IEC IEC 63171-4 Edition 1.0 2022-09 INTERNATIONAL STANDARD colour inside Connectors forelectrical and electronic equipment Part 4: Detail specification for shielded or unshielded, free and fixed connectors with up to 8 ways for balanced single-pair data transmission with current carrying capacity - Mechanical mating information, pin assignment and additional requirements forType 4 IEC 63171-4:2022-09(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2022 IEC, Geneva, Switzerland either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC IEC Secretariat Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211Geneva20 www.iec.ch Switzerland About the IEC International Standards for all electrical, electronic and related technologies. About IEC publications The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the latestedition,acorrigendumoranamendmentmighthavebeenpublished IECpublicationssearch-webstore.iec.ch/advsearchform IEC Products & Services Portal - products.iec.ch Discover our powerful search engine and read freely all the varietyof criteria (reference number, text,technical publicationspreviews.Withasubscriptionyouwillalwayshave committee, ..). It also gives information on projects, replaced access to up to date content tailored to your needs. and withdrawn publications Electropedia - www.electropedia.org IEC Just Published - webstore.iec.ch/justpublished The world's leading online dictionary on electrotechnology, Stay up to date on all new IEC publications. Just Published containing more than 22 300 terminological entries in English detailsallnewpublicationsreleased.Availableonlineand once and French, with equivalent terms in 19 additional languages. a month by email. Also known as the International Electrotechnical Vocabulary IEC Customer Service Centre - webstore.iec.ch/csc (IEV) online If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: [email protected]. IEC IEC 63171-4 Edition 1.02022-08 INTERNATIONAL STANDARD colour inside Connectorsforelectrical and electronicequipment- Part 4: Detail specification for shielded or unshielded, free and fixed connectors with up to 8 ways for balanced single-pair data transmission with current carrying capacity - Mechanical mating information, pin assignment and additionalrequirementsforType4 INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 31.220.10 ISBN 978-2-8322-5608-4 Warning! Make sure that you obtained this publication from an authorized distributor. - 2 - IEC 63171-4:2022 @ IEC 2022 CONTENTS FOREWORD.. INTRODUCTION 1 Scope. .10 2 Normative references .10 3 Terms and definitions .. 4 Common features and typical connector pairs. 11 4.1 Mating information .. 11 4.1.1 General 4.1.2 Overview of connector styles ... 4.1.3 Fixed connectors 12 4.1.4 Free connectors.. 5 Characteristics 21 5.1 General. 21 5.2 Pin assignment ... 5.3 Classification into climatic category .22 5.4 Electrical characteristics .. .22 5.4.1 Creepage and clearance distances .22 5.4.2 Voltage proof... .23 5.4.3 Current-temperature derating.. .23 5.4.4 Initial contact resistance - interface only (separable fixed and free contact) 5.4.5 Input to output DC resistance ...23 5.4.6 Input to output DC resistance unbalanced .23 5.4.7 Initial insulation resistance .23 5.5 Transmission characteristics 23 5.5.1 General .23 5.5.2 Insertion loss.. 5.5.3 Return loss ..... 5.5.4 Propagation delay... 5.5.5 Transverse conversion loss .. ...24 5.5.6 Transverse conversion transfer loss . .24 5.5.7 Transfer impedance (shielded only). .24 5.5.8 Coupling attenuation.... .24 5.5.9 Power sum alien (exogenous) NEXT. .24 5.5.10 Power sum alien (exogenous) FEXT 5.6 Mechanical characteristics ..24 5.6.1 Mechanical operation.. .24 5.6.2 Effectiveness of connector coupling devices . 5.6.3 Insertion and withdrawal forces .24 6 Tests and test schedu