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  • CEI EN 61746-1 : 2012

    Current The latest, up-to-date edition.

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

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2012

    Publisher:  Comitato Elettrotecnico Italiano

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    Describes procedures for calibrating single-mode optical time domain reflectometers (OTDR). It only covers OTDR measurement errors and uncertainties.

    General Product Information - (Show below) - (Hide below)

    Committee CT 86
    Development Note Classificazione CEI 86-329. Together with CEI EN 61746-2, it supersedes CEI EN 61746. (04/2012)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    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 60793-1-1 : 2017 OPTICAL FIBRES - PART 1-1: MEASUREMENT METHODS AND TEST PROCEDURES - GENERAL AND GUIDANCE
    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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