ITU M.1375:1998
ITU M.1375:1998 Maintenance Of International Data Transmission Systems Covers methods and tests for maintaining of international data transmission systems with a PDH presentation.
Table of Contents
1Scope2References
3Terminologyanddefinitions
4Abbreviations
5Performancelimitsandobjectives
6Maintenancerecords
7Faultreportingprocedures
7.1Controlandsub-controlstatus
7.2Faultinformationexchange
8Faultlocalization
9Maintenancetersts
9.1General
9.2Maintenanceinterventiontests
9.3Returningtoservicetests
9.4Loopbacktests
9.5TestaccessatDigitalCross-Connect(DXC)
equipment
10In-servicemonitoring
11Temporaryservicerestoration
11.1Mechanismsforimplementingtemporaryservice
restoration
11.2Timetorestoreservice
11.3Restorationprocedure
11.4Returningtonormalrouting
11.5Informationthatshouldbeexchanged
12Automaticreroutingofinternationaldatatransmission
links
13PrecautionstobetakenintheuseofDXCs
14Plannedmaintenance