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File No. TP-09
Order No. GA24-341S-3
Systems Reference Library
IBM 2741 Communication Terminal
This publication describes the application areas, principles of
operation, line-control signals, and special features of the IBM
2741 Communication Terminal. The communications facilities
and data sets that can be used with this teleprocessing terminal
are discussed. Also included are a glossary of communications
terms used in this publication, timing considerations, code
charts,and keyboard arrangements.
Fourth Edition (August 1972)
This is a reprint of the Third Edition, incorporating changes released in Technical
Newsletter GN27-3053 (dated February 3, 1970).
Changes are periodically made to the information herein; before using this publication
in connection with the operation of ffiM systems or equipment, refer to the latest
Technical Newsletter that is applicable and current.
Requests.for copies of ffiM publications should be made to your ffiM representative
or to the ffiM branch office serving your locality.
This manual has been prepared by the ffiM Systems Development Division, Publications
Center, Department E01, P. O. Box 12275, Research Triangle Park, North Carolina
27709. A form for readers' comments is provided at the back of this publication.
If the form has been removed, comments may be sent to the above address. Comments
become the property of ffiM.
CONTENTS
IBM 2741 COMMUNICATIONS TERMINAL 5 SPECIAL FEA TURES 13
Communications