SIST EN 300 673:2000

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Elektromagnetna združljivost (EMC) in zadeve v zvezi z radijskim spektrom (ERM) - Standard elektromagnetne združljivosti (EMC) za opremo VSAT (satelitski terminal z manjšo anteno), ki deluje na 4/6 GHz in 11/12/14 GHz, in opremo prenosljivih zemeljskih postaj (TES) za satelitsko novinarstvo (SNG), ki delujejo na 11/12/13/14 GHzElectromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for Very Small Aperture Terminal (VSAT), Satellite News Gathering (SNG), Satellite Interactive Terminals (SIT) and Satellite User Terminals (SUT) Earth Stations operated in the frequency ranges between 4 GHz and 30 GHz in the Fixed Satellite Service (FSS)33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.070.40SatelitSatellite33.060.01Radijske komunikacije na splošnoRadiocommunications in generalICS:Ta slovenski standard je istoveten z:EN 300 673 Version 1.2.1SIST EN 300 673:2000en01-julij-2000SIST EN 300 673:2000SLOVENSKI
STANDARD



SIST EN 300 673:2000



ETSIEN300673V1.2.1(2000-03)CandidateHarmonizedEuropeanStandard(Telecommunicationsseries)ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforVerySmallApertureTerminal(VSAT),SatelliteNewsGathering(SNG),SatelliteInteractiveTerminals(SIT)andSatelliteUserTerminals(SUT)EarthStationsoperatedinthefrequencyrangesbetween4GHzand30GHzintheFixedSatelliteService(FSS)SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)2ReferenceREN/ERM-EMC-201KeywordsEMC,radio,satellite,testing,VSATETSIPostaladdressF-06921SophiaAntipolisCedex-FRANCEOfficeaddress650RoutedesLucioles-SophiaAntipolisValbonne-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88Internetsecretariat@etsi.frIndividualcopiesofthisETSIdeliverablecanbedownloadedfromhttp://www.etsi.orgIfyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frImportantnoticeThisETSIdeliverablemaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.63Definitionsandabbreviations.73.1Definitions.73.2Abbreviations.84Generaltestconditions.84.1Testconditions.84.2Arrangementsfortests.95Performanceassessment.95.1General.95.2Equipmentconfiguration(s).105.3Equipmentclassification.116Performancecriteria.116.1General.116.2Performancecriteria(C)forContinuousphenomenaappliedtotheEUT.116.3Performancecriteria(TA)forTransientphenomenaappliedtoagradeAEUT.126.4Performancecriteria(TB)forTransientphenomenaappliedtoagradeBEUT.127Overviewtables.137.1Emission.137.2Immunity.138TestmethodsandlimitsforemissiontestsofEUT.148.1Testconfiguration.148.2Enclosure30MHzto1000MHz.148.2.1Purpose.148.2.2Testmethod.148.2.3Limits.158.3DCpowerinput/outputport.158.3.1Purpose.158.3.2Testmethod.158.3.3Limits.158.4ACmainspowerinput/outputport.168.4.1Purpose.168.4.2Testmethod.168.4.3Limits.168.5Harmoniccurrentemissions(ACmainsinputport).168.6Voltagefluctuationsandflicker(ACmainsinputport).169TestmethodsandlevelsforimmunitytestsforEUT.179.1Testconfiguration.179.2Radiofrequencyelectromagneticfield(80to1000MHz).179.2.1Purpose.179.2.2Testmethodandlevel.179.2.3Performancecriteria.179.3Electrostaticdischarge.189.3.1Purpose.189.3.2Testmethodandlevels.189.3.3Performancecriteria.189.4Fasttransientscommonmode.189.4.1Purpose.18SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)49.4.2Testmethodandlevels.189.4.3Performancecriteria.199.5RFcommonmode,0,15MHzto80MHz(currentclampinjection).199.5.1Purpose.199.5.2Testmethodandlevel.199.5.3Performancecriteria.199.6Voltagedipsandinterruptions.199.6.1Purpose.199.6.2Testmethodandlevels.209.6.3Performancecriteria.209.7Surges,commonanddifferentialmode.209.7.1Purpose.209.7.2Testmethodandlevels.209.7.3Performancecriteria.21AnnexA(normative):Clausesand/orsubclausesforcompliancewiththeessentialrequirementsoftheECCouncilDirectives.22AnnexB(normative):DefinitionsoftheESwithinthescopeofthepresentdocument.23B.1TransmitonlyandTransmitandreceiveKubandVSATs.23B.2Receive