IEC IEC61935-1-2 Edition1.02018-12 INTERNATIONAL STANDARD NORME INTERNATIONALE colour nside Specification for the testing of balanced and coaxial information technology cabling Part 1-2: Installed balanced cabling as specified in ISO/lEc 11801 - Additional requirements for measurement of resistance unbalance with field test instrumentation Specification relative aux essais des cablages symetriques et coaxiaux des technologiesdeI'information- Partie 1-2:Cablages symetriques installéstelsquespecifiésdans I'lsO/lEc11801-Exigences supplementaires pourle mesurage deI'asymetrie IEC 61935-1-2:2018-12(en-fr) THIS PUBLICATIONIS COPYRIGHT PROTECTED Copyright@2018 IEC,Geneva,Switzerland or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either EC or IEC's member National Committee in the country of the requester. if you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information Droits de reproduction reserves. Sauf indication contraire, aucune partie de cette publication ne peut etre reproduite ni utilisée sous quelque forme que ce soit et par aucun procede, électronique ou mécanique, y compris la photocopie et les microfilms, sans I'accord écrit de I'IEC ou du Comite national de I'IEc du pays du demandeur. Si vous avez des questions sur le copyright de I'lEC ou si vous desirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comite national de I'lEC de votre pays de residence. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembe [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland AbouttheIEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies. AboutIECpublications IEc Catalogue -webstore.iec.ch/catalogue Electropedia -www.electropedia.org Thestand-aloneapplicationforconsulting theentire The world's leading online dictionary of electronic and electrical bibliographical information on IEC International Standards, terms containing 21 000 terms and definitions in English and Technical Specifications, Technical Reports and other French, with equivalent terms in 16 additional languages. Also documents. Available for PC, Mac OS, Android Tablets and known as the international Electrotechnical Vocabulary (IEV) iPad, online. IEcpublications search-webstore.iec.ch/advsearchform IEc Glossary -std.iec.ch/glossary The advanced search enables to find IEC publications by a 67 000 electrotechnical terminology entries in English and variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of IEC committee,...). It also gives information on projects, replaced publications issued since 2002. Some entries have been and withdrawn publications collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IEC Just Published - webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IEc CustomerService Centre-webstore.iec.ch/csc details all new publications released. Available online and also If you wish to give us your feedback on this publication or need once a month by email. further assistance, please contact the Customer Service Centre:[email protected]. A propos de I'IEc La Commission Electrotechnique Internationale (IEC) est la premiere organisation mondiale qui élabore et publie des Normes internationales pour tout ce qui a trait a I'electricite, a I'electronique et aux technologies apparentees. A propos des publications IEC Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possedez I'édition la plus recente, un corrigendum ou amendement peut avoir éte publie. Catalogue IEC -webstore.iec.ch/catalogue E