88818948519030105973 INTERNATIONAL STANDARDISO/IEC 8881 :1989 TECHNICALCORRIGENDUM1 tso Published 1991-05-15 INTERNATIONAL ELECTROTECHNICAL COMMISSION·MEKAYHAPOAHAH 3JEKTPOTEXHW4ECKAA KOMVCCWH,COMMISSION ELECTROTECHNIQUE INTERNATIONALE Information processing systems - Data communications - Use of the X.25 packet level protocol in local area networks TECHNICALCORRIGENDUM1 Systemes de traitement de Il'information - Communication de donnees - Emploi du protocole X.25 au niveau paquet dans des reseaux locaux RECTIFICATIFTECHNIQUE1 Technical corrigendum 1 to International Standard ISo/IEC 8881:1989 was prepared by ISO/IEC JTC 1, Information technology. Page 1 Subclause3.3 Add the following: "e)DSAP f)SSAP" Clause 4 Insert in alphabetical order the following : "DSAPDestinationServiceAccessPoint SSAP Source Service Access Point" Page 2 Clause 5 Add a second paragraph as follows: "The use of the X.25 PLP on a LAN shall be identified by setting the value of both the DSAP and SSAP addresses to "x111 1110"," UDC681.3: 621.39 Ref.No.ISO/IEC8881:1989/Cor.1:1991(E) Descriptors:dataprocessing,datatransmission,networkinterconnection,open systemsinterconnection,localareanetworks,dataterminal equipment,communicationprocedure,controlprocedures. ?ISO/IEC.1991 No reproduction or networking permitted without license from IHS Not for Resale Q-60-7 1 8881-89 9 h296200 E06T59h INTERNATIONAL ISO/IEC STANDARD 8881 First edition 1989-12-01 Information processing systems -- Data communications - Use of the X.25 packet level protocol in local area networks Systemes de traitement de I'information - Communication de donnees - Emploi du protocole X.25 au niveau paquet dans des reseaux locaux Reference number ISO/1EC 8881 : 1989 (E) tion for Standardization oroduction or networking permitted without license from IHS Not for Resal 8881-89 14851903 0079625 8 ISO/IEC 8881:1989(E) Contents Page Foreword iii Introduction iv Section 1 : General 1 Scope. 2 Normative references. 3Definitions. 4 Abbreviations. 5 Underlying layer considerations... 2 6 Packet Level considerations.. 2 Section 2 : Operation with LLC Type 2 procedures 7 System parameters. 3 8 Startup operation.. 3 Section 3 : Operation with Lcc Type 1 procedures 9Applicability of LLC Type 1 procedures.. 4 10 System parameters. 4 11 Startup operation. 4 12 Using the broadcast capability. 5 Section 4 : Conformance requirements 13Conformance 6 ? ISO/IEC1989 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. ISO/IEC Copyright Office · Case postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland ii Copyright International Organization for Standardization from IHS Not for Resale