-onlyKubandVSATs.23B.3TransmitonlyandTransmitandreceiveCbandVSATs.24B.4Receive-onlyCbandVSATs.24B.5SatelliteNewsGathering(SNG)KubandTransportableEarthStations(TESs).25B.6SatelliteInteractiveTerminals(SITs).26B.7SatelliteUserTerminals(SUTs)transmittinginthefrequencyrange29,5GHzto30,0GHz.27B.8SatelliteUserTerminals(SUTs)transmittinginthefrequencyrange27,5GHzto29,5GHz.27History.29SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinSR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisCandidateHarmonizedEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeElectromagneticcompatibilityandRadiospectrumMatters(ERM).ThepresentdocumenthasbeenproducedbyETSIinresponsetoamandatefromtheEuropeanCommissionissuedunderCouncilDirective98/34/EC(asamended)layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.Thepresentdocument,isintendedtobecomeaHarmonizedStandard,thereferenceofwhichwillbepublishedintheOfficialJournaloftheEuropeanCommunitiesreferencingtheCouncilDirectiveontheapproximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility("theEMCDirective")(89/336/EEC[3]asamended)andrelatingtoArticle3.1.b)oftheR&TTEDirective99/5/EC.TechnicalspecificationsrelevanttotheEMCDirectivearegiveninannexA.ThepresentdocumentisbasedupontheGenericStandardsEN50081-1[1]andEN50082-1[2]andotherstandards,whereappropriatetomeettheessentialrequirementsofCouncilDirective89/336/EEC[3].ForequipmentwhichcanbeconnectedtotheACmainsupply,ofEN61000-3-2[12]andEN61000-3-3[13]alsoapplywhereappropriatefrom1-1-2001.NationaltranspositiondatesDateofadoptionofthisEN:18February2000DateoflatestannouncementofthisEN(doa):31May2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30November2000DateofwithdrawalofanyconflictingNationalStandard(dow):31May2003SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)61ScopeThepresentdocumentcoverstheassessmentofVerySmallApertureTerminals(VSAT),SatelliteNewsGathering(SNG)TransportableEarthStations(TESs),SatelliteInteractiveTerminals(SITs)andSatelliteUserTerminals(SUTs)inrespectofElectromagneticCompatibility(EMC).Technicalspecificationsrelatedtotheantennaportandemissionsfromtheenclosureportoftheequipment,arenotincludedinthepresentdocument.Suchspecifictechnicalspecificationsarefoundintherelevantproductstandardsfortheeffectiveuseoftheradiospectrum.ThepresentdocumentspecifiestheapplicableEMCtests,thelimits,andtheminimumperformancecriteriafortheEarthStations(ES)definedinannexB.TheenvironmentclassificationusedinthepresentdocumentreferstotheenvironmentclassificationusedintheGenericStandardsEN50081-1[1]andEN50082-1[2].TheEMCrequirementshavebeenselectedtoensureanadequatelevelofcompatibilityforapparatusinresidential,commercialandlightindustrialenvironments.Thelevels,however,donotcoverextremecaseswhichmayoccurinanylocationbutwithalowprobabilityofoccurrence.Thepresentdocumentmaynotcoverthosecaseswhereapotentialsourceofinterferencewhichisproducingindividuallyrepeatedtransientphenomenaoracontinuousphenomenonispresent,e.g.aradarorbroadcastsiteinthenearvicinity.Insuchacaseitmaybenecessarytousespecialprotectionappliedtoeitherthesourceofinterference,ortheinterferedpartorboth.ComplianceofESequipmenttotherequirementsofthepresentdocumentdoesnotimplycompliancetoanyrequirementrelatedtotheuseofthisES(e.g.licensingrequirements).Compliancetothepresentdocumentdoesnotsignifycompliancetoanysafetyrequirements.However,itistheresponsibilityoftheassessoroftheequipment,thatanyobservationsregardingapparatusbecomingdangerousorunsafeasaresultoftheapplicationofthetestsofthepresentdocument,shouldberecordedinthetestreport.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.•Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.•Foraspecificreference,subsequentrevisionsdonotapply.•Foranon-specificreference,thelatestversionapplies.•Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]EN50081-1:"Electromagneticcompatibility-genericemissionstandard.Part1:Residential,commercialandlightindustry".