SIST EN 301 489-4:2001

Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 4: Specific conditions for fixed radio links and ancillary equipment and services

This standard has one common requirements part plus specific parts for each of the radio equipment and services.  This harmonised standard under the EMC Directive and article 3.1b of the R&TTE Dirctive.  This does not include EMC requirements for equipment covered by the Marine Equipment Directive.

Elektromagnetna združljivost (EMC) in zadeve v zvezi z radijskim spektrom (ERM) - Standard elektromagnetne združljivosti (EMC) za radijsko opremo in storitve - 4. del: Posebni pogoji za fiksne radijske povezave ter pomožno opremo in storitve

General Information

• Status: Published
• Publication Date: 31-Aug-2001
• ICS: 33.060.20 - Receiving and transmitting equipment
• ICS: 33.100.01 - Electromagnetic compatibility in general
• Technical Committee: RES - Radio equipment and systems
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Sep-2001
• Due Date: 01-Sep-2001
• Completion Date: 01-Sep-2001
• Mandate: M/284
• Mandate: T-353
• Ref Project: ETSI EN 301 489-4 V1.2.1 (2000-08) - Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 4: Specific conditions for fixed radio links and ancillary equipment and services

Relations

• Official Journal Project Relation: SIST EN 301 489-4 V1.3.1:2003 - Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 4: Specific conditions for fixed radio links and ancillary equipment and services
• Effective Date: 01-Dec-2009

Standards Content (Sample)

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 radijsko opremo in storitve - 4. del: Posebni pogoji za fiksne radijske povezave ter pomožno opremo in storitveElectromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 4: Specific conditions for fixed radio links and ancillary equipment and services33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.20Sprejemna in oddajna opremaReceiving and transmitting equipmentICS:Ta slovenski standard je istoveten z:EN 301 489-4 Version 1.2.1SIST EN 301 489-4:2001en01-september-2001SIST EN 301 489-4:2001SLOVENSKI
STANDARD



