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时间:2019-10-18
《ITU-T O.173-2007(E) Jitter measuring equipment for digital systems》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、InternationalTelecommunicationUnionITU-TO.173TELECOMMUNICATION(03/2007)STANDARDIZATIONSECTOROFITUSERIESO:SPECIFICATIONSOFMEASURINGEQUIPMENTEquipmentforthemeasurementofdigitalandanalogue/digitalparametersJittermeasuringequipmentfordigitalsystemswhicharebasedontheOpticalTransportNetwork(OTN
2、)ITU-TRecommendationO.173ITU-TO-SERIESRECOMMENDATIONSSPECIFICATIONSOFMEASURINGEQUIPMENTGeneralO.1–O.9MaintenanceaccessO.10–O.19Automaticandsemi-automaticmeasuringsystemsO.20–O.39EquipmentforthemeasurementofanalogueparametersO.40–O.129Equipmentforthemeasurementofdigitalandanalogue/digitalp
3、arametersO.130–O.199EquipmentforthemeasurementofopticalchannelparametersO.200–O.209EquipmenttoperformmeasurementsonIPnetworksO.210–O.219Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TRecommendationO.173JittermeasuringequipmentfordigitalsystemswhicharebasedontheOpticalTr
4、ansportNetwork(OTN)SummaryThisRecommendationspecifiesinstrumentationthatisusedtogenerateandmeasurejitterindigitalsystemsbasedontheOTN.Measurementrequirementsforclientinterfaces,e.g.,SDHlineinterfacesarenotaddressedinthisRecommendation.Therequirementsforthecharacteristicsofthejittermeasuri
5、ngequipmentthatarespecifiedinthisRecommendationmustbeadheredtoinordertoensureconsistencyofresultsbetweenequipmentproducedbydifferentmanufacturers.SourceITU-TRecommendationO.173wasapprovedon16March2007byITU-TStudyGroup4(2005-2008)undertheITU-TRecommendationA.8procedure.KeywordsInputjittert
6、olerance,inputwandertolerance,jittergeneration,jittermeasurement,jittertransferfunction,outputjitter.ITU-TRec.O.173(03/2007)iFOREWORDTheInternationalTelecommunicationUnion(ITU)istheUnitedNationsspecializedagencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector(IT
7、U-T)isapermanentorganofITU.ITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationAssembly(WTSA),whichmeetseveryfouryears,es
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