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【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems;PrivateintegratedServicesNetwork-Mappingfunctionsfortheemploymentof64-kbit/scircuitmodeconnectionswith8-kbit/ssub-multiplexing
【原文标准名称】:信息技术系统间远程通信和信息交换专用综合业务网对使用带有8kbit/s子复用的64kbit/s电路方式连接的映射功能
【标准号】:ISO/IEC17311-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:宽带网络;电路网络;专业综合业务网;信息处理;复接;传播技术;数据处理;无线电电路;电路;电信
【英文主题词】:Broadbandnetwork;Circuitnetworks;Circuits;Communicationtechnology;Dataprocessing;Informationprocessing;Multiplexing;PISN;Privateintegratedservicesnetworking;Radiocircuits;Telecommunication;Telecommunications
【摘要】:ThisInternationalStandarddefinesthemappingfunctionsinexchangesofPrivateIntegratedServicesNetworks(PISNs)requiredfortheutilizationofscenariosinwhich64kbit/scircuitmodeconnectionsaresub-multiplexedintoone16kbit/schannelforcarryinginter-PINXsignallingand6x8kbit/schannelsforcarryinginter-PINXuserinformation.NOTE1-ThisInternationalStandardhasbeenpreparedtomeetthespecificneedsofanapplicationforaparticularuserorganisation.However,itmayalsobeapplicableelsewhere.InordertoconnectaPrivateIntegratedServicesNetworkExchange(PINX)toanotherPINX,mappingfunctionsarerequiredtoadaptthespecificinterfacesattheCreferencepointtotheapplicationattheQreferencepoint.Assuch,mappingfunctionsprovideforphysicaladaptationtotheinterfaceattheCreferencepoint.MappingfunctionsalsoprovideforthemappingofuserchannelsandsignallinginformationattheQreferencepointtotheappropriatechannelsortimeslotsattheCreferencepoint.TheCandQreferencepointsaredefinedinISO/IEC11579-1.ThetypeofinterfaceattheCreferencepointcoveredbythisInternationalStandardisthe64kbit/sUnrestrictedDigitalLeasedLine(D64U)TerminalEquipmentInterface,inaccordancewithITU-TRec.G.703.AttheQreferencepointthemappingprovidesan8kbit/sserviceforuserchannelstosupportthetransferofunrestricteddigitalinformationandtosupportthetransferofspeech,anda16kbit/spacketmodeserviceforthesignallingchannel.Theappliedmappingisastaticmapping,i.e.thereisafixedrelationshipbetweenuserandsignallingchannelsattheQreferencepointandtheinterfaceattheCreferencepoint.ManagementfunctionsrelatingtofailuremanagementareoutsidethescopeofthisInternationalStandard.ThisInternationalStandardisapplicabletoPINXsthatcanbeinterconnectedtoformaPrivateIntegratedServicesNetwork(PISN)andthatsupportsignallingprotocolsattheQreferencepoint.
【中国标准分类号】:L78
【国际标准分类号】:33_040_35
【页数】:10P;A4
【正文语种】:英语