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BS EN 61746-2:2011

Current
Current

The latest, up-to-date edition.

Calibration of optical time-domain reflectometers (OTDR) OTDR for multimode fibres
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-30-2014

Publisher

British Standards Institution

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
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications
Bibliography

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

This part of IEC 61746 provides procedures for calibrating multimode optical time domain reflectometers (OTDR). It covers OTDR measurement errors and uncertainties. The test of the laser(s) source modal condition is included as an optional measurement.

This standard does not cover correction of the OTDR response.

Committee
GEL/86
DevelopmentNote
Supersedes 06/30153345 DC and 08/30175854 DC. (07/2011)
DocumentType
Standard
Pages
48
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN 61746-2:2011/AC:2014 Identical
IEC 61746-2:2010 Identical

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 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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