BS EN 61746-1:2011
Current
The latest, up-to-date edition.
Calibration of optical time-domain reflectometers (OTDR) OTDR for single-mode fibres
Hardcopy , PDF
English
30-11-2014
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
Describes procedures for calibrating single-mode optical time domain reflectometers (OTDR).
| Committee |
GEL/86
|
| DevelopmentNote |
Supersedes 08/30175850 DC. (06/2011) Supersedes BS EN 61746. (11/2014)
|
| DocumentType |
Standard
|
| Pages |
94
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This part of IEC 61746 provides procedures for calibrating single-mode optical time domain reflectometers (OTDR). It only covers OTDR measurement errors and uncertainties.
This standard does not cover correction of the OTDR response.
| Standards | Relationship |
| EN 61746-1:2011/AC:2014 | Identical |
| IEC 61746-1:2009 | Identical |
| I.S. EN 61746-1:2011 | Equivalent |
| EN 61746-1:2011 | Equivalent |
| DIN EN 61746-1:2011-10 | Equivalent |
| UNE-EN 61746-1:2011 | Equivalent |
| 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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