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About This Item
Full Description
- An additional measurement method based on optical time domain reflectometry (OTDR) is documented, with guidance on best practice in using the OTDR and interpreting OTDR traces.
- The requirement for the sources used to measure multimode fibres is changed from one based on coupled power ratio (CPR) and mandrel requirement to one based on measurements of the near field at the output of the launching test cord.
Document History
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IEC 61280-4-1 Ed. 3.1 b:2021
Fibre-optic communication subsystem test procedures - Part 4-1: Installed cabling plant - Multimode attenuation measurement CONSOLIDATED EDITION- Most Recent
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IEC 61280-4-1 Ed. 3.0 b:2019
Fibre-optic communication subsystem test procedures - Part 4-1: Installed cabling plant - Multimode attenuation measurement- Historical Version
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IEC 61280-4-1 Ed. 2.0 b:2009
Fibre-optic communication subsystem test procedures - Part 4-1: Installed cable plant - Multimode attenuation measurement- Historical Version
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IEC 61280-4-1 Ed. 2.0 en:2009
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Fibre-optic communication subsystem test procedures - Part 4-1: Installed cable plant - Multimode attenuation measurement- Historical Version
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IEC 61280-4-1 Ed. 1.0 b:2003
Fibre-optic communication subsystem test procedures - Part 4-1: Cable plant and links - Multimode fibre-optic cable plant attenuation measurement- Historical Version