您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS EN 41003-1997 电信网络连接设备特殊安全要求

时间:2024-05-19 19:54:27 来源: 标准资料网 作者:标准资料网 阅读:8974
下载地址: 点击此处下载
【英文标准名称】:Particularsafetyrequirementsforequipmenttobeconnectedtotelecommunicationnetworks
【原文标准名称】:电信网络连接设备特殊安全要求
【标准号】:BSEN41003-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-02-15
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电压控制;事故预防;电路;电压;通信链路;职业安全;安全措施;通信网;电流;电信;电气安全;电池供电装置
【英文主题词】:
【摘要】:
【中国标准分类号】:M30
【国际标准分类号】:33_040_01
【页数】:14P;A4
【正文语种】:英语


【英文标准名称】:Plastics-Thermoplasticpolyester(TP)mouldingandextrusionmaterials-Designationsystemandbasisforspecifications
【原文标准名称】:塑料.热塑聚酯模塑和挤制材料.命名系统和基本规范
【标准号】:BSENISO7792-1-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【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】:规范;模制材料;聚酯;热塑性聚合物;分类;数据块;化学结构;塑料;挤压成型;命名体制;聚酯树脂;名称与符号;模塑材料
【英文主题词】:Chemicalstructure;Classification;Datablocks;Designationsystems;Designations;Extrusion;Mouldingmaterials;Mouldings(shapedsection);Plastics;Polyesterresins;Polyesters;Specification;Thermoplasticpolymers
【摘要】:1ThispartofISO7792establishesasystemofdesignationforthermoplasticpolyester(TP)material,whichmaybeusedasthebasisforspecifications.Itcoverspolyesterhomopolymersformouldingandextrusionbasedonpoly(ethyleneterephthalate)(PET),poly(butyleneterephthalate)(PBT),poly(cyclohexylenedimethyleneterephthalate)(PCT),poly(ethylenenaphthalate)(PEN)andotherTP-typesandcopolyestersofvariouscompositionsformouldingandextrusion.2Thetypesofthermoplasticpolyesteraredifferentiatedfromeachotherbyaclassificationsystembasedonappropriatelevelsofthedesignatoryproperties:a)viscositynumberb)tensilemodulusofelasticityandoninformationabouttheintendedapplicationand/ormethodofprocessing,importantproperties,additives,colorants,fillersandreinforcingmaterials.3ThispartofISO7792isapplicabletothermoplasticpolyesterhomopolymersandcopolymers.Itappliestomaterialsreadyfornormaluseintheformofpowder,granulesorpellets,unmodifiedormodifiedbycolorants,additives,fillers,etc.ThispartofISO7792doesnotapplytothesaturatedpolyester/esterandpolyether/esterthermoplasticelastomerscoveredbyISO14910.4Itisnotintendedtoimplythatmaterialshavingthesamedesignationgivenecessarilythesameperformance.ThispartofISO7792doesnotprovideengineeringdata,performancedataordataonprocessingconditionswhichmayberequiredtospecifyamaterialforaparticularapplicationand/ormethodofprocessing.Ifsuchadditionalpropertiesarerequired,theyshallbedeterminedinaccordancewiththetestmethodsspecifiedinpart2ofthisInternationalStandard,ifsuitable.5Inordertospecifyathermoplasticpolyestermaterialforaparticularapplicationortoensurereproducibleprocessing,additionalrequirementsmaybegivenindatablock5.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:18P.;A4
【正文语种】:英语


