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CONTENTS 4 FOREWORD 8 INTRODUCTION 10 1 Scope 11 2 Normative references 11 3 Terms, definitions and abbreviations 12 3.1 Terms and definitions 12 3.2 Abbreviations 15 3.3 Symbols 15 4 Conformance 16 5 General requirements 16 5.1 Test system 16 5.2 Reference measurement and calibration 17 5.3 Environmental conditions 17 5.3.1 Protection of transmission and terminal equipment 17 5.3.2 Inspecting and cleaning connectors 17 5.3.3 Use of test equipment 17 5.3.4 Relevance of measurement 18 5.3.5 Treatment of marginal test results 18 5.4 Documentation 18 6 Test equipment 18 6.1 Light source and power meter 18 6.1.1 General 18 6.1.2 Light sources 18 6.1.3 Power meters 19 6.1.4 Test system stability (ffs) 19 6.2 OTDR 19 6.2.1 General 19 6.2.2 OTDR characterization using a launch test cord and a tail test cord 20 6.3 Test cords and adapters 20 6.3.1 Connecting hardware at test interfaces 20 6.3.2 Reference connector requirements 21 6.3.3 Test cords 22 6.4 MMF launched modal distribution 24 6.5 SMF launch condition 24 7 Inspection equipment 24 8 Cabling under test – Channels and permanent links -1 8.3 Wavelength of measurement 26 8.4 Direction of measurement 26 9 Testing of installed cabling

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Author

IEC

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EN

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reference