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ITU L.40:2000

ITU L.40:2000 Optical Fibre Outside Plant Maintenance Support, Monitoring And Testing System Describes optical fibre importance to create networks and to maintain their reliability. As traffic increases, higher capacity fibre cables are installed. Minimal levels of maintenance and testing are

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Table of Contents

1Scope
2Fundamentalrequirements
2.1Functions
2.2Interface
3Testingandmaintainingprinciple
3.1Methods
3.2Wavelength
4Fundamentalarchitecture
4.1Generalsystemarchitecture
4.2Opticaltestingmodule(OTM)
AppendixI-UnitedStatesexperienceregardingremote
fibremonitoringandtesting
I.1Introduction
I.2Remotefibretestingandmonitoringarchitectures
I.2.1Basicdarkfibreremotetestsystems(RFTSs)
I.2.2Remotefibretestsystemswithactivefibre
monitoringandtesting
I.2.3RFTSmanager
I.2.4Alarms
I.3Conclusions
I.4References
AppendixII-Opticalfibreoutsideplantmaintenance
supportandtestingsystem
II.1Abstract
II.1.1Fundamentalrequirements
II.1.2Testingandmaintainingprinciple
II.1.3Fundamentalarchitecture
II.2Detailofthesystem
II.2.1Purposes
II.2.2Systemfunctions
II.2.3Systemconfiguration
II.2.4Controlsystemoverview
II.2.5Testingandmeasurementprinciples
II.3Mandatoryconditions
II.3.1Networktopologies
II.3.2Capacities
II.3.3Testwavelength
II.3.4Systemdatamanagement
II.3.5Interface
AppendixIII-Opticalfibreoutsideplantmaintenance
supportandtestingsystem
III.1Introduction
III.2Scenario
III.3Benefitsofattenuationcontinuousmonitoring
III.4Basicprinciplesoftheopticalcablesupervisory
system
III.5Requirementsoftheopticalcablesupervisory
system
III.6Conclusions
AppendixIV-TheIndonesianexperienceonopticalfibre
cableoperationandmaintenancesupport
system
IV.1Introduction
IV.2Fundamentalrequirements
IV.3System'sbasicconfiguration
IV.4Functionsofmainunits
IV.5System'shardwareconfiguration
IV.6GeneralspecificationofopticalfibrecableO
supportsystem
IV.6.1Testscope
IV.6.2Capacities
IV.6.3Testwavelength
IV.6.4Testdistancerestrictions
IV.6.5Systemdatamanagement
IV.6.6Couplinglossandreflectionmeasurement
IV.6.7Transmissionconditions
IV.6.8Systemuseconditions
IV.7Applicationsoftware
AppendixV-Spain'sexperienceofanopticalfibre
monitoringsystem(OFMS)
V.1Introduction
V.2General
V.3Opticalfibremonitoringsystem(OFMS)-General
description
V.4Systemperformance
V.5System
V.6Incorporationofthesysteminthecentralized
monitoringstructure

Abstract

Describes optical fibre importance to create networks and to maintain their reliability. As traffic increases, higher capacity fibre cables are installed. Minimal levels of maintenance and testing are required to provide high reliability and quick response.

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