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【英文标准名称】:Symmetricalpair/quadcablesfordigitalcommunications-Part4-1:Symmetricalpair/quadcableswithtransmissioncharacteristicsupto1000MHz-ConductorheatingofbundleddatagradecablesforlimitedpowertransmissionbasedonIEEE802.3
【原文标准名称】:数字通信用对绞或星绞对称电缆.第4-1部分:传输特性1000MHz以下的数字通信用对绞或星绞对称电缆.基于IEEE802.3的极限输电用导体加热的成束基准标高电缆
【标准号】:IEC/PAS61156-1-4-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-06
【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/SC46C
【标准类型】:()
【标准水平】:()
【中文主题词】:空白格式;电缆结构;电缆护套;电缆;通信电缆;数据网络;数据传送;定义;数字工程;数字信号;尺寸;电气工程;电气测试;阻抗;绝缘件;LAN;测量;测量技术;机械测试;多芯电缆;双股线;性能;回程损耗;护套电缆;规范;对称的;通信;电信;试验;传输;传输特性;布线
【英文主题词】:Blankforms;Cableconstruction;Cablesheaths;Cables;Communicationcables;Datanetwork;Datatransfer;Definitions;Digitalengineering;Digitalsignals;Dimensions;Electricalengineering;Electricaltesting;Impedance;Insulations;LAN;Measurement;Measuringtechniques;Mechanicaltesting;Multicorecables;Pairsofwires;Properties;Returnloss;Sheathedcables;Specification;Symmetrical;Telecommunication;Telecommunications;Testing;Transmission;Transmissioncharacteristics;Wiring
【摘要】:ThisPASisatechnicalsupplementtoIEC61156-1,edition3(2007):Multicoreandsymmetricalpair/quadcablesfordigitalcommunications–Part1:Genericspecification.ThisPAS,coveringexclusivelyfour-pairdatagradecables,isintendedtoprovideatestmethodforthedeterminationofthemaximumattainedconductortemperatureswhichoccurduetothedeploymentoftheIEEEprotocolforPoE/PoEP.Itgivesaswelltherequiredbackgroundinformationaboutthethermodynamicbehaviourofsuchbundledcables,iftheyarelocatedinareaswithrestrictedheatdissipation,arealitywhichoccursineveryinstallationsituation.However,onlythebasicprinciplesaregiven,astherigorousapplicationandsolutionoftheseproblemsfallintotherelevantcablingstandards.
【中国标准分类号】:K13
【国际标准分类号】:33_120_20
【页数】:46P;A4
【正文语种】:英语


【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents–Basictestandmeasurementprocedures––Part2-44:Tests–Flexingofthestrainreliefoffibreopticdevices
【原文标准名称】:光纤互连器件和无源元件.基本试验和测量程序.第2-44部分:试验.光纤器件应力消除的可挠性
【标准号】:BSEN61300-2-44-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-02-28
【实施或试行日期】:2009-02-28
【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】:弯曲;抗弯强度;电缆夹;光缆;元部件;电气工程;挠性;玻璃纤维光缆;载荷试验;单模纤维;多模纤维;光波导;应力消除;抗拉荷载;试验
【英文主题词】:Bending;Bendingstrength;Cableclamps;Cables;Components;Electricalengineering;Flexibility;Glassfibrecables;Loadingtests;Monomodefibres;Multimodefibres;Opticalwaveguides;Strainrelief;Tensileloading;Testing
【摘要】:ThispartofIEC61300specifiesatesttodeterminetheinfluenceofaflexingundertensileloadofthestrainreliefoffibreopticdevices.Theintensionistosimulatethenumberofflexingwhichwouldtypicallybeexperiencedduringservice.Thistestisappliedtobothsinglefibrecableandmultiplefibrecable.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:14P.;A4
【正文语种】:英语