IEC_PAS_60603-7-3-2004.pdf

PUBLICLY AVAILABLE SPECIFICATION IEC PAS 60603-7-3Pre-Standard First edition2004-11 Connectors for electronic equipment Part 7-3:Detail specification for 8-way,shielded,free and fixed connectors,for data transmissions with frequencies up to 100 MHz Reference number IEC/PAS 60603-7-3:2004(E)LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.Publication numbering As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series.For example,IEC 34-1 is now referred to as IEC 60034-1.Consolidated editions The IEC is now publishing consolidated versions of its publications.For example,edition numbers 1.0,1.1 and 1.2 refer,respectively,to the base publication,the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.Further information on IEC publications The technical content of IEC publications is kept under constant review by the IEC,thus ensuring that the content reflects current technology.Information relating to this publication,including its validity,is available in the IEC Catalogue of publications(see below)in addition to new editions,amendments and corrigenda.Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication,as well as the list of publications issued,is also available from the following:IEC Web Site(www.iec.ch)Catalogue of IEC publications The on-line catalogue on the IEC web site(www.iec.ch/searchpub)enables you to search by a variety of criteria including text searches,technical committees and date of publication.On-line information is also available on recently issued publications,withdrawn and replaced publications,as well as corrigenda.IEC Just Published This summary of recently issued publications(www.iec.ch/online_news/justpub)is also available by email.Please contact the Customer Service Centre(see below)for further information.Customer Service Centre If you have any questions regarding this publication or need further assistance,please contact the Customer Service Centre:Email:custserviec.ch Tel:+41 22 919 02 11 Fax:+41 22 919 03 00 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.PUBLICLY AVAILABLE SPECIFICATIONIEC PAS 60603-7-3Pre-Standard First edition2004-11 Connectors for electronic equipment Part 7-3:Detail specification for 8-way,shielded,free and fixed connectors,for data transmissions with frequencies up to 100 MHz PRICE CODE IEC 2004 Copyright-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.International Electrotechnical Commission,3,rue de Varemb,PO Box 131,CH-1211 Geneva 20,SwitzerlandTelephone:+41 22 919 02 11 Telefax:+41 22 919 03 00 E-mail:inmailiec.ch Web:www.iec.ch XC For price,see current catalogue Commission Electrotechnique InternationaleInternational Electrotechnical Commission LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.2 PAS 60603-7-3 IEC:2004(E)CONTENTS Page FOREWORD.6 Clause 1 General.7 1.1 Scope.7 1.2 Normative references.7 2 Technical information.9 2.1 Terminology.9 2.2 Interchangeability levels.9 2.2.1 General.9 2.2.2 Intermateability.9 2.2.3 Backward Compatibility.9 2.2.4 Interoperability.9 2.3 IEC type designation.10 3 Common features and isometric view.11 3.1 Isometric view.11 3.2 Mating information for connectors with cables attached.11 3.2.1 General.11 3.2.2 Contacts.12 3.2.3 Fixed connector.14 3.2.4 Free connector(contacts not shown).17 4 Cable terminations and internal connections Fixed and free connectors.19 4.1 General.19 4.2 Termination Types.19 4.2.1 Solder terminations.19 4.2.2 Insulation displacement terminations.19 4.2.3 Crimp terminations.19 4.2.4 Insulation piercing terminations.19 4.2.5 Press-in connections(compliant pin(UC).19 4.2.6 Spring-clamp terminations.19 4.2.7 Other types.19 5 Gauges.20 5.1 Fixed connectors.20 5.2 Free connectors.22 6 Characteristics.25 6.1 General.25 6.2 Pin and pair grouping assignment.25 6.3 Classification into climatic category.25 6.4 Electrical.26 6.4.1 Creepage and clearance distances.26 6.4.2 Voltage proof.26 6.4.3 Current-carrying capacity.26 6.4.4 Mating cycles with power applied.27 6.4.5 Initial contact resistance between separable fixed and free connectors.27 LICENSED TO MECON Limited.-RANCHI/BANGALOREFOR INTERNAL USE AT THIS LOCATION ONLY,SUPPLIED BY BOOK SUPPLY BUREAU.PAS 60603-7-3 IEC:2004(E)3 6.4.6 Input to output d.c.resistance.27 6.4.7 Input to output d.c.resistance unbalance.28 6.4.8 Insulation resistance.28 6.4.9 Transfer impedance.28 6.5 Transmission characteristics.28 6.5.1 General.28 6.5.2 Insertion loss.28 6.5.3 Return loss.29 6.5.4 Propagation delay.29 6.5.5 Delay skew.29 6.5.6 N