IEC TEC61753-031-2 Edition 1.02014-09 NTERNATIONAL STANDARD NORME INTERNATIONALE Fibre optic interconnecting devices and passive components - Performance standard- Part 031-2: Non-connectorized single-mode 1 × N and 2 × N non-wavelength-selective branching devices for Category C - Controlled environment Dispositifs d'interconnexion et composants passifs a fibres optiques - Norme de performance - Partie 031-2: Dispositifs de couplage independants de la longueur d'onde 1 × N et 2 × N en unimodal, non-connectorisés, pour categorie C - Environnement controlé IEC 61753-031-2:2014-09(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2014 IEC, Geneva, Switzerland 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 reserves. Sauf indication contraire, aucune partie de cette publication ne peut etre reproduite ni utilisee sous quelque forme que ce soit et par aucun procedé, électronique ou mecanique, y compris la photocopie et les microfilms, sans I'accord écrit de I'IEC ou du Comite national de I'lEC du pays du demandeur. Si vous avez des questions sur le copyright de I'lEC ou si vous désirez obtenir des droits supplementaires sur cette publication, utilisez les coordonnees ci-apres ou contactez le Comité national de I'lEC de votre pays de résidence. IEC Central Office Tel.: +41 22 919 02 11 Fax: +41 22 919 03 00 3, rue de Varembé CH-1211 Geneva 20 [email protected] Switzerland www.iec.ch 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 latest edition, a corrigenda or an amendment might have been published 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 more than 30 000 terms and Technical Technical Reports definitions in English and French, with equivalent terms in 15 Specifications, and other documents. Available for PC, Mac OS, Android Tablets and additional languages. Also known as the International iPad. Electrotechnical Vocabulary (IEV) online. IEc publications search - www.iec.ch/searchpub IEc Glossary - std.iec.ch/glossary More than 60 000 electrotechnical terminology entries in The advanced search enables to find IEC publications by a English and French extracted from the Terms and Definitions variety of criteria (reference number, text. technical committee,...). It also gives information on projects, replaced clause of IEC publications issued since 2002. Some entries and withdrawn publications. have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR. IE Just Published - webstore.iec.ch/justpublished Stay up to date on all new IEC publications. Just Published IEC Customer Service Centre - webstore.iec.ch/csc If you wish to give us your feedback on this publication or details all new publications released. Available online and also once a month by email. need further assistance, please contact the Customer Service Centre: [email protected]. A propos de I'IEc La Commission Electrotechnique Internationale (lEC) 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. Veullez vous assurer que vous possédez I'