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    I.S. EN IEC 61280-4-1:2019/AC:2020-05

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    Fibre-optic communication subsystem test procedures - Part 4-1: Installed cabling plant - Multimode attenuation measurement

    Available format(s):  Hardcopy, PDF

    Superseded date:  10-03-2022

    Language(s):  English - French

    Published date:  03-06-2020

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    FOREWORD
    1 Scope
    2 Normative references
    3 Terms, definitions, graphical symbols and abbreviated terms
    4 Test methods
    5 Overview of uncertainties
    6 Apparatus
    7 Procedures
    8 Calculations
    9 Documentation
    Annex A (normative) One-cord method
    Annex B (normative) Three-cord method
    Annex C (normative) Two-cord method
    Annex D (normative) Equipment cord method
    Annex E (normative) Optical time domain reflectometer
    Annex F (normative) Requirements for the source characteristics
    Annex G (informative) OTDR configuration information
    Annex H (informative) Test cord attenuation verification
    Annex I (normative) On the use of reference-grade test cords
    Annex J (informative) Launch cord output near-field verification
    Bibliography

    Abstract - (Show below) - (Hide below)

    This part of IEC 61280 is applicable to the measurement of attenuation of installed optical fibre cabling plant using multimode optical fibre.

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

    Committee TC 86
    Document Type Standard
    Product Note THIS DOCUMENT ALSO REFERS TO - IEC 61755-6-1, IEC TR 61930, IEC TR 61931 The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
    Supersedes
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