IEC IEC61753-121-2 Edition 2.0 2017-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Fibre optic interconnecting devices and passive components - Performance standard - Part 121-2: Simplex and duplex cords with single-mode fibre and cylindrical ferrule connectors for category C - Controlled environment Dispositifs d'interconnexion et composants passifs fibroniques - Norme de performance- Partie 121-2: Cordons simplex et duplex avec fibres unimodales, munis de connecteurs a ferule cylindrique pour categorie C - Environnement controle IEC 61753-121-2:2017-05(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright @ 2017IEC, 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, please 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 utilisee 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 Varembé Fax:+41229190300 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 oranamendment mighthavebeenpublished IEc Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org theentire Thestand-aloneapplicationforconsulting The world's leading online dictionary of electronic and bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in Technical Specifications, Technical Reports and other English and French, with equivalent terms in 16 additional documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical iPad. Vocabulary(IEV)online. IEC publications search - www.iec.ch/searchpub IEc Glossary - std.iec.ch/glossary The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and varietyofcriteria (reference number, text, technical French extracted from the Terms and Definitions clause of iEc publications issued since 2002. Some entries have been committee,...). It also gives information on projects, replaced 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 Customer Service Centre - webstore.iec.ch/csc If you wish to give us your feedback on this publication or detailsallnewpublicationsreleased.Availableonlineand 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 Apropos des publications IEc Le contenu technique des publications IEC est constamment revu.Veuillez vous assurer que vous possedez I'edition la plus recente, un corrigendum ou amendement peut avoir ete publie. Catalogue lEC -webstore.iec.ch/catalogue Electropedia-www.electropedia.org Application autonome pour consulter tous les