SIST EN 301 489-4:2001



ETSIEN301489-4V1.2.1(2000-08)CandidateHarmonizedEuropeanStandard(Telecommunicationsseries)ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforradioequipmentandservices;Part4:SpecificconditionsforfixedradiolinksandancillaryequipmentandservicesSIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)2ReferenceDEN/ERM-EMC-219-4KeywordsEMC,FWA,point-to-point,radio,RLL,WLL,regulationETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)3ContentsIntellectualPropertyRights.5Foreword.51Scope.72References.73Definitionsandabbreviations.83.1Definitions.83.2Abbreviations.84Testconditions.84.1General.84.1.1Testconditionsandconfigurations.84.1.2Emissiontests.94.1.3Immunitytests.104.2Arrangementsfortestsignals.114.2.1Arrangementsfortestsignalsattheinputofthetransmitter.114.2.2Arrangementsfortestsignalsattheoutputofthetransmitter.114.2.3Arrangementsfortestsignalsattheinputofthereceiver.114.2.4Arrangementsfortestsignalsattheoutputofthereceiver.124.3Exclusionbands.124.3.1Exclusionbandsforreceivers.124.3.2Exclusionbandsfortransmitters.125Performanceassessment.125.1General.125.2Equipmentwhichcanprovideacommunicationslink.125.3Equipmentwhichdoesnotprovideacommunicationslink.125.4Ancillaryequipment.125.5Equipmentclassification.136Performancecriteria.136.1PerformancecriterionforContinuousphenomenaappliedtoTransmitters(CT)andReceivers(CR).136.2PerformancecriterionforTransientphenomenaappliedtoTransmitters(TT)andReceivers(RT).136.3Specificperformancecriteria.136.3.1Digitalsignalports.136.3.1.1Performancecriterionforcontinuousphenomena.136.3.1.2Performancecriterionfortransientphenomena.146.3.2Analoguevoicefrequencysignalports.146.3.2.1Performancecriterionforcontinuousphenomena.146.3.2.2Performancecriterionfortransientphenomena.146.3.3Ethernetandpacket-datainterfaces.146.3.3.1Performancecriterionforcontinuousphenomena.146.3.3.2Performancecriterionfortransientphenomena.146.3.4Serviceandmaintenanceinterfaces.146.3.5Synchronizationinterfaces.156.3.5.1Performancecriterionforcontinuousphenomena.156.3.5.2Performancecriteriafortransientphenomena.156.3.6Remotealarminterfaces.156.3.6.1Performancecriterionforcontinuousphenomena.156.3.6.2Performancecriterionfortransientphenomena.156.4Performancecriteriaforancillaryequipmenttestedonastandalonebasis.157Applicabilityoverviewtables.157.1Emission.157.1.1General.157.1.2Specialconditions.16SIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)47.2Immunity.167.2.1General.167.2.2Specialconditions.16AnnexA(informative):ExamplesofFixedRadioLinkequipmentwithininthescopeofthepresentdocument.17A.1FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe1,4GHzfrequencyband.17A.2FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe2,1to2,6GHzfrequencyband.17A.3FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe3to11GHzfrequencyband.17A.4FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe13to18GHzfrequencyband.18A.5FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe23GHzfrequencyband.18A.6FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe26and28GHzfrequencyband.18A.7FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe38GHzfrequencyband.19A.8FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe50GHzfrequencyband.19A.9FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe55GHzfrequencyband.19A.10FixedRadioSystems;Point-to-pointequipment;intendedforoperationinthe58GHzfrequencyband.19A.11FixedRadioSystems;Point-to-Multipointequipment;intendedforoperationinthefrequencybandbelow1GHz.20A.12FixedRadioSystems;Point-to-Multipointequipment;intendedforoperationinthe1to3GHzfrequencyband.20A.13FixedRadioSystems;Point-to-Multipointequipment;intendedforoperationinthe3to11GHzfrequencyband.21A.14FixedRadioSystems;Point-to-Multipointequipment;intendedforoperationinthe11to60GHzfrequencyband.21A.15FixedRadioSystems;Point-to-Multipointequipment;intendedforoperationinthe26and28GHzfrequencyband.22AnnexB(informative):PointtoMultipointfixedradiolinks;Generalsystemarchitecture.23Bibliography.24History.27SIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisCandidateHarmonizedEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeElectromagneticcompatibilityandRadiospectrumMatters(ERM).ThepresentdocumenthasbeenproducedbyETSIinresponsetoamandatefromtheEuropeanCommissionissuedunderCouncilDirective98/34/EC[4](asamended)layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.Thepresentdocument,togetherwiththeEN301489-1[1],isintendedtobecomeaHarmonizedEMCStandard,thereferenceofwhichwillbepublishedintheOfficialJournaloftheEuropeanCommunitiesreferencingtheCouncilDirectiveontheapproximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility("theEMCDirective")(89/336/EEC[3]asamended),andtheCouncilDirectiveontheapproximationofthelawsoftheMemberStatesrelatingtoradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity(the"R&TTEDirective"1999/5/EC[2]).Thepresentdocumentispart4ofamulti-partENcoveringtheElectroMagneticCompatibility(EMC)standardforradioequipmentandservices,asidentifiedbelow:Part1:"Commontechnicalrequirements";Part2:"Specificconditionsforradiopagingequipment";Part3:"SpecificconditionsforShort-RangeDevices(SRD)operatingonfrequenciesbetween9kHzand40GHz";Part4:"Specificconditionsforfixedradiolinksandancillaryequipmentandservices";Part5:"SpecificconditionsforPrivatelandMobileRadio(PMR)andancillaryequipment(speechandnon-speech)";Part6:"SpecificconditionsforDigitalEnhancedCordlessTelecommunications(DECT)equipment";Part7:"Specificconditionsformobileandportableradioandancillaryequipmentofdigitalcellularradiotelecommunicationssystems(GSMandDCS)";Part8:"SpecificrequirementsforGSMbasestations";Part9:"SpecificconditionsforwirelessmicrophonesandsimilarRadioFrequency(RF)audiolinkequipment";Part10:"SpecificconditionsforFirst(CT1andCT1+)andSecondGenerationCordlessTelephone(CT2)equipment";Part11:"SpecificconditionsforFMbroadcastingtransmitters";Part12:"SpecificconditionsforEarthStationsoperatedinthefrequencyrangesbetween4GHzand30GHzintheFixedSatelliteService(FSS)";Part13:"SpecificconditionsforCitizens'Band(CB)radioandancillaryequipment(speechandnon-speech)";SIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)6Part15:"Specificconditionsforcommerciallyavailableamateurradioequipment";Part16:"Specificconditionsforanaloguecellularradiocommunicationsequipment,mobileandportable";Part17:"SpecificrequirementsforWidebanddataandHIPERLAN";Part18:"SpecificrequirementsforTerrestrialTrunkedRadio(TETRA)";Part19:"SpecificconditionsforReceiveOnlyMobileEarthStations(ROMES)operatinginthe1,5GHzbandprovidingdatacommunications";Part20:"SpecificconditionsforMobileEarthStations(MES)usedintheMobileSatelliteServices(MSS)";Part22:"SpecificrequirementsforVHFaeronauticalmobileandfixedradios".NationaltranspositiondatesDateofadoptionofthisEN:14July2000DateoflatestannouncementofthisEN(doa):31October2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30April2001DateofwithdrawalofanyconflictingNationalStandard(dow):31October2003SIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)71ScopeThepresentdocument,togetherwithEN301489-1[1],coverstheassessmentofFixedRadioLinksandancillaryequipmentinrespectofElectroMagneticCompatibility(EMC).Technicalspecificationsrelatedtotheantennaportoftheradioequipmentarenotincludedinthepresentdocument.Suchtechnicalspecificationsarefoundintherelevantproductstandardsfortheeffectiveuseoftheradiospectrum.Thepresentdocumentspecifiestheapplicabletestconditions,performanceassessmentandperformancecriteriaforAnalogueandDigitalFixedRadioLinksoperatingasfixedPointtoPoint,andPointtoMultipointsystemsasdefinedinannexB,includingtheassociatedancillaryequipment.ExamplesofFixedRadioLinksequipmentaregiveninannexA.Incaseofdifferences(forinstanceconcerningspecialconditions,definitions,abbreviations)betweenthepresentdocumentandEN301489-1[1],theprovisionsofthepresentdocumenttakeprecedence.Theprocessingandprotectionswitch,(de)modulator,transmitter,receiver,RFfilters,branchingnetworks,feedersarecoveredbythepresentdocument.Themultiplexingand/orde-multiplexingelementsarecoverediftheyformpartofthetransmitter,receiverand/ortransceiver.TheenvironmentalclassificationandtheemissionandimmunityrequirementsusedinthepresentdocumentareasstatedinEN301489-1[1],exceptforanyspecialconditionsincludedinthepresentdocument.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ETSIEN301489-1:"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforradioequipmentandservices;Part1:Commontechnicalrequirements".[2]1999/5/EC:"CouncilDirectiveontheapproximationofthelawsoftheMemberStatesrelatingtoradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity".[3]89/336/EEC:"CouncilDirectiveontheapproximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility".[4]Directive98/34/ECoftheEuropeanParliamentandoftheCouncilof22June1998layingdownaprocedurefortheprovisionofinformationinthefieldoftechnicalstandardsandregulations.[5]ITU-RRecommendationF.1191-1:"Bandwidthsandunwantedemissionsofdigitalradio-relaysystems".[6]ITU-RRecommendationF.746-3:"Radio-frequencychannelarrangementsforradio-relaysystems".SIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)83Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsgivenintheEN301489-1[1],clause3andthefollowingapply.channelseparation:accordingtoITU-RRecommendationF.1191-1[5],theCHannelSeparation(CHS)istakenasXS/2foralternatedfrequencychannelarrangementsandXSforco-channelandinterleavedfrequencychannelarrangementsasdefinedbyITU-RRecommendationF.746-3[6],XSistheradio-frequencyseparationbetweenthecentrefrequenciesofadjacentradio-frequencychannelsonthesamepolarizationandinthesamedirectionoftransmission.operatingfrequencyrange:range(s)ofradiofrequenciescoveredbytheEquipmentUnderTest(EUT)withoutanychangeofunits.3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:BERBitErrorRatioCCSCentralControllerstationCHSChannelSeparationCRSCentralRadioStationEMElectromagneticEMCElectroMagneticCompatibilityEUTEquipmentUnderTestRFRadioFrequencyRSRepeaterStationsTSTerminalStations4TestconditionsForthepurposesofthepresentdocument,thetestconditionsofEN301489-1[1],clause4,shallapplyasappropriate.Furtherproductrelatedtestconditionsforfixedradiolinksarespecifiedinthepresentdocument.4.1GeneralForemissionandimmunityteststhetestmodulation,testarrangements,etc.,asspecifiedinthepresentdocument,subclauses4.1.1to4.3.2,shallapply.4.1.