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IEC 61280-4-1-2003 纤维光学通信子系统试验程序.第4-1部分:光缆设备及链接.多模光缆设备的衰减测量

作者:标准资料网 时间:2024-05-02 18:13:21  浏览:9821   来源:标准资料网
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【英文标准名称】:Fibre-opticcommunicationsubsystemtestprocedures-Part4-1:Cableplantandlinks;Multimodefibre-opticcableplantattenuationmeasurement
【原文标准名称】:纤维光学通信子系统试验程序.第4-1部分:光缆设备及链接.多模光缆设备的衰减测量
【标准号】:IEC61280-4-1-2003
【标准状态】:作废
【国别】:国际
【发布日期】:2003-09
【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/SC86C
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;光波导;光学;纤维光学;试验;电缆设备;多模光纤;衰减常数;电信;电缆
【英文主题词】:Attenuationconstant;Attenuationfactors;Attenuations;Cableplants;Cables;Electricalengineering;Fibreoptics;Installations;Measurement;Multimodefibres;Opticalwaveguides;Optics;Precision;Telecommunications;Testing
【摘要】:ThispartofIEC61280establishespreferredmeasurementprinciplesandpracticestoassurethatmeaningfuldatadescribingtheopticallossperformanceofinstalledcableplantscanbeobtained.Itisnotintendedforcomponenttesting,nordoesitdefinethoseelementsofaninstallationthatneedtobemeasured.Establishmentofrequirementsforinstallation,maintenance,repairorconformancetestingislefttothespecifierofthistestmethod.ThisprocedureisaspecifictestassociatedwithIEC61281-1.Thisprocedurecanbeusedtomeasuretheopticallossbetweenanytwopassivelyconnectedpoints,includingendterminations,ofamultimodeopticalfibrecableplant.Theopticalfibrecableplant,asthetermisusedhere,mayconsistofopticalfibrecables,connectors,mountingpanels,jumpercables,andotherpassivecomponents,butmaynotincludeactivecomponents.AnexampleofacableplantcouldbeaportionofaLED(lightemittingdiode)-basedlocalareanetwork.Thiscouldincludeopticalswitchesorcouplers,butwouldexcludegainelementsintheconnectedpath.Theaccuracyofthistestmethoddependsuponproperselectionofthetestmethodscontainedhereinandotherfactors.RefertoAnnexBforadditionalinformation.Thistestmethodutilizestestjumperstofacilitateafieldmeasurementthatincludesalllosselementswithinthecableplant.Itmay,thereforedependingonthemethodchosen,includeconnectionlossesthatdonotappearinmethodBofIEC60793-1-40-insertionlosstechnique(forfibres).Forguidanceinselectingamethod,refertoAnnexB.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:46P;A4
【正文语种】:英语


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【英文标准名称】:Inhalationalnitricoxidesystems.Supplysystems
【原文标准名称】:氧化氮吸入系统.供应系统
【标准号】:BSDDCEN/TS14507-2-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-04-11
【实施或试行日期】:2003-04-11
【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】:清洁(度);速卸联轴节;储气瓶;作标记;材料强度;压力调节器;医用气体;氧化氮;呼吸作用;供应系统;混合气体;医疗设备;特性;压力计;医学科学;材料;警报装置;钢气瓶阀;定义;危害;文献工作;稳定性;压力过载;包装件;呼吸设备;安全;吸入装置;试验;规范(验收);减轻的;吸入
【英文主题词】:Alarmdevices;Breathingequipment;Cleanliness;Definitions;Documentations;Gascylinders;Gasmixtures;Hazards;Inhalantdevice;Inhalation;Marking;Materials;Medicalequipment;Medicalgases;Medicalsciences;Nitricoxide;Packages;Pressuregauges;Pressureoverload;Pressureregulators;Properties;Quickreleasecouplings;Relieving;Respiration;Safety;Specification(approval);Stability;Strengthofmaterials;Supplysystems;Testing;Valveforsteelcylinders
【摘要】:1.1ThisPartofCEN/TS14507appliestosystemsforthesupplyofnitricoxide/nitrogenmixturestoadeliveryandmonitoringsystemcomplyingwithCEN/TS14507-1fortreatmentofonepatientatatime,inahealthcarefacility.1.2ThisPartofCEN/TS14507appliestosupplysystemswithcylindersatafillingpressureupto20000kPaandconcentrationsupto1000μl/lofnitricoxideinnitrogen.1.3RThisPartofCEN/TS14507doesnotapplyto:·pipelinesystemsfordeliveryofnitricoxide/nitrogenmixturestomorethanonepatientatatime;·supplysystemsfornitricoxide/nitrogenmixturesintendedforuseinhomecare,emergencyandtransport.
【中国标准分类号】:C47
【国际标准分类号】:11_040_10
【页数】:18P.;A4
【正文语种】:英语


【英文标准名称】:Toolsforpressing-Elastomerpressuresprings-Part1:Generalspecification(ISO10069-1:2008)
【原文标准名称】:冲压工具.弹性体压缩弹簧.第1部分:通用规范(ISO10069-1-2008)
【标准号】:DINISO10069-1-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Chloroprenerubber;Compressionloading;Compressionsprings;CR;Designations;Dimensions;Elastomers;Feathers;Finishes;Force;Hardness;Machinetoolcomponents;Marking;Materials;Polyurethane;Presstools;Pressworkingsofmetals;Pressure;Pressuresprings;Ratedstrength(ofwires);Ratings;Rubber;Rubberproducts;Specification(approval);Springs;Surfaceroughness;Tools;Vulcanizedrubber
【摘要】:
【中国标准分类号】:J26
【国际标准分类号】:21_160;25_120_10
【页数】:14P;A4
【正文语种】:英语



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