ITU-T K34-1996 CLASSIFICATION OF ELECTROMAGNETIC ENVIRONMENTAL

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1、INTERNATIONALTELECOMMUNICATIONUNION)45 4+TELECOMMUNICATION(05/96)STANDARDIZATIONSECTOROFITUSERIESK:PROTECTIONAGAINSTINTERFERENCE#LASSIFICATIONOFELECTROMAGNETICENVIRONMENTALCONDITIONSFORTELECOMMUNICATIONEQUIPMENTFASTTRANSIENTANDRADIO FREQUENCYPHE

2、NOMENAITU-TRecommendationK.34(Previously(“CCITTRecommendation”)ITU-TRECOMMENDATIONSSERIESSeriesAOrganizationoftheworkoftheITU-TSeriesBMeansofexpressionSeriesCGeneraltelecommunicationstatisticsSeriesDGeneraltariffprinciplesSeriesETelephonenetworkandISDNSeriesF

3、Non-telephonetelecommunicationservicesSeriesGTransmissionsystemsandmediaSeriesHTransmissionofnon-telephonesignalsSeriesIIntegratedservicesdigitalnetworkSeriesJTransmissionofsound-programmeandtelevisionsignalsSeriesKProtectionagainstinterferenceSeriesLConstruc

4、tion,installationandprotectionofcablesandotherelementsofoutsideplantSeriesMMaintenance:internationaltransmissionsystems,telephonecircuits,telegraphy,facsimileandleasedcircuitsSeriesNMaintenance:internationalsound-programmeandtelevisiontransmissioncircuitsSeri

5、esOSpecificationsofmeasuringequipmentSeriesPTelephonetransmissionqualitySeriesQSwitchingandsignallingSeriesRTelegraphtransmissionSeriesSTelegraphservicesterminalequipmentSeriesTTerminalequipmentsandprotocolsfortelematicservicesSeriesUTelegraphswitchingSeriesV

6、DatacommunicationoverthetelephonenetworkSeriesXDatanetworksandopensystemcommunicationSeriesZProgramminglanguagesFOREWORDTheITU-T(TelecommunicationStandardizationSector)isapermanentorganoftheInternationalTelecommunicationUnion(ITU).TheITU-Tisresponsibleforstud

7、yingtechnical,operatingandtariffquestionsandissuingRecommen-dationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationConference(WTSC),whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-TStudyG

8、roupswhich,intheirturn,produceRecommendationsonthesetopics.TheapprovalofRecommendationsbytheMembersoftheITU-TiscoveredbytheprocedurelaiddowninWTSCResolutionNo.1(Helsinki,March1-12,1993).I