1TestconditionsandconfigurationsThissubclausedefinesthetestconditionsandconfigurationsfortheemissionandimmunitytestsasfollows:-atransmittershall,asaminimum,comprisetheelementbetweenE'andA'offigure1.Additionallythetransmittermaycompriseanyoftheotherelementsfromthetransmitterchainshowninfigure1.Iftheseadditionalelementsarepartofthetransmitterorsystemtheyshallalsomeettherequirementsofthepresentdocument;SIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)9MultiplexingProcessing&ProtectionSwitchModulatorTransmitterTxRFFilterBranchingNetworkFeederZ'G'F'E'A'B'C'D'NOTE1:Forthepurposesofdefiningthereferencepoints,thebranchingnetwork(B'toC')doesnotincludeahybrid.NOTE2:PointsB'andC'maycoincide,dependentontheequipmentconfiguration.Figure1:Elementsofatransmitter-areceivershall,asaminimum,comprisetheelementbetweenAandEoffigure2.Additionallythereceivermaycompriseanyoftheotherelementsfromthereceiverchainshowninfigure2.Iftheseadditionalelementsarepartofthereceiverorsystemtheyshallalsomeettherequirementsofthepresentdocument;DemuxProcessing&ProtectionSwitchDemodulatorReceiverRxRFFilterBranchingNetworkFeederZGFEABCDNOTE1:Forthepurposesofdefiningthereferencepoints,thebranchingnetwork(BtoC)doesnotincludeahybrid.NOTE2:PointsBandCmaycoincide,dependentontheequipmentconfiguration.Figure2:Elementsofareceiver-atransceivershallcompriseasaminimumtheelementsE'toA'andAtoEshowninfigures1and2,andadditionallyitmaycompriseanycombinationsoftheotherelements.Iftheseadditionalelementsarepartofthetransceivertheyshallalsomeettherequirementsofthepresentdocument;-theequipmentshallbetestedunderconditionswhicharewithinthemanufacturer'sdeclaredrangeofhumidity,temperatureandsupplyvoltage;-thetestconfigurationshallbeasclosetonormalintendeduseaspossible;-iftheequipmentispartofasystem,orcanbeconnectedtoancillaryequipment,thenitshallbeacceptabletotesttheequipmentwhileconnectedtotheminimumconfigurationofancillaryequipmentnecessarytoexercisetheports;-portswhichinnormaloperationareconnectedtoancillaryorotherequipmentshallbeeitherconnectedtosuchequipment,ortoarepresentativeterminationtosimulatetheinput/outputcharacteristicsoftheancillaryorotherequipment.RadioFrequency(RF)input/outputportsshallbecorrectlyterminated;-iftheequipmenthasalargenumberofports,thenasufficientnumbershallbeselectedtosimulateactualoperationconditionsandtoensurethatallthedifferenttypesofterminationaretested;-portswhicharenotconnectedtocablesduringnormalintendedoperation,e.g.serviceconnectors,programmingconnectors,temporaryconnectorsetc.shallnotbeconnectedtoanycablesforthepurposeofElectromagneticCompatibility(EMC)testing.Wherecableshavetobeconnectedtotheseports,orinterconnectingcableshavetobeextendedinlengthinordertoexercisetheEUT,precautionsshallbetakentoensurethattheevaluationoftheEUTisnotaffectedbytheadditionorextensionofthesecables;-thetestconditions,testconfigurationandmodeofoperationshallberecordedinthetestreport.4.1.2EmissiontestsTheprovisionsEN301489-1[1],clause8shallapplywiththefollowingmodification.ForPointtoMultipointsystemsacommunicationslinkshallbeestablished,whichshallcompriseoftheCentralStationandaminimumofoneTerminalStation.Thesestationsaretestedseparately.SeeannexAfordefinitionofCentralStationandTerminalStation.SIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)104.1.3ImmunitytestsTheprovisionsofEN301489-1[1],subclause9.1shallapplywiththefollowingmodifications.Thetestconfigurationshallfortransmittersbeinaccordancewiththeprincipleoffigure3,andforreceiversitshallbeinaccordancewiththeprincipleoffigure4,andfortransceivershallbeinaccordancewiththeprincipleoffigure5.Themeasuringequipmentshallbelocatedoutsidethetestenvironment.Adequatemeasuresshallbetakentoavoidanyeffectsoftheunwantedsignalsonthemeasuringequipment.TransmitterMonitoringequipmentAttenuatorInsidetestenvironmentOutsidetestenvironmentSignalsourceRFoutputInputReceiverFigure3:TestconfigurationfortransmittersDuringimmunityteststhetransmittershallbeoperatedatitsratedoutputpower.Theinputtothetransmittershallbeinaccordancewithsubclause4.2.1(seefigure3).Acommunicationlinkshallbeestablishedatthestartofthetestandbemaintainedduringthetest.ReceiverAttenuatorInsidetestenvironmentOutsidetestenvironmentSignalsourceRFinputOutputMonitoringequipmentTransmitterFigure4:TestconfigurationforreceiversDuringimmunitytestsforreceivers,thewantedRFinputsignal,coupledtothereceiver,shallbeinaccordancewithsubclause4.2.3(seefigure4).Acommunicationlinkshallbeestablishedatthestartofthetestandbemaintainedduringthetest.MonitoringequipmentAttenuatorInsidetestenvironmentOutsidetestenvironmentSignalsourceRFoutputInputReceiverTransmitterReceiverTransmitterAttenuatorutputRFinputFigure5:TestconfigurationoftransceiversInthecaseofduplextransceiverswherethetransmitterandreceivercannotoperateatthesameradiofrequency,thewantedinputsignal,coupledtothereceiver,shallbeinaccordancesubclause4.2.3.Thetransmittershallbeoperatedatitsratedoutputpower,andwithitsinputcoupledtotheoutputofthereceiver(repeatermode)(seefigure5).Thesametestconfigurationalsoapplieswherethetransmittersandreceiversoperateatthesameradiofrequency.Themeasurementshallbemadeinthemodeofoperationasrequiredinthissubclause.SIST EN 301 489-4:2001



