[GreenKeys] NBS TN-419 Accessory Equipment and Teletypewriter Modifications for Remote Computer Consoles

[Paul Birkel]

I noticed the cover page of this in a current eBay listing.  Kinda
interesting.

 

http://nvlpubs.nist.gov/nistpubs/Legacy/TN/nbstechnicalnote419.pdf

 

February 1968

 

"Equipment auxiliary to, and simple modifications of a teletypewriter are
described

which enable it to be used more efficiently as a remote console of a
computer. The

descriptions and drawings are sufficiently detailed to enable one to
duplicate the

modifications or construct the auxiliary equipment with little or no design
effort.

 

Among the items treated are: pushbutton word generators, providing automatic

typing of often used programming instructions; and option switches for full
or half-

duplex operation, for inserting the sixth bit for lower case letters, and
the eighth bit

for parity compatibility."

 

CONTENTS

1. Introduction

2. Description of Modifications

2.1 Column Index

2.2 Tape Editing Switches

2.3 Transmit Mode Switch

2.4 Code Modifying Switches

3. Description of Accessory Equipment

3.1 Word Generator

3.2 Consecutive Number Generator

3.3 Single Character Generator

3.4 Remote Tape Reader

 

"By way of illustration, the auxiliary equipment was connected to and the

modifications were made on a Model 33 ASR Teletype (Teletype Corp. 5555
Touhy Ave.,

Skokie, 111. 60078), which is one type of teletypewriter. In the drawings
when a

numbered lead or connector is referred to, the number corresponds to a
component in the

Model 33 Teletype. While this equipment was connected to a Teletype, it will
be

understood that only small changes would be necessary to use this equipment
with other

teletypewriters or data recorders. Inclusion in this report of specific
parts or

equipment in no way represents approval or disapproval of any manufacturer
or product by

the National Bureau of Standards."

 

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