IBM GA27-3093-3 SDLC Concepts Jun86 free download

File name GA27-3093-3_SDLC_Concepts_Jun86.pdf

Synchronous Data Link '. Control Concepts - -- -- - - -- -- - -- --- - - --- ----- --_.-- - GA27-3093-3 Synchronous Data Link Control Concepts GA27 -3093-3 File No. GENL-30 (SNA) Fourth Edition (June 1986) This is a major revision of, and obsoletes, GA27-3093-2. New in this edition is information about modulo 128 operation, including a new command-SNRME (Set Normal Response Mode Extended). Changes related to modulo 128 operation are marked by a vertical line to the left of the change. This edition also includes other minor editorial changes and updates to terminology throughout; these changes are not marked by vertical lines. This edition omits the former Appendix C, "SDLC Commands and Responses: Acronym Update." The information it provided now appears in the present Appendix C (formerly Appendix D). From time to time, changes are made to the information in I BM systems publications. Before using this publication in connection with the operation of I BM systems, consult your I BM representative or I BM branch office to find out which editions are applicable and current. For information pertaining to a specific I BM machine or system, refer to the appropriate I BM publication for that machine or system. Publications are not stocked at the address given below: requests for IBM publications should be made to your IBM representative or to the IBM branch office serving your locality. This manual has been written by the I BM Communication Products Division, Information Development, Department E02, P.O. Box 12195, Research Triangle Park, North Carolina 27709. A reader's comment form is provided at the back of this publication. If the form has been removed, comments may be sent to the above address. IBM may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation whatever. You may, of course, continue to use the information you supply.