IEC TEC61753-052-3 Edition 2.0 2016-07 NTERNATIONAL STANDARD NORME NTERNATONALE Fibre optic interconnecting devices and passive components - Performance standard - Part 052-3: Single-mode fibre non-connectorized fixed attenuator - Category U in uncontrolled environment Dispositifs d'interconnexion et composants passifs fibroniques - Norme de performance Partie 052-3: Affaiblisseur fixe non connectorise a fibres unimodales - Categorie U dans un environnement non controlé IEC 61753-052-3:2016-07(en-fr THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2016 IEC, Geneva, Switzerland 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 IEC 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, piease contact the address below or your local IEC member National Committee for further information. Droits de reproduction reservés. Sauf indication contraire, aucune partie de cette publication ne peut etre reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et les microfilms, sans I'accord écrit de I'lEC 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 coordonnées ci-apres ou contactez le Comité national de I'lEC de votre pays de résidence. IEC Central Office Tel.: +41 22 919 02 11 3, rue de Varembé [email protected] CH-1211 Geneva 20 www.iec.ch Switzerland About the IEC The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes 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 IEc Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org The stand-alone application for consulting the entire The world's leading online dictionary of electronic and bibliographical information on IEC International Standards, electrical terms containing 21 000 terms and definitions ir Technical Specifications, Technical Reports English and French, with equivalent terms in 16 additional and other documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical iPad. Vocabulary (IEV) online IEC publications search - webstore.iec.ch/advsearchform IEC Glossary - std.iec.ch/glossary The advanced search enables to find IEC publications by a varietyof criteria (reference number, text, technical French extracted from the Terms and Definitions clause of committee...). It also gives information on projects, replaced IEC 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 IEc Customer Service Centre - webstore.iec.ch/csc details all new publications released. Available online and If you wish to give us your feedback on this publication or also once a month by email. need further assistance, please contact the Customer Service Centre: [email protected]. A propos de I'lEC La Commission Electrotechnigque Internationale (lEC) est la premiere organisation mondiale qui élabore et publie des A propos des publications IEC Le contenu technique des publications IEC est constamment revu. Veuillez vous assurer que vous possédez I'édition la plus récente, un corrigendum ou amendement peut avoir été publié. Catalogue IEC - webstore.iec.ch/catalogue Electropedia - www.electropedia.org Application autonome pour consu