ITU-TG.774.10(022001)(英)SynchronousDigitalHierarchy…….pdf

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TG.774.10TELECOMMUNICATION(02/2001)STANDARDIZATIONSECTOROFITUSERIESG:TRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSDigitalterminalequipments–Operations,administrationandmaintenancefeaturesoftransmissionequipmentSynchronousDigitalHierarchy(SDH)–Mul

2、tiplexSection(MS)sharedprotectionringmanagementforthenetworkelementviewITU-TRecommendationG.774.10(FormerlyCCITTRecommendation)ITU-TG-SERIESRECOMMENDATIONSTRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSINTERNATIONALTELEPHONECONNECTIONSANDCIRCUITSG.100–G.199GENERALCHARACTERISTICSCOMMONTO

3、ALLANALOGUECARRIER-G.200–G.299TRANSMISSIONSYSTEMSINDIVIDUALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONEG.300–G.399SYSTEMSONMETALLICLINESGENERALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONEG.400–G.449SYSTEMSONRADIO-RELAYORSATELLITELINKSANDINTERCONNECTIONWITHMETALLICLINESCOORDINATIONOFRADIOT

4、ELEPHONYANDLINETELEPHONYG.450–G.499TESTINGEQUIPMENTSG.500–G.599TRANSMISSIONMEDIACHARACTERISTICSG.600–G.699DIGITALTERMINALEQUIPMENTSG.700–G.799GeneralG.700–G.709CodingofanaloguesignalsbypulsecodemodulationG.710–G.719CodingofanaloguesignalsbymethodsotherthanPCMG.720–G.729Principalcharacteristic

5、sofprimarymultiplexequipmentG.730–G.739PrincipalcharacteristicsofsecondordermultiplexequipmentG.740–G.749PrincipalcharacteristicsofhigherordermultiplexequipmentG.750–G.759PrincipalcharacteristicsoftranscoderanddigitalmultiplicationequipmentG.760–G.769Operations,administrationandmaintenancefea

6、turesoftransmissionequipmentG.770–G.779PrincipalcharacteristicsofmultiplexingequipmentforthesynchronousdigitalhierarchyG.780–G.789OtherterminalequipmentG.790–G.799DIGITALNETWORKSG.800–G.899DIGITALSECTIONSANDDIGITALLINESYSTEMG.900–G.999Forfurtherdetails,pleaserefertothelistofITU-TRecommendatio

7、ns.ITU-TRecommendationG.774.10SynchronousDigitalHierarchy(SDH)MultiplexSection(MS)sharedprotectionringmanagementforthenetworkelementviewSummaryThisRecommendationprovidesaninformationmodelfortheSynchronousDigitalHierarchy(SDH)Network.Thismodel