标准资料网-标准资料免费资源平台

【英文标准名称】:Fibreopticactivecomponentsanddevices-Packageandinterfacestandards-SFFMUduplex10-pintransceivers
【原文标准名称】:光纤有源元件及器件.部件和接口标准.SFFMU双向10针无线电收发信机
【标准号】:BSEN62148-9-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-05-29
【实施或试行日期】:2003-05-29
【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】:Fibreoptics;Opticalfibres;Telecommunication;Communicationtechnology;Interfaces;Transceivers;Duplextransmission
【英文主题词】:Amplifiers;Basicspecification;Components;Connections;Contour;Definitions;Duplex;Electricalengineering;Electronicengineering;Enclosures;Fibreoptics;Interfacesofelectricalconnections;Measuringtechniques;Mechanicalinterfaces;Opticalfibres;Opticalinterfaces;Opticalwaveguides;Optics;Optoelectronics;Pinconfiguration;Semiconductors;Signals;Terminalareas;Testing;Transceivers
【摘要】:ThispartofIEC62148coversthephysicalinterfacespecificationsfortheSFFMUduplex10-pinfibreoptictransceivermodulefamily.Theintentofthisdocumentistoadequatelyspecifythephysicalrequirementsofanopticaltransceiverthatwillenablemechanicalinterchangeabilityoftransceiverscomplyingwiththisstandardbothattheprintedcircuitwiringboardandforanypanel-mountingrequirement.
【中国标准分类号】:M33
【国际标准分类号】:33_180_30
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:Opticalfibres-Part1-42:Measurementmethodsandtestprocedures-Chromaticdispersion
【原文标准名称】:光纤.第1-42部分:测量方法和试验程序.色散
【标准号】:IEC60793-1-42-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-06
【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/SC86A
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;色散;尺寸;电气工程;包络(线)时延;光纤;玻璃纤维电缆;玻璃纤维;纤维梯度;测量;测量技术;单模纤维;多模纤维;光波导;光电子学;性能;规范(验收);测试;测试装置
【英文主题词】:Cables;Chromaticdispersion;Dimensions;Dispersion;Dispersion(waves);Electricalengineering;Envelopedelay;Fibreoptics;Glassfibrecables;Glassfibres;Gradientfibres;Measurement;Measuringtechniques;Monomodefibres;Multimodefibres;Opticalwaveguides;Optoelectronics;Properties;Specification(approval);Testing;Testingdevices
【摘要】:ThispartofIEC60793establishesuniformrequirementsformeasuringthechromaticdispersionofopticalfibre,therebyassistingintheinspectionoffibresandcablesforcommercialpurposes.Chromaticdispersionvarieswithwavelength.Somemethodsandimplementationsmeasurethegroupdelayasafunctionofwavelengthandthechromaticdispersionanddispersionslopearededucedfromthederivatives(withrespecttowavelength)ofthisdata.Thisdifferentiationismostoftendoneafterthedataarefittedtoamathematicalmodel.Otherimplementationscanallowdirectmeasurement(ofthechromaticdispersion)ateachoftherequiredwavelengths.Forsomecategoriesoffibre,thechromaticdispersionattributesarespecifiedwiththeparametersofaspecificmodel.Inthesecases,therelevantrecommendationorstandarddefinesthemodelappropriateforthedefinitionofthespecifiedparameters,Forotherfibrecategories,thedispersionisspecifiedtobewithinagivenrangeforoneormorespecifiedwavelengthintervals.Inthelattercase,eitherdirectmeasurementsmaybemadeatthewavelengthextremesorsomefittingmodelmaybeusedtoalloweithergroupdelaymeasurementmethodsorimplementationsorstorageofareducedsetofparametersthatmaybeusedtocalculatetheinterpolateddispersionforparticularwavelengthswhichmaynothaveactualdirectmeasurementvalues.AnnexEgivesageneraldescriptionofchromaticdispersionfittingandoutlinesanumberoffittingequationssuitableforusewithanyofthemeasurementmethodsorfibrecategories.Thisstandardgivesfourmethodsformeasuringchromaticdispersion:-methodA:phaseshift;-methodB:spectralgroupdelayinthetimedomain;-methodC:differentialphaseshift;-methodD:interferometry.MethodsA,B,andCapplytothemeasurementofchromaticdispersionofthefollowingfibresoveraspecifiedwavelengthrange:-classA1graded-indexmultimodefibres;-categoryA4f,A4gandA4hmultimodefibres;-classBsingle-modefibres(allcategories).MethodDappliestothemeasurementofchromaticdispersionvaluesofsingle-modefibrescategoriesB1,B2,B4andB5overthe1000nmto1700nmwavelengthrange.Themethodscanbeappliedtolaboratory,factoryandfieldmeasurementsofchromaticdispersion,andthewavelengthrangeofthemeasurementscanbetailoredasrequired.MeasurementsaremadeattemperatureasstatedinIEC60793-1-1,Table1-Standardrangeofatmosphericconditions(Temperature23°C±5°C).Themethodsaresuitableforfibreorcablelengthsgreaterthan1km.Theymayalsobeappliedtoshorterlengths,butaccuracyandrepeatabilitymaybecompromised.MethodDisthepreferredmethodforshorterpiecefibres(1mto10m).InformationcommontoallmethodsiscontainedinClauses1-8,andinformationpertainingtoeachindividualmethodappearsinAnnexesA,B,C,andD,respectively.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:65P;A4
【正文语种】:英语