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【英文标准名称】:Telecommunications-TelephoneTerminalEquipment-ResistanceandImpedancePerformanceRequirementsforAnalogTelephones
【原文标准名称】:电信.电话终端设备.模拟电话用电阻和阻抗的性能要求
【标准号】:ANSI/TIA-470-210-D-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:阻抗;性能要求;电阻;电信;电话设备;终端
【英文主题词】:Impedance;Performancerequirements;Resistance;Telecommunications;Telephoneequipment;Terminals
【摘要】:ThisdocumentisaTIATelecommunicationsstandardproducedbySubcommitteeTR-41.3ofCommitteeTR-41.ThisStandardwasdevelopedinaccordancewithTIAproceduralguidelinesandrepresentstheconsensuspositionoftheSubcommittee,whichservedastheformulatinggroup.ItisoneofagroupofstandardsintheTIA-470seriesprovidingperformancerequirementsforanalogtelephones.ItisarevisionofTIA-470.210-C.
【中国标准分类号】:M40
【国际标准分类号】:33_050_10
【页数】:
【正文语种】:英语


【英文标准名称】:StandardPracticeforMeasurementofEquipment-GeneratedContinuousNoiseforAssessmentofHealthHazards
【原文标准名称】:评定对健康危害用设备发出连续不断噪音测量的标准实施规程
【标准号】:ASTME2202-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E33.08
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aircraft;equipment;groundvehicles;noisecontours;steadynoise;watercraft
【摘要】:Thisstandarddefinesmeasurementproceduresforestimatingtheriskofnoise-inducedhearinglossamongusersofnoiseproducingequipment.Itisapplicabletogroundvehicles,aircraft,watercraft,andmobile,transportable,andstationaryequipment.Theprimaryapproachistoseparatelymeasurethesoundlevelatoperatorearlocationsforeachnormaloperatingcondition.Theselevelscanbecombinedwithoperationalusescenariosandexposurecriteriatodefinenoiseexposureseverity.Thedatacanalsobeusedtodefinehearingprotectionrequirementsoradministrativecontrolstoprecludehearinghazard.Thepracticehasthefollowinglimitations:5.2.1Thepracticeusesfieldportablemeasurementequipment.5.2.2Thepracticeproducesdatawhichmaybecomparedwithapplicablecriteriaorlimitsifthelimitsareintermsofthequantitiesmeasuredinthisstandardorwhichcanbecalculatedfromthemeasureddata.1.1Thisstandarddefinesnoisemeasurementproceduresforestimatingtheriskofhearinglossamongusersofnoiseproducingequipment.Itisapplicabletogroundvehicles,aircraft,watercraft,andothermobile,transportable,orstationaryequipment.1.2Thisstandarddoesnotrecommendnoiseexposurelimitlevelsorcriteriaforanyapplicationdiscussed.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:5P.;A4
【正文语种】: