Table of Contents
1General
2Maintenanceobjectives
2.1Purpose
2.2Economics
2.3Transitionfromanaloguetodigitalnetworks
includingISDNs
2.4Centralizedmaintenanceoperations
3Overallmaintenancephilosophy
3.1Networkcomponentsformaintenance
3.2Failureconcepts
3.3Networksupervision
4Bringing-into-servicenewinternationaltransmission
systemsandcircuits
4.1Installationandacceptancetesting
4.2Setting-upandlining-up
4.3Detailedconsiderations
4.4Otherconsiderations
5Maintenancephasesundernormalandfaultconditions
5.1Performancemeasurement
5.2Failuredetection
5.3Systemrestoration
5.4Failureorperformanceinformation
5.5Faultlocalization
5.6Logisticdelay
5.7Faultcorrection
5.8Verification
5.9Restoration
6Additionalmaintenanceactivities
6.1Maintenancesupport
6.2Failurestatistics
6.3Preventivemaintenanceactions
7Othermaintenanceconsiderations
7.1Referencetestfrequencyconsiderations
7.2Useofmaintenancetestlinesandloop-backs
7.3MaintenanceofcommonchannelSignallingSystem
No.7networks
References Abstract
Describes maintenance philosophy for telecommunications networks. It also defines network maintenance phases, network supervision capabilities, and bringing into service requirements.
