求TIA/EIA-571-A 和ETSI EN 300 019-2

bushzhang

1.求TIA/EIA-571-A通讯用户前提设备环境考虑
TIA/EIA-571-A通讯用户前提设备环境考虑
标准号TIA/EIA-571-A
中文名称通讯用户前提设备环境考虑
英文名称TelecommunicationsUserPremisesEquipmentEnvironmentalConsiderations
发布日期1999-05-01
工作组TR-41.7
专业类型电信
标准状态与ANSI/TIA/EIA-571-A-99等效;
摘要Thisdocumentestablishesenvironmentalconditionswhichshouldbeaddressedinthedesignofequipmentforinterfacingandconnectingwiththevariouselementsofthepublictelephonenetwork.ItisintendedasacompanionstandardforPrivateBranchExchanges,KeyTelephoneSystems,Telephonesandothercustomerterminalequipmentstandardsthatmaybegenerated.Itdefinesphysical,electrical,andmechanicalconditionstowhichtheequipmentmaybeexposed.
页数33
2.求ETSIEN300019-2
Title:EnvironmentalEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipmentart1-0:Classificationofenvironmentalconditions;Introduction
3.请教该如何填写。
TestRequirementsRecommendedSeverityComments
OutdoorEnclosures        UL50,NEMA(e.g.4X)        IEC60529(IngressProtection,e.g.IP65)        NEMARating?IPCRating?

guo1836

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