin-outs and signals available are listed below.
CHANNEL A
STANDARD
R5-232-C SIGNAL
(PIN
#)
CHANNELB
STANDARD
R5-232-e SIGNAL
PIN#
28
1 2 3 4 5 6 7 8 9 10
11
12
13
• • • • • • • • • • • • •

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Radio Shack TRS-80 Model III Specifications

General IconGeneral
BrandRadio Shack
ModelTRS-80 Model III
CategoryDesktop
LanguageEnglish

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