【英文标准名称】:Maritimenavigationandradiocommunicationequipmentandsystems-Digitalinterfaces-Part410:Multipletalkersandmultiplelisteners;Shipsystemsinterconnection;Transportprofilerequirementsandbasictransportprofile
【原文标准名称】:海上导航和无线电通信设备及系统数字接口第410部分:多通话器和多受话器船舶系统互连运输文件集要求和基本运输文件集
【标准号】:IEC61162-410-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC80
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;定义;电气工程;数字信号;无线电接收机;造船工程;无线电发射机;接口;船舶用无线电通信设备;无线电设备;导航辅助设备;无线电导航;船舶导航
【英文主题词】:Datacommunication;Datatransfer;Definitions;Digitalsignals;Electricalengineering;Interconnection;Interfaces(dataprocessing);Marinenavigation;Marineradioservice;Navalengineering;Navigationalaids;Radioequipment;Radioreceivers;Radiotransmitters;Radionavigation;Receivers;Transmitters
【摘要】:ThispartofIEC61162-4definesthegeneralrequirementsoftheT-profileandthreeimplementationsoftheT-profileovertheInternetV4(IPV4)protocolsuite.Part400ofthisstandarddefinestherelationshipbetweenthedifferentprotocollevels(T-profile,A-profileandcompanionstandards)andpart401definestheA-profile,theimmediateuseroftheprotocolleveldefinedinthispart.ThedifferentcomponentsoftheIEC61162-4standardaredefinedinIEC61162-400.TheT-profileisthespecificationofthecommunicationservicesandthecommunicationprotocolsusedbytheLNAtoimplementtheA-profilefunctionality.Basically,theT-profileconsistsofthefollowingcomponents:a)atransportlayerinterface(TLI)definitionthatspecifiestheservicesandthesemanticsthatwillbeavailabletotheapplicationleveloftheLNA(andinsomecasestheMAU).Thisincludesdatatransportaswellastimeandnetworkmanagementservices.TheTLIwillbegeneraltoallT-profilesandisdefinedinthispart410ofthestandard,b)AT-profileprotocoldefinitionthatspecifieshowtheservicesprovidedbytheTLIandadditionaltimedistributionandphysicalnetworkmanagementservicesareimplementedontheprotocollevel.Thispart410containsanumberofalternativeT-profileprotocolspecificationsusingtheInternetV4seriesofstandards.AdditionalpartsofthisstandardwilladdressotherT-profilesbasedonotherprotocolfamilies.NotethatthetimedistributionandnetworkmanagementfunctionalitymayormaynotincludespecificTLIservices.Forsomesystemsthisfunctionalitymaybeinterfacedtodirectlybytheunderlyingoperatingsystem.Notealsothattimedistributionandnetworkmanagementarenotstrictlyspeakingtransportrelatedprotocolfunctionality.However,theimplementationoftheseservicesisnormallydependentonthetransportprotocolsinuseandis,thus,placedintheT-profilepartofthestandard.ThepurposeofthisstandardistodefineanddescribetheservicesthatwillbeprovidedatthetransportlevelinterfaceinawaywhichiscompletelyindependentoftheunderlyingnetworkenvironmentaswellasdefiningonepossibleimplementationoftheseservicesovertheInternetV4protocols.Theseparationofserviceandprotocoldefinitionsallowsthespecificationofseveraldifferenttransportprofiles,eachonededicatedtoaspecificnetworkenvironment,andtousethesametransportserviceinterfaceinallcases.Clause4definesthetransportlevelservicesandclause5describesthetransportlayerinterfacethroughwhichtheservicesareoffered.Theseclausesdefinethegeneral,networkindependentservices.Clause6definesthetransportprofilearchitectureforredundantEthernetandInternetprotocolsversion4(IPV4).Clause7definesthearchitectureforalocalareanon-redundantInternetnetwork.TheseclausesdefinetwospecificimplementationsoftheT-profileservices.Clause8definesasimpleMAU-LNAprotocolforuseoverwideareanetwork(WAN)TCP/IPlinks.ThiscanbeusedtoimplementaWANarchitecturefortheoverallsystem.TheWANarchitectureisnotintendedforintegratedshipcontrolsystems,butcanbeusedforremotetestintegrationandremotemaintenanceanddiagnostics.TheWANprotocolcanalsobeusedtosupportMAUsthatarelocatedinotherhostcomputersthantheLNA,butononelocalnetwork(conformanceclass4).
【中国标准分类号】:U66
【国际标准分类号】:47_020_70
【页数】:62P.;A4
【正文语种】:英语