ITU-TG.774(0201)Synchronousdigitalhierarchy(SDH)-Management.pdf

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TG.774TELECOMMUNICATION(02/2001)STANDARDIZATIONSECTOROFITUSERIESG:TRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSDigitalterminalequipments–Operations,administrationandmaintenancefeaturesoftransmissionequipmentSynchronousdigitalhie

2、rarchy(SDH)–ManagementinformationmodelforthenetworkelementviewITU-TRecommendationG.774(FormerlyCCITTRecommendation)ITU-TG-SERIESRECOMMENDATIONSTRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSINTERNATIONALTELEPHONECONNECTIONSANDCIRCUITSG.100–G.199GENERALCHARACTERISTICSCO

3、MMONTOALLANALOGUECARRIER-G.200–G.299TRANSMISSIONSYSTEMSINDIVIDUALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONEG.300–G.399SYSTEMSONMETALLICLINESGENERALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONEG.400–G.449SYSTEMSONRADIO-RELAYORSATELLITELINKSANDINTERCONNECTIONWITHMETALLICL

4、INESCOORDINATIONOFRADIOTELEPHONYANDLINETELEPHONYG.450–G.499TESTINGEQUIPMENTSG.500–G.599TRANSMISSIONMEDIACHARACTERISTICSG.600–G.699DIGITALTERMINALEQUIPMENTSG.700–G.799GeneralG.700–G.709CodingofanaloguesignalsbypulsecodemodulationG.710–G.719Codingofanaloguesignalsbymethodsothe

5、rthanPCMG.720–G.729PrincipalcharacteristicsofprimarymultiplexequipmentG.730–G.739PrincipalcharacteristicsofsecondordermultiplexequipmentG.740–G.749PrincipalcharacteristicsofhigherordermultiplexequipmentG.750–G.759Principalcharacteristicsoftranscoderanddigitalmultiplicationeq

6、uipmentG.760–G.769Operations,administrationandmaintenancefeaturesoftransmissionequipmentG.770–G.779PrincipalcharacteristicsofmultiplexingequipmentforthesynchronousdigitalhierarchyG.780–G.789OtherterminalequipmentG.790–G.799DIGITALNETWORKSG.800–G.899DIGITALSECTIONSANDDIGITALL

7、INESYSTEMG.900–G.999Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TRecommendationG.774Synchronousdigitalhierarchy(SDH)-ManagementinformationmodelforthenetworkelementviewSummaryThisRecommendationprovidesaninformationmodelforthesynchronousdigitalhierarchy(SD

8、H).Thismodeldescribesthemanagedobjectclassesandtheirpropertiesthatareuseful