I.S. EN IEC 61280-4-1:2019/A1:2022
Current
The latest, up-to-date edition.
Fibre-optic communication subsystem test procedures - Part 4-1: Installed cabling plant - Multimode attenuation measurement
Hardcopy , PDF
English
28-02-2022
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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FOREWORD
1 Scope
2 Normative references
3 Terms, definitions, graphical symbols and abbreviated terms
4 Test methods
5 Overview of uncertainties
6 Apparatus
7 Procedures
8 Calculations
9 Documentation
Annex A (normative) One-cord method
Annex B (normative) Three-cord method
Annex C (normative) Two-cord method
Annex D (normative) Equipment cord method
Annex E (normative) Optical time domain reflectometer
Annex F (normative) Requirements for the source characteristics
Annex G (informative) OTDR configuration information
Annex H (informative) Test cord attenuation verification
Annex I (normative) On the use of reference-grade test cords
Annex J (informative) Launch cord output near-field verification
Bibliography
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