Service Manuals, User Guides, Schematic Diagrams or docs for : IBM 25xx Y31-0069_2501_Card_Reader_FETOM_Feb67

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Y31-0069_2501_Card_Reader_FETOM_Feb67


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                                                        Field Engineering

                                                        Theory of Operation




                          Restricted Distribution

    Th is manual is intended for internal use only and may not be used
    by other than IBM personnel without IBM's written permission.

    Specifications contained herein are subject to change without
    notice. Revisions and/or supplements to this publication will
    be issued periodically.




~ ~ @ Card Reader Model
     ~                                        A
PREFACE




This manual explains the operation of the IBM 2501
Card Reader Model A. Maintenance information is
in the IBM 2501 Field Engineering Maintenance
Manual, Form Y31-0069. Attachment circuits are
explained in the Attachment Manual, Form Z26-5974.




RESTRICTED DISTRIBUTION: This publication is intended for use by IBM personnel
only and may not be made available to others without the approval of local IBM
management.

Third Edition

This is a major revision of, and obsoletes, Y31-0068-1. The manual has been revised
to incorporate changes to the 2501 logics and also to include information on the fiber
optic read station.

Significant changes or additions to the specifications contained in this publication will
be reported in subsequent revisions or FE Supplements.

This manual has been prepared by the IBM Systems Development Division, Product
Publications, Department 245, Rochester, Minnesota 55901. A form has been provided
at the back of this publication for reader's comments. If the form has been removed,
send comments to the address above.



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