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ITU L.66:2007

ITU L.66:2007 Optical Fibre Cable Maintenance Criteria For In-service Fibre Testing In Access Networks Specifies important considerations with respect to the maintenance band and maintenance test light filtering requirements for testing in-service fibre lines without interfering with optical communicat

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Table of Contents

1Scope
2References
3Definitions
4Abbreviations
5Fundamentalrequirementsforin-servicefibrelinetesting
6Testingandmeasurementmethods
7Requirementsforin-servicefibrelinetesting
7.1Testlightwavelengthallocation
7.2Wavelengthbandwidthoftestlight
7.3Requirementsfortestlightcut-offfilter
7.4Requirementsformeasurementequipment
AppendixI-Japaneseexperience:FibreBragggrating
filter-embeddedinanopticalconnector
I.1Introduction
I.2Structureoffilter-embeddedconnectors
I.3DesignandfabricationofchirpedFBGfilter
I.4Performanceoffilter-embeddedconnector
AppendixII-Japaneseexperience:Spectralfilteringcriteria
forU-bandtestlightforin-servicelinemonitoring
II.1Introduction
II.2Filteringcharacteristicofsidebandnoiseoftestlight
II.3References
AppendixIII-In-servicefibrelinetestingforPONs
III.1Fundamentalrequirementsforin-servicefibreline
testingforPONs

Abstract

Specifies important considerations with respect to the maintenance band and maintenance test light filtering requirements for testing in-service fibre lines without interfering with optical communication signals in access networks.

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