ITU-T T.5 (02 1998) (英) Test methodology for Group 3 facsimile……

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1、INTERNATIONALTELECOMMUNICATIONUNIONITU-TG.511TELECOMMUNICATION(02/98)STANDARDIZATIONSECTOROFITUSERIESG:TRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSTestingequipmentsTestmethodologyforGroup3facsimileprocessingequipmentinthePublicSwitchedTelephoneNetworkITU-TRecommendationG.511(Previ

2、ouslyCCITTRecommendation)ITU-TG-SERIESRECOMMENDATIONSTRANSMISSIONSYSTEMSANDMEDIA,DIGITALSYSTEMSANDNETWORKSINTERNATIONALTELEPHONECONNECTIONSANDCIRCUITSG.100–G.199INTERNATIONALANALOGUECARRIERSYSTEMGENERALCHARACTERISTICSCOMMONTOALLANALOGUECARRIER-G.200–G.299TRANSMISSIONSYSTEMSINDIVIDUALCHARAC

3、TERISTICSOFINTERNATIONALCARRIERTELEPHONEG.300–G.399SYSTEMSONMETALLICLINESGENERALCHARACTERISTICSOFINTERNATIONALCARRIERTELEPHONEG.400–G.449SYSTEMSONRADIO-RELAYORSATELLITELINKSANDINTERCONNECTIONWITHMETALLICLINESCOORDINATIONOFRADIOTELEPHONYANDLINETELEPHONYG.450–G.499TESTINGEQUIPMENTSTRANSMISSI

4、ONMEDIACHARACTERISTICSGeneralG.600–G.609SymmetriccablepairsG.610–G.619LandcoaxialcablepairsG.620–G.629SubmarinecablesG.630–G.649OpticalfibrecablesG.650–G.659Characteristicsofopticalcomponentsandsub-systemsG.660–G.699DIGITALTRANSMISSIONSYSTEMSTERMINALEQUIPMENTSG.700–G.799DIGITALNETWORKSG.80

5、0–G.899DIGITALSECTIONSANDDIGITALLINESYSTEMG.900–G.999Forfurtherdetails,pleaserefertoITU-TListofRecommendations.ITU-TRECOMMENDATIONG.511TESTMETHODOLOGYFORGROUP3FACSIMILEPROCESSINGEQUIPMENTINTHEPUBLICSWITCHEDTELEPHONENETWORKSummaryThisRecommendationdefinesthetestingmethodologyforevaluatingth

6、eperformanceofGroup3facsimileprocessingequipmentincorporatedinSignalProcessingNetworkElement(SPNE)ofthePublicSwitchedTelephoneNetwork.SourceITU-TRecommendationG.511waspreparedbyITU-TStudyGroup16(1997-2000)andwasapprovedundertheWTSCResolutionNo.1procedureonthe6thofFebruary1998.FOREWORDITU(I

7、nternationalTelecommunicationUnion)istheUnitedNationsSpecializedAgencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector(ITU-T)isapermanentorganoftheITU.TheITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRec