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  • BS EN 61280-4-1:2009

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Fibre optic communication subsystem test procedures Installed cable plant. Multimode attenuation measurement

    Available format(s):  Hardcopy, PDF

    Superseded date:  14-03-2022

    Language(s):  English

    Published date:  31-01-2010

    Publisher:  British Standards Institution

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

    1 Scope
    2 Normative references
    3 Terms, definitions, graphical symbols and acronyms
    4 Measurement methods
    5 Apparatus
    6 Procedures
    7 Calculations
    8 Documentation
    Annex A (normative) - One-cord reference method
    Annex B (normative) - Three-cord reference method
    Annex C (normative) - Two-cord reference method
    Annex D (normative) - Optical time domain reflectometer
    Annex E (normative) - Requirements for the source
            characteristics for multimode measurement
    Annex F (informative) - Measurement uncertainty examples
    Annex G (informative) - OTDR configuration information
    Annex H (informative) - Test cord insertion loss verification
    Bibliography
    Annex ZA (normative) - Normative references to international
             publications with their corresponding European
             publications

    Abstract - (Show below) - (Hide below)

    Pertains to the measurement of attenuation of installed fibre-optic cabling using multimode fibre, typically in lengths of up to 2000 m.

    Scope - (Show below) - (Hide below)

    IEC 61280-4-1:2009 is applicable to the measurement of attenuation of installed fibre-optic cabling using multimode fibre, typically in lengths of up to 2 000 m. This cabling can include multimode fibres, connectors, adapters and splices. In this standard, the fibre types that are addressed include category A1a (50/125 µm) and A1b (62,5/125 µm) multimode fibres, as specified in IEC 60793-2-10. The attenuation measurements of the other multimode categories can be made, using the approaches of this standard, but the source conditions for the other categories have not been defined. The main changes with respect to the previous edition are:
    - An additional measurement method based on optical time domain reflectometry (OTDR) is documented, with guidance on best practice in using the OTDR and interpreting OTDR traces.
    - The requirement for the sources used to measure multimode fibres is changed from one based on coupled power ratio (CPR) and mandrel requirement to one based on measurements of the near field at the output of the launching test cord.
    - Highlighting the importance of, and giving guidance on, good measurement practices including cleaning and inspection of connector end faces.

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

    Committee GEL/86/3
    Development Note Supersedes 01/204330 DC. (07/2004) Supersedes 06/30153072 DC. (01/2010)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    IEC 60825-2:2004+AMD1:2006+AMD2:2010 CSV Safety of laser products - Part 2: Safety of optical fibre communication systems (OFCS)
    IEC 61280-1-3:2010 Fibre optic communication subsystem test procedures - Part 1-3: General communication subsystems - Central wavelength and spectral width measurement
    IEC 60793-2-10:2017 Optical fibres - Part 2-10: Product specifications - Sectional specification for category A1 multimode fibres
    IEC 60793-2:2015 Optical fibres - Part 2: Product specifications - General
    ISO/IEC 24702:2006 Information technology Generic cabling Industrial premises
    ISO/IEC 11801:2002 Information technology Generic cabling for customer premises
    EN 61746:2005 CALIBRATION OF OPTICAL TIME-DOMAIN REFLECTOMETERS (OTDR)
    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 61300-3-35:2015 RLV Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-35: Examinations and measurements - Visual inspection of fibre optic connectors and fibre-stub transceivers
    EN 61280-1-4:2010 FIBRE OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES - PART 1-4: GENERAL COMMUNICATION SUBSYSTEMS - LIGHT SOURCE ENCIRCLED FLUX MEASUREMENT METHOD
    IEC 60793-2-50:2015 Optical fibres - Part 2-50: Product specifications - Sectional specification for class B single-mode fibres
    IEC 61746:2005 Calibration of optical time-domain reflectometers (OTDR)
    EN 61280-1-3:2010 FIBRE OPTIC COMMUNICATION SUBSYSTEM TEST PROCEDURES - PART 1-3: GENERAL COMMUNICATION SUBSYSTEMS - CENTRAL WAVELENGTH AND SPECTRAL WIDTH MEASUREMENT
    IEC 61315:2005 Calibration of fibre-optic power meters
    IEC TR 62316:2007 Guidance for the interpretation of OTDR backscattering traces
    EN 60825-2:2004/A2:2010 SAFETY OF LASER PRODUCTS - PART 2: SAFETY OF OPTICAL FIBRE COMMUNICATION SYSTEMS (OFCS)
    ISO/IEC 14763-3:2014 Information technology Implementation and operation of customer premises cabling Part 3: Testing of optical fibre cabling
    ISO/IEC 24764:2010 Information technology Generic cabling systems for data centres
    EN 61315:2006 Calibration of fibre-optic power meters
    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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