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File No. S360-09
GA27 -2703-1
Systems Reference Library
IBM 2703 Transmission Control
Component Description
This pUblication provides a detailed description of the capabilities,
features, and communication facilities required for the IBM 2703
Transmission Control Unit. The capabilities of the unit are grouped
by: start-stop capabilities; and binary-synchronous capabilities.
All items of a general nature are discussed in the section, "Detailed
Description of Operations. "
The operator's controls and a detailed description of the communi-
cation facilities to which the 2703 can be attached are contained in
the Appendix. For a complete listing of all SRL publications available
in the IBM System/360 library, including abstracts, consult the IBM
System/360 Bibliography, Form A22-6822.
PREFACE
This manual is written as a reference text and is
intended to cover all the major facets of the IBM
2703 from a hardware viewpoint. Further informa-
tion pertaining specifically to the IBM System/360
is contained in the IBM System/360 Principles of
Operation manual, Form A22-6821. Numerous pro-
gramming publications describing the various tele-
communications programs are also available. All
these publications are listed in the IBM System/360
Bibliography, Form A22-6822.
Major Revision, May 1967
This edition is a maj or revision to, and obsoletes, A27 -2703-0.
It incorporates Technical Newsletters N27-3010 and N27-3012.
A complete review of this edition is recommended, since all maj or
sections of this manual have been revised.
The 2703 Configuration previously included in this manual has
been removed and incorporated in the IBM System/360 Data Com-
munications and Acquisition Configurator manual, Form A22-6824.
The users of this manual are cautioned that contents are subject
to change at any time and without prior notice by IBM. Signifi-
cant changes or additions to the contents of this publication will
be reported in subsequent revisions or Technical Newsletters.
This manual has been prepared by the IBM Systems Development Division, Product Publications,
Dept. 860, P. O. Box 12275, Research Triangle Park, North Carolina 27709. Address comments
concerning the manual to this address.
ii
CONTENTS
INTRODUCTION