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CENELEC
EN 61746-1:2011/AC:2014

EN 61746-1:2011/AC:2014

Current

Current

The latest, up-to-date edition.

CALIBRATION OF OPTICAL TIME-DOMAIN REFLECTOMETERS (OTDR) - PART 1: OTDR FOR SINGLE-MODE FIBRES (IEC 61746-1:2009)

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 Loss calibration - General
8 Loss calibration methods
9 Reflectance calibration
Annex A (normative) - Recirculating delay line for
        distance calibration
Annex B (normative) - Optical fibre standard for
        loss calibration
Annex C (normative) - Standard splice simulator for
        loss calibration
Annex D (normative) - Mathematical basis
Annex E (normative) - Reflectance standard
Annex F (normative) - Simple version of reflectance
        standard
Annex G (informative) - OTDR basis: Backscatter
        theory - Reflectance measurements using an
        OTDR - Determination of fibre backscatter
        parameter
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Defines procedures for calibrating single-mode optical time domain reflectometers (OTDR).

Committee
SR 86
DevelopmentNote
Supersedes EN 61746. (10/2014)
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current
Supersedes

I.S. EN 61280-4-2:2014 FIBRE-OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES - PART 4-2: INSTALLED CABLE PLANT - SINGLE-MODE ATTENUATION AND OPTICAL RETURN LOSS MEASUREMENT
EN 61280-4-2:2014 Fibre-optic communication subsystem test procedures - Part 4-2: Installed cable plant - Single-mode attenuation and optical return loss measurement
BS EN 61280-4-2:2014 Fibre-optic communication subsystem test procedures Installed cable plant. Single-mode attenuation and optical return loss measurement
CEI EN 61280-4-2 : 2015 FIBRE-OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES - PART 4-2: INSTALLED CABLE PLANT - SINGLE-MODE ATTENUATION AND OPTICAL RETURN LOSS MEASUREMENT

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 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
IEC 61300-3-2:2009 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-2: Examination and measurements - Polarization dependent loss in a single-mode fibre optic device
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 60793-1-40:2003 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 61300-3-6:2008 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6: Examinations and measurements - Return loss
IEC 60793-2-50:2015 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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