I.S. EN 60793-1-49:2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
OPTICAL FIBRES - PART 1-49: MEASUREMENT METHODS AND TEST PROCEDURES - DIFFERENTIAL MODE DELAY
Hardcopy , PDF
19-09-2021
English
01-01-2006
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.
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FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
4.1 Optical source
4.2 Stability
4.3 Launch system
4.4 Detection system
4.5 Computational equipment
5 Sampling and specimens
5.1 Test sample
5.2 Specimen endfaces
5.3 Specimen length
5.4 Specimen packaging
5.5 Specimen positioning
6 Procedure
6.1 Adjust and measure system response
6.2 Adjust detection system
6.3 Measure the test sample
7 Calculations and interpretation of results
7.1 Differential mode delay (DMD)
7.2 Minimum calculated effective modal bandwidth
7.3 Length normalization
8 Documentation
8.1 Report the following information for each test:
8.2 The following information shall be available upon request:
9 Specification information
Annex A (normative) Source spectral width limitation
Annex B (informative) Discussion of measurement details
Annex C (informative) Determining DMD weights for EMBc calculation
Annex D (informative) EMBc calculation information
Annex E (informative) Comparison between this standard and
ITU recommendations
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Bibliography
Specifies a method for characterizing the modal structure of a graded-index multimode fibre. This information is useful for assessing the bandwidth performance of a fibre especially when the fibre is intended to support a variety of launch conditions such as those produced by standardized laser transmitters.
| DevelopmentNote |
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
|
| DocumentType |
Standard
|
| Pages |
71
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| Standards | Relationship |
| EN 60793-1-49:2006 | Identical |
| SN EN 60793-1-49 : 2006 | Identical |
| DIN EN 60793-1-49 : 2007 | Identical |
| BS EN 60793-1-49:2006 | Identical |
| NF EN 60793-1-49 : 2006 | Identical |
| IEC 60793-1-49:2006 | Identical |
| IEC 60825-2:2004+AMD1:2006+AMD2:2010 CSV | Safety of laser products - Part 2: Safety of optical fibre communication systems (OFCS) |
| 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 |
| IEC 60793-1-41:2010 | Optical fibres - Part 1-41: Measurement methods and test procedures - Bandwidth |
| IEC 60825-1:2014 | Safety of laser products - Part 1: Equipment classification and requirements |
| IEC 60793-1-42:2013 | Optical fibres - Part 1-42: Measurement methods and test procedures - Chromatic dispersion |
| EN 60793-2-10:2017 | Optical fibres - Part 2-10: Product specifications - Sectional specification for category A1 multimode fibres |
| EN 60793-1-22:2002 | Optical fibres - Part 1-22: Measurement methods and test procedures - Length measurement |
| IEC 60793-1-45:2017 | Optical fibres - Part 1-45: Measurement methods and test procedures - Mode field diameter |
| EN 61280-1-4:2010 | Fibre optic communication subsystem test procedures - Part 1-4: General communication subsystems - Light source encircled flux measurement method |
| EN 60793-1-41:2010 | Optical fibres - Part 1-41: Measurement methods and test procedures - Bandwidth |
| EN 60793-1-42:2013/AC:2013 | OPTICAL FIBRES - PART 1-42: MEASUREMENT METHODS AND TEST PROCEDURES - CHROMATIC DISPERSION |
| IEC 60793-1-22:2001 | Optical fibres - Part 1-22: Measurement methods and test procedures - Length measurement |
| IEC 61280-1-4:2009 | Fibre optic communication subsystem test procedures - Part 1-4: General communication subsystems - Light source encircled flux measurement method |
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