ITU-T G.Sup38 (10 1998) (英) Variable bit rate calculations……

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TSeriesGTELECOMMUNICATIONSupplement38STANDARDIZATIONSECTOROFITU(10/98)SERIESG:TRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSVariablebitratecalculationsforITU-TRecommendationG.767DigitalCircuitMultiplicationEquipment(DCME)

2、Supplement38toITU-TG-seriesRecommendations(PreviouslyCCITTRecommendation)ITU-TG-SERIESRECOMMENDATIONSTRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSINTERNATIONALTELEPHONECONNECTIONSANDCIRCUITSG.100–G.199INTERNATIONALANALOGUECARRIERSYSTEMGENERALCHARACTERISTICSCO

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

4、ETALLICLINESCOORDINATIONOFRADIOTELEPHONYANDLINETELEPHONYG.450–G.499TESTINGEQUIPMENTSTRANSMISSIONMEDIACHARACTERISTICSG.600–G.699DIGITALTRANSMISSIONSYSTEMSTERMINALEQUIPMENTSG.700–G.799DIGITALNETWORKSG.800–G.899DIGITALSECTIONSANDDIGITALLINESYSTEMG.900–G.999Forfurtherdet

5、ails,pleaserefertoITU-TListofRecommendations.SUPPLEMENT38TOITU-TG-SERIESRECOMMENDATIONSVARIABLEBITRATECALCULATIONSFORITU-TRECOMMENDATIONG.767DIGITALCIRCUITMULTIPLICATIONEQUIPMENT(DCME)SourceSupplement38toITU-TG-seriesRecommendations,waspreparedbyITU-TStudyGroup15th(1

6、997-2000)andwasapprovedundertheWTSCResolutionNo.5procedureonthe13ofOctober1998.Gseries–Supplement38(10/98)iFOREWORDITU(InternationalTelecommunicationUnion)istheUnitedNationsSpecializedAgencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector(I

7、TU-T)isapermanentorganoftheITU.TheITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationConference(WTSC),whichmeetseveryfour

8、years,establishesthetopicsforstudybytheITU-TStudyGroupswhich,intheirturn,produceRecommendationsonthesetopics.TheapprovalofRecommend