Table of Contents
FOREWORD
CONTENTS
1Scope
2References
3Termsanddefinitions
4Abbreviations
5MaintenancetechniqueswithISM
5.1RelationshipwithITU-TRec.M.20
5.2Faultlocalizationinformation
5.2.1Performanceinformation
5.2.2Performancelevelinformation
5.2.3Performanceprimitivesinformation
5.2.4Supplementaryinformation
5.3Performancefiltering,thresholding,reportingand
historicalstorage
5.3.1Events
5.3.2Transmissionstates
5.3.3Thresholdreports
5.3.4Filtertypesusedforevaluatingtransmission
statesandthresholdreports
5.3.5Evaluationoftransmissionstatesandthreshold
reports
5.3.6Performancehistorystorageinnetworkelements
5.3.7Performancehistoryreportingfromnetwork
elements
5.3.8Accuracyandresolution
5.3.9Single-endedmonitoringcapability
6Faultlocalizationproceduresontransmissionsystemsand
multiplexsections
6.1Faultlocalizationinapre-ISMenvironment
6.2FaultlocalizationinanISMenvironment
7Faultlocalizationproceduresonpaths
7.1Faultlocalizationinapre-ISMenvironmentorusing
OOSmeans
7.2FaultlocalizationinanISMenvironment
8Returningamaintenanceentityintoservice
9Trendanalysisandsignatures Abstract
Provides procedures for fault detection and localization with and without in-service monitoring for international multi-operator paths, sections, and transmission systems.
