【英文标准名称】:Aerospaceseries-Connector,electricalandoptical,rectangular,modular,rectangularinserts,operatingtemperature175oC(or125oC)continuous-Part141:Size4plugforrackandpanelapplications-Productstandard.
【原文标准名称】:航空航天系列.工作温度为连续175℃(或125℃),矩形插头模制矩形光电连接器.第141部分:连接器样式应用的尺寸型号4插座.产品标准
【标准号】:NFL54-102-141-2012
【标准状态】:现行
【国别】:法国
【发布日期】:2012-06-01
【实施或试行日期】:2012-06-16
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;连接器的连接件;接触插入物;名称与符号;尺寸规格;电插头;电气的;电气工程;电力设备;标志;模数;光学的;产品标准;机架和面板连接器;矩形连接器;矩形;航天运输;规范(验收)
【英文主题词】:Aerospacetransport;Airtransport;Connectoredjoints;Contactinserts;Designations;Dimensions;Electricplugs;Electrical;Electricalengineering;Electricalinstallations;Marking;Modular;Optical;Productstandards;Rack-and-panelconnectors;Rectangularconnectors;Rectangularshape;Spacetransport;Specification(approval)
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:49_060;49_090
【页数】:17P;A4
【正文语种】:其他
基本信息
标准名称: | 海上交通事故统计信息分类与代码 事故原因 |
英文名称: | Information classfication and code for stastics of maritime traffic accidents Causes of accident |
中标分类: |
公路、水路运输 >>
公路、水路运输综合 >>
电子计算机应用 |
发布日期: | 1993-06-25 |
实施日期: | 1993-12-01 |
首发日期: | |
作废日期: | 2005-09-21 |
出版日期: | |
页数: | 4页 |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类: 公路 水路运输 公路 水路运输综合 电子计算机应用
【英文标准名称】:Electronicfeecollection.PersonalisationandmountingoffirstmountOBE
【原文标准名称】:电子自动收费系统首次安装路上设备(OBE)时的个性化和安装设置
【标准号】:BSPDCEN/TR16152-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-05-31
【实施或试行日期】:2011-05-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:1.1Backgroundandexpectedbenefitsoffirst-mountOBEItcouldbeforeseenthatinfuturetheDSRCOBEwillbedeliveredbycarmanufacturerasafeatureofthevehicleastheydotodaywithcarradiowhicharepartsofthemostsoldvehicles.Forthevehicleowner,theOBEsupplieristhecarmanufactureractingasanOEM(OriginalEquipmentManufacturer).TheintegrationoffirstmountOBEbycarmanufactureristheonlywaytocreateafuturemassmarketforEFCapplicationbaseduponDSRCaswellasGNSS/CN,asatpresenttheintegrationofthistypeofOBEscannotbeachievedexceptforheavygoodsvehicles.RegardingDSRC,thisisalsoanopportunitytoextendthecapabilityoftoday’sEFCtechnologiesbyprovidingincreasedqualityofservice,andpossiblyagreaterrangeofservicesusingin-vehicleelectronicsandresources.1.2PersonalisationconceptThepersonalisationprocedureistheprocedurewheretheEFCServiceProviderinitialize,customise,andfinallyactivatetheEFCinteroperableservicetoOBE,foracustomerwithorwithoutexistingaccount.Twodifferentkindsofpersonalisationmethodscanbedefined:a)thepersonalisationprocedurecanbedone“overtheair”.Insuchcase,personalisationdatacanbeencodedintheOBEbytheServiceProvideroverasecureair-link,orb)personalisationdatacanbeloadeddirectlybythedriverintotheOBEorServiceProviderviaapersonalstoragemedia.Thesesaretwofundamentallydifferentapproaches.Thesecondmethodisperfectlyfittedforcriticalinitialisationdata,suchasencryptionkeys,toenablethedrivertousethesameEFCcontractindifferentvehicles,andalsotosendpersonalisationdataviaposttoalargenumberofcustomers.Inanycase,thepersonalisationprocedureshallbeimplementedinapracticalway.ItwasremindedthattheverylargemajorityofServiceProviderdistributionnetworks(andrelatedpointofsales)arenotsuitedtoallowpoint-to-pointcommunicationwithvehicles.Theyaresuitedmainlyforfront-deskoperationssuchasinitialisationofanaccount,datacollectionofuserinformation,andsoon.Forbothmethods,allaccessprotectioninformation,OBEcontractinformation,shallbestoredinasecurestorageareawithintheOBE.Duringthepersonalisationprocedure,anyOBEandServiceProviderservicepointwillonlycommunicate,butonlyfurthertoasuccessfulcheckofaccessrights.Theuseofanair-linkforpersonalisationpurposesincludessomeriskswithrespecttothesecurityoftheEFCsystem.Thepresentdocumentaddressesappropriatemeasurestocounteracttheserisks.SecurityservicessuchasintegrityprotectionandauthenticationprotocolsshallbedefinedtopreventunauthorisedaccesstothecontentoftheOBEmemoryarearetainingpersonalisationdata.ThisstatementofprinciplessummarisesessentialaspectstobetakenintoaccountforthepersonalisationofOBE.Theseprinciplesarevalid:a)whethertheEFCsystemisbaseduponDSRC,GNSS-CN,oracombinationofbothtechnologies;b)forpermanentlyinstalledOBE;c)forbothoriginalequipmentmanufacturers(firstmount)andaftersalespermanentlyattachedtothevehiclebyOBEmanufacturers.
【中国标准分类号】:R85
【国际标准分类号】:35_240_60
【页数】:46P.;A4
【正文语种】:英语