NF P84-314-1981 密封性.玻璃纱.(40VV)加强涂敷沥青软覆层
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来源:标准资料网
【英文标准名称】:Waterproofing.Flexiblereinforcedbituminouscoveringwithfibreglassfabricreinforcement.
【原文标准名称】:密封性.玻璃纱.(40VV)加强涂敷沥青软覆层
【标准号】:NFP84-314-1981
【标准状态】:作废
【国别】:法国
【发布日期】:1981-04-01
【实施或试行日期】:1981-04-16
【发布单位】:法国标准化协会(AFNOR)
【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】:Q17
【国际标准分类号】:91_100_50;75_140
【页数】:4P;A4
【正文语种】:其他
【英文标准名称】:SeeATIST1.624
【原文标准名称】:远程通信宽带ISDN用户的网络接口速率和格式规范
【标准号】:ANSIT1.624-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993-01-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:宽频网络;电信;数据率;接口;通信网;B-ISDN;数据格式;规范(批准);综合服务数字网络;规范(验收)
【英文主题词】:dataformats;telecommunications;integratedservicesdigitalnetwork;datarates;interfaces(dataprocessing);broadbandnetwork;specification(approval);b-isdn;widebandcommunication;communicationnetworks
【摘要】:
【中国标准分类号】:M19
【国际标准分类号】:33_080
【页数】:42P;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-8-bitbackplaneinterface:STEbusandmechanicalcorespecificationsformicrocomputers
【原文标准名称】:信息技术8位底板接口:微处理器用的STEbus和机械心线规范
【标准号】:ISO/IEC10859-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Communicationprocedures;Compatibility;Dataprocessing;Datatransfer;Definition;Definitions;Informationtechnology;Interfaces;Interfaces(dataprocessing);Microcomputers;Records;Systemconfiguration;8-bitcodedcharacterset;Protocols;Interfacesofelect
【摘要】:Theoveralllevelofperformancethatmaybeachievedbyanycomputersystemisdetermined,inlargepart,bythesystembusthatisusedtoeffectcommunicationbetweenthevarioussystemelements.Systemperformancecharacteristics,measuredintermsofspeed,reliability,suitabilitytoavarietyofpurposes,andadaptabilitytochangingtechnologyareultimatelydependentontheparticularbusstructurethatisusedanditsassociatedprotocols.ThisstandarddefinestheIEEEStd1000Bus,whichmaybeusedtoimplementgeneralpurpose,high-performance8-bitmicrocomputersystems.Suchasystemmaybeusedinastand-aloneconfiguration,orinlargermultiple-busarchitectures,asaprivate(orsecondary)busorahigh-speedI/Ochannel.ThisstandardisapplicabletothosesystemsandsystemelementswiththecommoncommercialdesignationSTEbus.Itisintendedforthoseuserswhoplantoevaluate,implement,ordesignvarioussystemelementsthatarecompatiblewiththeIEEE1000StdBussystemstructure.ThephysicalattributesandmethodofinterconnectutilizedbyboardsandmodulesconformingtothisstandardarederivedfromseveralInternationalElectrotechnicalCommission(IEC)standards.Thesestandards,whenimplementedjointlyinasystemsenvironment,resultinamechanicalconfigurationcommonlyreferredtoasEurocard.AppendixBlistssuchapplicablestandardswhich,wherereferenced,areconsideredasifincorporatedwiththisstandard.Inparticular,theconnectorusedbyIEEEStd1000Busboardsisa64-pinmaleconnectorutilizingtheoutsidetworows(designatedaandcrows),specifiedinIEC60603-2,andthematingfemaleconnectorisusedonIEEEStd1000Busbackplanes.TherecommendedsizeforIEEEStd1000Busboardsis100mm×160mm(3,937in×6,299in),commonlyreferredtoasasingleheightstandarddepthEurocard.TheIEEEStd1000Busstructureisbasedonthemaster-slaveconceptinwhichamaster,havinggainedcontrolofthebus,mayaddressandcommandslaves.Mastersandslavescommunicatewitheachotherbyuseofanasynchronousinterlockedhandshakeprotocol.Thistechniqueallowsfortheconstructionofcomputersystemsthatincorporatedevicesofwidelyvaryingspeeds.Multiplemastersmaybeimplementedwithinasinglesystem.Twoindependentaddressspacesaresupported:memoryandI/O.Memorytransactionsreferencea1megabytephysicaladdressspace,whileI/Otransactionsreferencea4kilobytephysicaladdressspace.Systemintegrityduringallsuchtransactionsisenhancedbyprovisionofatransfererrorsignal.Provisionismadeforinterboardconditionalertssuchasinterruptrequests,DMArequests,system-specificerrorconditions,orotherspecializedstatusconditions.Withinthisschemeeightprioritizedattentionrequestlevels,eachwithvectoredresponsecapability,areavailableforuserassignation.Thisstandarddealsonlywiththosecharacteristicsthatmustbespecifiedsoastoensurethesuccessfuldesignandimplementationofcompatibleboardsandsystems.Issuesrelatingtoindividualdesignspecifications,andperformanceorsafetyrequirementsarenotaddressed.
【中国标准分类号】:L60
【国际标准分类号】:35_160
【页数】:97P.;A4
【正文语种】:英语
