【英文标准名称】:Informationtechnology-Fibredistributeddatainterface(FDDI)-Part26:MediaAccessControlConformanceTesting(MAC-ATS)
【原文标准名称】:信息技术光纤分布数据接口(FDDI)第26部分：媒体访问控制一致性测试(MAC-ATS)
【标准号】:ISO/IEC9314-26-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-04
【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】:信息交换;光波导;物理层;数据处理;数据交换;网络互连;通信规程;数据传送;信息处理;试验组;光学纤维;光纤排列数据接口;接口(数据处理)
【英文主题词】:Communicationprocedures;Dataexchange;Dataprocessing;Datatransfer;Fibredistributeddatainterface;Informationinterchange;Informationprocessing;Interfaces(dataprocessing);Networkinterconnection;Opticalfibres;Opticalwaveguides;Physicallayers;Testsuites
【摘要】:ThispartofISO/IEC9314containstheabstracttestsuitefortheFibreDistributedDataInter-face(FDDI)tokenringMediaAccessControl(MAC)layerprotocol.ThistestsuitewasdevelopedbasedontheprinciplesdefinedinOSIConformanceTestingMethodologyandFramework(ISO/IEC9646)andwritteninTreeandTabularCombinedNotation(TTCN),andintendedfortestingconformancetotheMACstandard(ISO/IEC9314-2:1989)ofanyFDDIstations.Thetestmethodologyisthe"remotesinglelayertest"asdescribedinISO/IEC9646.TheabstracttestscriptsspecifytheMAClayerProtocolDataUnits(PDU)tobeexchangedbetweenthetwoMACentities,theMAConthetesterandtheMAContheImplementationUnderTest(IUT).ThetesteriscalledtheLowerTester(LT).Thetestsuitedoesnotrequireuseofanyhigherlayerprotocols,nordoesitassumeexistenceofLogicalLinkControl(LLC)layerimplementationontheIUT.Itexpects,however,thattheStationManagement(SMT)functionisavailableontheIUT.SinceMACitselfdoesnotoriginateanydataframes,thetesterusesSMTtotesttheprocessingcapabilityofMACbysendingframestoSMTandobservingtheSMToriginatedresponseframes.Thetestingisexpectedtobeconductedinacontrolledenvironmentwithaminimumconfiguration(figure1):atokenringwithtwostations,onebeingtheLTandtheothertheIUT.
【中国标准分类号】:M33
【国际标准分类号】:33_180_01;35_110
【页数】:78P;A4
【正文语种】:英语


Product Code:SAE AMS5523
Title:Steel, Corrosion and Heat-Resistant, Sheet, Strip, and Plate, 23Cr - 13.5Ni (SAE 30309S), Solution Heat Treated
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat-resistant steel in the form of sheet, strip, and plate.