ISO/IEC INTERNATIONAL STANDARD 2593 Fourth edition 2000-12-15 Information technology - Telecommunications and information exchange between systems 34-pole DTE/DCE interface connector mateability dimensions and contact number assignments Technologies de l'information Télécommunications et échange d'information entre systemes -Dimensions de branchement du connecteur d'interface ETTD/ETCD a34 poles et affectation des numéros de contact Reference number ISO/EC 2593:2000(E) E( 0 @ ISO/EC 2000 IHS unde Not for Resale ISO/IEC2593:2000(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The Iso Central Secretariat accepts no liability in this area Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event ISO/IEC2000 All rights reserved. Unless otherwise specified, 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 either isO at the address below or isO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.ch Web www.iso.ch Printed in Switzerland Copyihtinteratinal Oorganization for Standardization ISO/IEC2000-All rightsreserved etworking permitted without license from IHS Not for Resale ISO/IEC 2593:2000(E) Foreword form the specialized system for worldwide standardization. National bodies that are members of ISO or IEC respective organization to deal with particular fields of technical activity. IsO and IEC technical committees collaborate in fields of mutual interest. Other international organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work. In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. Publication as an International Standard requires approval by at least 75 % of the national bodies casting a vote. Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent rights. International Standard ISO/IEC 2593 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee Sc 6,Telecommunications and information exchangebetween systems. This fourth edition cancels and replaces the third edition (ISO 2593:1993), of which it constitutes a minor revision Annex A forms a normative part of this International Standard. Not for Resale