BS EN 61746:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Calibration of optical time-domain reflectometers (OTDR)
Hardcopy , PDF
30-06-2011
English
05-04-2005
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Calibration test requirements
4.1 Preparation
4.2 Test conditions
4.3 Traceability
5 Distance calibration - General
5.1 Location error model
5.2 Using the calibration results
5.3 Measuring fibre length
6 Distance calibration methods
6.1 External source method
6.2 Concatenated fibre method
6.3 Recirculating delay line method
7 Loss calibration - General
7.1 Determination of the displayed power level F
7.2 Selection of an appropriate reference loss A[ref]
7.3 Development of a test plan
7.4 Polarization dependence
7.5 Calculation of the calibration results
7.6 Using the calibration results
8 Loss calibration methods
8.1 Loss calibration with fibre standard
8.2 External source method
8.3 Splice simulator method
8.4 Power reduction method
9 Reflectance calibration
9.1 Reflectance measurements
9.2 Use of the backscatter parameter, K
9.3 Range of reflectance measurement
9.4 Development of a test plan
9.5 Equipment
9.6 Measurement procedure
10 Documentation
10.1 Measurement data and uncertainties
10.2 Test conditions
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 (informative) 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
Annex ZA (normative) Normative references to international
publications with their corresponding
European Publications
Bibliography
Figures
Table
Describes the procedures for calibrating single-mode optical time domain reflectometers (OTDR).
Committee |
GEL/86
|
DevelopmentNote |
Supersedes 98/260494 DC. (12/2001) Supersedes 00/244386 DC. (04/2005)
|
DocumentType |
Standard
|
Pages |
98
|
PublisherName |
British Standards Institution
|
Status |
Superseded
|
SupersededBy | |
Supersedes |
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 |
NBN EN 61746 : 2006 | Identical |
DIN EN 61746:2005-10 | Identical |
IEC 61746:2005 | Identical |
NF EN 61746 : 2005 | Identical |
EN 61746:2005 | Identical |
I.S. EN 61746:2005 | Identical |
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 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 |
IEC 60793-1:1992 | Optical fibres - Part 1: Generic specification |
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 |
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 |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.