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ISO/IEC 11574-2000 信息技术系统间远程通信和信息交换专用综合业务网电路方式64kbit/s承载服务服务描述、功能能力和信息流

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【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-PrivateIntegratedServicesNetwork-Circuit-mode64kbit/sbearerservices-Servicedescription,functionalcapabilitiesandinformationflows
【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电路方式64kbit/s承载服务服务描述、功能能力和信息流
【标准号】:ISO/IEC11574-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-03
【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】:定义;网络层;综合业务数字网;通信网;电信服务;服务定义;信息交换;信息流;电信;信息技术;数据处理;传输;电路转换;传播方式;私人网络;系统;分配;专业综合服务网
【英文主题词】:Circuit-switching;Communicationnetworks;Communicationprocesses;Communicationservice;Dataprocessing;Definitions;Distribution;Informationflow;Informationinterchange;Informationtechnology;ISDN;Networklayers;PISN;Privatenetworks;Servicedefinition;Stagingfunctions;Systems;Telecommunications;Transmission
【摘要】:ThisInternationalStandardspecifiestheservicedescriptionandcontrolaspects,includingfunctionalcapabilitiesandinformationflows,ofstandardisedcircuit-modebearerserviceswhichmaybesupportedbyaPrivateIntegratedServicesNetwork(PISN).ThisInternationalStandardincludesthefollowingbasicservices:·Circuit-mode64kbit/sunrestricted8kHzstructuredbearerservicecategory;·Circuit-mode64kbit/s8kHzstructuredbearerservicecategoryusableforspeechinformationtransfer;·Circuit-mode64kbit/s8kHzstructuredbearerservicecategoryusablefor3,1kHzaudioinformationtransfer.APISNshallsupportatleastoneoftheabovethreebearerservicestoconformwiththisInternationalStandard.ThescopeofthisInternationalStandarddoesnotinclude:·thenegotiationofserviceatcallestablishmenttime,·thechangeofserviceduringacall,and·unidirectionalservices.ThisInternationalStandardincludesoptionalproceduresfortheprovisionoffunctionsequivalenttothefollowingpublicISDNsupplementaryservices:SubaddressandMultipleSubscriberNumber.NOTE1-Supplementaryservicesandotherbearerserviceswhichcanbeusedinconjunctionwith64kbit/scircuitswitchedbearerservicesspecifiedinthisInternationalStandardaredealtwithinotherstandards.NOTE2-ServicespecificationsarebasedoninformationconcerningthecorrespondingpublicISDNserviceavailableatthetimeofpublicationofthisInternationalStandard.NOTE3-ITU-TtreatSubaddressingandMultipleSubscriberNumberassupplementaryservices.NOTE4-TheuseoftheDirectDialInsupplementaryserviceofapublicISDNforcallsincomingtoaPISNfromapublicISDNisregardedaspartofthebasicservicesinaPISN.NOTE5-TheuseoftheCallingLineIdentificationPresentationandConnectedLineIdentificationPresentationsupplementaryservicesotipublicISDNforobtainingtheOriginatingNumberortheConnectedNumberofacallfromortoapublicISDNisregardedaspartofthebasicservicesinaPISN.NOTE6-Theprovision(eitherexplicitlyorimplicitly)bytheusertothenetwork,ofitsownnumber(OriginatingNumberorConnectedNumber),andtheprovisionofanOriginatingNumberoraConnectedNumberbyaPISNtoanothernetworkisapartofthebasicservicesinaPISNandnotapartoftheCallingLineIdentificationPresentationandConnectedLineIdentificationPresentationsupplementaryservices.ThosesupplementaryservicesareconcernedonlywiththepresentationofthenumberfromthenetworktotheservedPISNuser.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35
【页数】:87P.;A4
【正文语种】:英语


【英文标准名称】:Class0.5,1and2alternating-currentwatthourmeters
【原文标准名称】:等级为0.5、1和2的交流瓦特表
【标准号】:BSEN60521-1995
【标准状态】:作废
【国别】:英国
【发布日期】:1995-09-15
【实施或试行日期】:1995-09-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:图形符号;尺寸;仪表;作标记;电气试验;温升极限;易燃性;电路;燃烧试验;仪表箱;功率损耗;脉冲电压试验;仪表刻度;电度表;接线端;误差
【英文主题词】:
【摘要】:Givestypetestsformeasurementofelectricalenergyinthefrequencyrange45to65Hzhavingavoltageacrossconnectionterminalsnotexceeding600V.
【中国标准分类号】:N22
【国际标准分类号】:91_140_50
【页数】:48P;A4
【正文语种】:英语


【英文标准名称】:MagnesiumAlloys;CastingAlloys;SandCastings,GravitiyDieCastings,PressureDieCastings
【原文标准名称】:镁合金.铸造合金.砂型铸件.冷硬铸件.压铸件
【标准号】:DIN1729Bb.2-1960
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】: