IEC IEC61755-1 Edition 2.0 2022-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Fibre optic interconnecting devices and passive components - Connector optical interfaces for single-mode fibres - Part 1: Optical interfaces for dispersion unshifted fibres - General and guidance Dispositifs d'interconnexion et composants passifs fibroniques - Interfaces optiques avec connecteurs pour fibres unimodales - Partie 1: Interfaces optiques pour fibres a dispersion non decalée - Généralites et recommandations IEC 61755-1:2022-09(en-fr IEC IEC61755-1 Edition 2.0 2022-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Fibre optic interconnecting devices and passive components - Connector optical interfaces for single-mode fibres Part 1: Optical interfaces for dispersion unshifted fibres - General and guidance Dispositifs d'interconnexion et composants passifs fibroniques - Interfaces optiques avec connecteurs pour fibres unimodales - Partie 1: Interfaces optiques pour fibres a dispersion non decalée - Géneralites et recommandations INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 33.180.20 ISBN 978-2-8322-5697-8 Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agree. ? Registered trademark of the International Electrotechnical Commission Marque déposée de la Commission Electrotechnique Internationale IEC 61755-1:2022 @ IEC 2022 - 2 CONTENTS FOREWORD 0 Introduction 0.1 Overview. 0.2 Hierarchical relationship Scope.. Normative references 2 3 Terms and definitions 4 Structure of the IEC 61755 series 5 Optical datum target, 6 .10 Test methods. 7 Optical interface grades 8 Key parameters Materials 9 12 Bibliography. Figure 1 - Relationship between optical interface standards and interface standards... Table1-Multi-partstructureoftheIEC61755series. Table 2 - Single-mode random mate attenuation grades at 1 310 nm (dB). 11 Table 3 - Single-mode return loss grades at 1 310 nm (dB)