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CENELEC
EN 61746-2:2011/AC:2014

EN 61746-2:2011/AC:2014

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CALIBRATION OF OPTICAL TIME-DOMAIN REFLECTOMETERS (OTDR) - PART 2: OTDR FOR MULTIMODE FIBRES

Published date

19-09-2014

Publisher

European Committee for Standards - Electrical

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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Preparation for calibration
5 Distance calibration - General
6 Distance calibration methods
7 Vertical scale calibration - General
8 Loss difference calibration method
Annex A (normative) - Multimode recirculating delay line
        for distance calibration
Annex B (normative) - Mathematical basis
Bibliography
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

Gives procedures for calibrating multimode optical time domain reflectometers (OTDR).

Committee
SR 86
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
IEC 60825-2:2004+AMD1:2006+AMD2:2010 CSV Safety of laser products - Part 2: Safety of optical fibre communication systems (OFCS)
IEC 61280-2-10:2005 Fibre optic communication subsystem test procedures - Part 2-10: Digital systems - Time-resolved chirp and alpha-factor measurement of laser transmitters
IEC 60050-731:1991 International Electrotechnical Vocabulary (IEV) - Part 731: Optical fibre communication
IEC 61280-1-3:2010 Fibre optic communication subsystem test procedures - Part 1-3: General communication subsystems - Central wavelength and spectral width measurement
EN 60825-1:2014/AC:2017-06 SAFETY OF LASER PRODUCTS - PART 1: EQUIPMENT CLASSIFICATION AND REQUIREMENTS (IEC 60825-1:2014)
IEC 60793-2-10:2017 Optical fibres - Part 2-10: Product specifications - Sectional specification for category A1 multimode fibres
EN 60793-1-1:2017 Optical fibres - Part 1-1: Measurement methods and test procedures - General and guidance
EN 60793-2-50:2016 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
IEC 60794-1-2:2017 Optical fibre cables - Part 1-2: Generic specification - Basic optical cable test procedures - General guidance
IEC 60825-1:2014 Safety of laser products - Part 1: Equipment classification and requirements
EN 60793-2-10:2017 Optical fibres - Part 2-10: Product specifications - Sectional specification for category A1 multimode fibres
EN 60793-1-40:2003 Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuation
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
IEC TR 61930:1998 Fibre optic graphical symbology
IEC 60793-1-40:2001 Optical fibres - Part 1-40: Measurement methods and test procedures - Attenuation
IEC TR 61931:1998 Fibre optic - Terminology
IEC 61280-4-1:2009 Fibre-optic communication subsystem test procedures - Part 4-1: Installed cable plant - Multimode attenuation measurement
IEC 61300-3-6:2008 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6: Examinations and measurements - Return loss
EN 61300-3-6:2009 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6: Examinations and measurements - Return loss
EN 61280-1-4:2010 Fibre optic communication subsystem test procedures - Part 1-4: General communication subsystems - Light source encircled flux measurement method
EN 61280-2-10:2005 Fibre optic communication subsystem test procedures - Part 2-10: Digital systems - Time-resolved chirp and alpha-factor measurement of laser transmitters
IEC 60793-2-50:2015 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
EN 60794-1-2:2017/AC:2017-07 OPTICAL FIBRE CABLES - PART 1-2: GENERIC SPECIFICATION - BASIC OPTICAL CABLE TEST PROCEDURES - GENERAL GUIDANCE (IEC 60794-1-2:2017)
EN 61280-1-3:2010 Fibre optic communication subsystem test procedures - Part 1-3: General communication subsystems - Central wavelength and spectral width measurement
EN 61280-4-1:2009 FIBRE OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES - PART 4-1: INSTALLED CABLE PLANT - MULTIMODE ATTENUATION MEASUREMENT
EN 60825-2:2004/A2:2010 SAFETY OF LASER PRODUCTS - PART 2: SAFETY OF OPTICAL FIBRE COMMUNICATION SYSTEMS (OFCS)
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)
IEC 61280-1-4:2009 Fibre optic communication subsystem test procedures - Part 1-4: General communication subsystems - Light source encircled flux measurement method
IEC 61745:2017 End-face image analysis procedure for the calibration of optical fibre geometry test sets

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