ETSIETSIEN301489-4V1.2.1(2000-08)11Acommunicationlinkshallbeestablishedatthestartofthetestandbemaintainedduringthetest.Fortheimmunitytestsofancillaryequipmentwithoutaseparatepass/failcriteria,thereceiver,transmitterortransceivercoupledtotheancillaryequipment,shallbeusedtojudgewhethertheancillaryequipmentpassesorfails.ForPointtoMultipointsystemstheminimumconfigurationshallcompriseofoneCentralStationandoneterminalstation,unlessmoreterminalstationsarerequiredtoestablisharepresentativetestconfiguration.Acommunicationlinkshallbeestablishedatthestartofthetestandmaintainedduringthetest,betweentheCentralStationandaTerminalStation(s).Thesestationsaretestedseparately.4.2ArrangementsfortestsignalsTheprovisionsofEN301489-1[1],subclause4.2shallapply.4.2.1ArrangementsfortestsignalsattheinputofthetransmitterTheprovisionsofEN301489-1[1],subclause4.2.1shallapplywiththefollowingmodifications.Theinputofthetransmittershallbecoupledviathenormalinputconnectortothesignalsourceshowninfigures3and5.Thewantedsignal(s)shallbe(a)representativebasebandinputsignal(s)correspondingtonormaloperation.4.2.2ArrangementsfortestsignalsattheoutputofthetransmitterTheprovisionsofEN301489-1[1],subclause4.2.2shallapplywiththefollowingmodifications.ToestablishacommunicationlinkthewantedoutputsignalshallbedeliveredfromthetransmitterRFoutputviasuitableattenuationthroughacoaxialcableorwaveguide.AdequatemeasuresshallbetakentominimizetheeffectsofunwantedcurrentsontheexternalconductorofthecoaxialcableorwaveguideatthepointofentrytotheEUT.MismatcherrorsmaybeavoidedbyplacingtheattenuatorsclosetotheEUT.IfthetransmitterRFoutputcannotberecoveredviaconnectionanotherantennaofthesametypemaybeusedtoretrievethewantedoutputsignalfromthetransmitter.4.2.3ArrangementsfortestsignalsattheinputofthereceiverTheprovisionsofEN301489-1[1],subclause4.2.3shallapplywiththefollowingmodifications.ThewantedsignalshallbearepresentativemodulatedRFinputsignalcorrespondingtonormaloperation.ToestablishacommunicationlinkthewantedinputsignalshallbeappliedtotheRFinputofthereceiverviaacoaxialcableorwaveguide.AdequatemeasuresshallbetakentominimizetheeffectsofunwantedcurrentsontheexternalconductorofthecoaxialcableorwaveguideatthepointofentrytotheEUT.MismatcherrorsmaybeavoidedbyplacingtheattenuatorsclosetotheEUT.IfthereceiverRFinputcannotbeappliedviaconnectionanotherantennaofthesametypemaybeusedtoapplythewantedinputsignaltothereceiver.Thesourceofthewantedinputsignalshallbelocatedoutsideofthetestenvironment.Fordigitalequipment,includingPointtoMultipointequipment,theinputsignallevelshallb
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