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File No. 1447-03
:Form A24-3031-3
Systems Reference Library
IBM 1447 Console
This reference publication contains a detailed
description of all models of the IBM 1447 Console.
Indicator lights, keys, dials and switches are described,
as well as operation of the console I/O printer.
Specific models of the IBM 1447 Console can be
attached to the following systems:
IBM 1240 Bank Data Processing System
IBM 1401 Data Processing System
IBM 1440 Data Processing System
[BM 1460 Data Processing System
The required and available special features, including
the IBM 1050 components, are also discussed.
Programming considerations for the 14:47, when used
with a 1050 system, are also included.
Major Revision, December 1964
This SRL publication, A24-3031-3, is a major revision of, and
obsoletes, A24-3031-2.
Copies of this and other IBM publications can be obtained through IBM Branch Offices
Address comments concerning the content of this publication to IBM Product Publications, Endicott, New York 13764
Contents
IBM 14.:1~7 Console, Modell ..................... "...................................... 5
Indicator Light Panel............ ........... ................. ................. ......................... 5
Operating Panel .....................................................".................................... 9
IBM 1447 Console, Model 2 ............................................................ 15
Console I/O Printer ...................................................................................... 15
Console Printer Operation .......................................................................... 18
IBM 1447 Console, Model 3 ............................................................ 22
IBM 14.:1~7 Console, Model 4 ............................................................ 23
IBM 1026 Transmission Control Unit ............................................ 24
Special Features ............................................................................ 25
Sense Switches (Models 1, 2, 4) ............................................................... 25
Pin-Feed Platen (Models 2, 3, 4) .........................".......... .......................... 25
1051 Modell Attachment ........................................................................... 25
Buffer Feature .............. .................................................................... ........ .... 27
Remote-Terminal Attachment Feature (Unbuffered) .............................. 30
Remote-Terminal Attachment Feature (Buffered) .................................. 32
Programming Considerations ............................................................ 37
Programming Routine ............................................ "..................................... 37
Programmed Write to a Terminal ........................ "..................................... 37
Polling and Receiving Operation ........................ "..................................... 38
General Information, Remote-Terminal
Attachment Feature ......................................................................... 40
1447 Printer Keyboard Polling ..................................................................... 40
Longitudinal Redundancy Check (LRC) .................................................... 41
Programming, Remote-Terminal Attachment Feature ........ ...................... 41
Remote-Terminal Operations ................................ "..................................... 41
Addressing Operation .............................................".................................... 42
Error Conditions and Condition Indicators ............ ............ ...................... 42
Remote 1050 Functions .............................................................................. 43
Line-Control Characters ........................................ "..................................... 43
Sample Program Loop for Troubleshooting............................... 44
Index ........................................................................................................... 45
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