[2]EN50082-1:"Electromagneticcompatibility-genericimmunitystandard.Part1:Residential,commercialandlightindustry".[3]89/336/EEC:"CouncilDirectiveontheapproximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility"asamendedby92/31/EEC:"CouncilDirectiveamending89/336/EEC".[4]EN55022:"Limitsandmethodsofmeasurementofradiodisturbancecharacteristicsofinformationtechnologyequipment".[5]CISPR16-1:"Specificationforradiodisturbanceandimmunitymeasuringapparatusandmethods;Part1:Radiodisturbanceandimmunitymeasuringapparatus".SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)7[6]EN61000-4-3:"Electromagneticcompatibility(EMC)-Part4:Testingandmeasurementtechniques-Section3:Radiated,radio-frequencyelectromagneticfieldimmunitytest".[7]EN61000-4-2:"Electromagneticcompatibility(EMC);Part4:Testingandmeasurementtechniques;Section2:Electrostaticdischargeimmunitytest;BasicEMCpublication".[8]EN61000-4-4:"ElectromagneticCompatibility(EMC);Part4:Testingandmeasurementstechniques-Section4:Electricalfasttransient/burstimmunitytest.BasicEMCpublication".[9]EN61000-4-6:"ElectromagneticCompatibility(EMC);Part4:Testingandmeasurementtechniques-Section6:Immunitytoconducteddisturbances,inducedbyradio-frequencyfields".[10]EN61000-4-11:"ElectromagneticCompatibility(EMC);Part4:Testingandmeasurementstechniques-Section11:Voltagedips,shortinterruptionsandvoltagevariationsimmunitytests-BasicEMCpublication".[11]EN61000-4-5:"ElectromagneticCompatibility(EMC)-Part4:Testingandmeasurementstechniques-Section5:Surgeimmunitytest".[12]EN61000-3-2(1995):"Electromagneticcompatibility(EMC)-Part3:Limits-Section2:Limitsforharmoniccurrentemissions(equipmentinputcurrent≤16Aperphase)".[13]EN61000-3-3(1995):"Electromagneticcompatibility(EMC)-Part3:Limits-Section3:Limitsofvoltagefluctuationsandflickerinlow-voltagesupplysystemsforequipmentwithratedcurrent≤16Aperphase".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:ancillaryequipment:equipmentusedinconnectionwithanESisconsideredasancillaryifthefollowingthreeconditionsaremet:-theequipmentisintendedforuseinconjunctionwithanEStoprovideadditionaloperationaland/orcontrolfeatures(e.g.toextendcontroltoanotherpositionorlocation);and-theequipmentcannotbeusedonastandalonebasistoprovideuserfunctionsindependentlyofanES;and-theabsenceoftheequipmentdoesnotinhibittheoperationoftheES.carrier-onstate:transmitESisinthisstatewhenitisauthorizedtotransmit,andwhenittransmitsasignal,eitherauthorizedbyaCentralizedControlandMonitoringFunction(CCMF)oraNetworkControlFacility(NCF)whendesignedforunattendedoperationorbylocalcontrolwhendesignedforattendedoperation.carrier-offstate:transmitESisinthisstatewhenitisauthorizedtotransmit,andwhenitdoesnottransmitanysignal,eitherauthorizedbyaCCMForaNCFwhendesignedforunattendedoperationorbylocalcontrolwhendesignedforattendedoperation.NOTE:Theexistenceofacarrier-offstatedependsonthesystemoftransmissionused.ForESdesignedforcontinuoustransmissionmodetheremaybenocarrier-offstate.enclosureport:physicalboundaryoftheapparatusthroughwhichanelectromagneticfieldmayradiateorimpinge(figure1).port:particularinterfaceofthespecifiedapparatuswiththeexternalelectromagneticenvironment(figure1).SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)8DCpowerportACpowerportEnclosureportEarthportAntennaportAPPARATUSSignal/controlportFigure1:Examplesofportstransmissiondisabledstate:transmitESisinthisstatewhenitisnotauthorizedtotransmiteitherbyaCCMForaNCFrespectivelywhendesignedforunattendedoperationorbylocalcontrolwhendesignedforattendedoperation.3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:CCMFCentralizedControlandMonitoringFunctionsCMFControlandMonitoringFunctionsEIRPEquivalentIsotropicallyRadiatedPowerEMCElectroMagneticCompatibilityESEarthStationEUTEquipmentUnderTestFSSFixedSatelliteServiceLISNLineImpedanceStabilizingNetworkLNBLowNoiseBlockconverterNCFNetworkControlFacilityQTMAQualityofTransmissionMeasurementApparatusRFRadioFrequencyrmsrootmeansquareSITSatelliteInteractiveTerminalsSNGSatelliteNewsGatheringSUTSatelliteUserTerminalsTESTransportableEarthStationVSATVerySmallApertureTerminal4Generaltestconditions4.1TestconditionsForEarthStationswithorwithoutancillaryequipment,and/orvariousterrestrialports,thenumberoftestconfigurationsshallbedetermined.TheassessmentshallincludesufficientrepresentativeconfigurationsoftheEStoadequatelyexercisetheequipment.Theseconfigurationsshallberecordedinthetestreport.Inthefollowingclauses,theEquipmentUnderTest(EUT)istheESwiththeselectedconfigurationofancillaryequipment.Theequipmentshallbetestedunderconditionswhicharewithinthemanufacturersdeclaredrangeofhumidity,temperature,andsupplyvoltage.Thetestconditionsshallberecordedinthetestreport.SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)94.2ArrangementsfortestsInordertomeasuretheunwantedemissionsandelectromagneticimmunityunderoperationalconditions,thefollowingarrangementsshallbeprovidedbythemanufacturer:a)aspecialtestequipmenttoputtheESterminalinitsnormaloperatingmode,andprovidingtheESwithareceivesignaltoemulatetheoperationalconditionsofreception.ThisequipmentshallcontroltheEUT,whenitiscapableoftransmission,sothatitswitchesbetweenthetransmissiondisabled,carrier-onandcarrier-offstates;b)thespecificQualityofTransmissionMeasurementApparatus(QTMA).ForthemeasurementofthequalityoftransmissionacommunicationslinkshallbeestablishedandthewantedinputsignalshallbeappliedtotheRadioFrequency(RF)inputofthereceiverviatheantenna.Fortestsonthereceiver,thelevelofthesignalreceivedfromthetesttransmittershallbeascloseaspossibletothenormaloperationleveloftheEUTreceiver.Careshouldbetakentoavoidthebroadbandnoisefromthepoweramplifierofthetesttransmitterfrominfluencingthemeasurement.Adequatemeasuresshallbetakentoavoidtheeffectsoftheunwantedsignalonthemeasuringequipment.Thespecialtestequipment,theQTMAandthesourceofthewantedinputsignalshallbelocatedoutsidethetestenvironment.Adequatemeasuresshallbetakentoprotectthemfromtheeffectsofalltheradiatedfieldswithinthetestenvironment.5Performanceassessment5.1GeneralThemanufacturershall,atthetimeofsubmissionoftheequipmentfortest,declaretheintendeduseoftheequipment,andprovidefullandcompletedocumentationnecessaryforuseroperation,testingandevaluationpurposes.Thisdocumentationshallinclude,butnotbelimitedto:-therangesoftheoperationalparameters,e.g.thepowerdeliveredtotheantenna,thefrequencyranges;-anexhaustivelistofports,classifiedaseitherpower,antennaorsignal/control.PowerportsshallfurtherbeclassifiedasACorDCpower;-theancillaryequipmenttobecombinedwiththeESfortesting,ifapplicable;-theuser-controlfunctionsthatarerequiredfornormaloperation;-theminimumqualityoftransmission,andthemethodtobeusedtoassessit.Thisinformationshallbeinaccordancewiththedocumentationaccompanyingtheequipment.Allthisinformationshallberecordedinthetestreport.SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)105.2Equipmentconfiguration(s)Forradiationmeasurementsincarrier-onstate,theESshallbeputinacontinuoustransmitmodeortothemaximumburstratewhereapplicable.TheESshallbeoperatedatthehighestnormaloperatingEquivalentIsotropicallyRadiatedPower(EIRP)or,ifthatisthemaximumattainable,then3dBbelowsuchmaximum.Asuggestedtestconfigurationisshowninfigure2.PowerAmplifierIndoorUnitPowerDividerPowerMeterCounterTestLoadReceiverLNBTestAntennaESAntennaTestTransmitterEUTTestSpectrumAnalyserQTMAQTMACouplerTestenvironmentFrequencyFigure2:SuggestedtestconfigurationForthetests,theESantennareflectorandthetestantennamayberemovedattheirflangesandbereplacedbyonedirectwaveguideconnection.ThefollowingtestequipmentshallbethemeanswherebythecorrectoperationoftheEUTisverified:a)thepowermetermeasurestheoutputpowerandisusedtoconfirmthetransmissiondisabled,carrier-onandcarrier-offstatesandoutputlevelconsistency;b)thefrequencycountermeasuresthecentrefrequencyoftheradiatedcarrierintheabsenceofmodulation;c)thespectrumanalysermeasuresthebandwidthofthetransmission;d)thetestreceiverisusedtodemodulatethetransmittedsignal;e)thetwoQTMAareusedinconjunctionwitheachothertoassessthequalityoftransmission;f)thetesttransmitterisusedtocontroltheswitchingbetweentransmissiondisabled,carrier-onandcarrier-offstatesbytransmittingthecontrolandmonitoringsignals.SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)115.3EquipmentclassificationTheequipmentareclassifiedintothetwogradesofserviceandforbothgradestherequirementsprovidedrepresent"theminimumentrytothemarketrequirement":-gradeAofESforwhichshortinterruptionsoftransmissionareacceptedduringimmunitytestingwithEMCtransientphenomena;-gradeBofESforwhichnoshortinterruptionoftransmissionisacceptedduringimmunitytestingwithEMCtransientphenomena.TheapplicablegradeAorBshallbedeclaredbythemanufacturer,itshallbeinaccordancewiththeinformationcontainedintheinstructionsaccompanyingtheES,andshallberecordedinthetestreport.6Performancecriteria6.1GeneralThedefinitionofthefunctionsoftheEUT,includingitsancillaryequipment,tobecheckedduringandaftertheEMCtestingshallbedeclaredbythemanufacturerandrecordedinthetestreport.Theequipmentshallmeettheminimumperformancecriteriaasspecifiedinsubclauses6.2,6.3and6.4andadditionallythefunctionsasdeclaredbythemanufacturer.6.2Performancecriteria(C)forContinuousphenomenaappliedtotheEUTTheEUTshallbeconsideredtosatisfytheimmunityspecificationsifthefollowingconditionsaremetduringandaftertheexposure:a)thequalityoftransmissionobservedisnoworsethanthatdeclaredbythemanufacturer(subclause5.1);b)theEUTisabletobeplacedinthetransmissiondisabledstate,anddoesnotleavethatstatewithoutbeingcommanded;c)whentheEUTisinthetransmissiondisabledstatethereisnochangeinthesignallevel;d)whentheEUTisinthecarrier-onstatethereisnochangeinthesignallevelorfrequency;e)whentheEUTisinthecarrier-offstatethereisnoincreaseofthesignallevel;f)fortransmittingESs,undernocircumstancesdoesthetransmitteroperateunintentionallyduringthetest;g)theEUToperatesasintendedwithnolossofusercontrolfunctions,storeddataandthecommunicationslink.SIST EN 300 673:2000



ETSIETSIEN300673V1.2.1(2000-03)126.3Performancecriteria(TA)forTransientphenomenaappliedtoagradeAEUTTheEUTshallbeconsideredtosatisfytheimmunityspecificationsifthefollowingconditionsaremet:-duringandaftertheseriesofindividualexposures:a)theEUTisabletobeplacedinthetransmissiondisabledstate,anddoesnotleavethatstatewithoutbeingcommanded;b)whentheEUTisinthetransmissiondisabledstatethereisnochangeinthesignallevel;c)whentheEUTisinthecarrier-onstatethereisnochangeinthesignalfrequencyorincreaseofthesignallevel;d)whentheEUTisinthecarrier-offstatethereisnoincreaseofthesignallevel;e)fortransmittingESs,undernocircumstancesdoesthetransmitteroperateunintentionallyduringthetest.-attheconclusionofeachexposurethequalityoftransmissionobservedshallbenoworsethanthatdeclaredbythemanufacturer(subclause5.1);-attheconclusionofthetotaltestcomprisingtheseriesofindividualexposurestheEUTshalloperateasintendedwithnolossofusercontrolfunctionsorstoreddataandthecommunicationslinkshallremainmaintained.6.4Performancecriteria(TB)forTransientphenomenaappliedtoagradeBEUTTheEUTshallbeconsideredtosatisfytheimmunityspecificationsifthefollowingconditionsaremetduringandaftertheseriesofindividualexposures:a)thequalityoftransmissionobservedisnoworsethanthatdeclaredbythemanufacturer(subclause5.1);b)underthetestconditionstheEUTisabletobeplacedinthetransmissiondisabledstate,anddoesnotleavethatstatewithoutbeingcommanded;c)whentheEUTisinthetransmissiondisabledstatethereisnochangeinthesignallevel;d)whentheEUTisinthecarrier-onstatethereisnochangeinthesignallevelorfrequency;e)whentheEUTisinthecarrier-offstatethereisnoin
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