SIST EN 301 785 V1.1.1:2003

Fixed Radio Systems; Point-to-point equipment; Parameters for packet data radio systems for transmission of digital signals operating in the frequency range 23, 26, 28 or 38 GHz

Define parameters for 10BaseT and 100BaseT baseband systems representing 10 Mbit/s and 100 Mbit/s capacities.

Fiksni radijski sistemi – Oprema tipa točka-točka – Parametri radijskih sistemov s paketiranimi podatki za prenos digitalnih signalov, ki delujejo v frekvenčnem območju 23, 26, 28 ali 38 GHz

General Information

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.040.20 - Transmission systems
• ICS: 33.060.30 - Radio relay and fixed satellite communications systems
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI EN 301 785 V1.1.1 (2001-04) - Fixed Radio Systems; Point-to-point equipment; Parameters for packet data radio systems for transmission of digital signals operating in the frequency range 23, 26, 28 or 38 GHz

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Fixed Radio Systems; Point-to-point equipment; Parameters for packet data radio systems for transmission of digital signals operating in the frequency range 23, 26, 28 or 38 GHz33.060.30Radiorelejni in fiksni satelitski komunikacijski sistemiRadio relay and fixed satellite communications systems33.040.20Prenosni sistemTransmission systemsICS:Ta slovenski standard je istoveten z:EN 301 785 Version 1.1.1SIST EN 301 785 V1.1.1:2003en01-december-2003SIST EN 301 785 V1.1.1:2003SLOVENSKI
STANDARD



SIST EN 301 785 V1.1.1:2003



ETSIEN301785V1.1.1(2001-04)EuropeanStandard(Telecommunicationsseries)FixedRadioSystems;Point-to-pointequipment;Parametersforpacketdataradiosystemsfortransmissionofdigitalsignalsoperatinginthefrequencyrange23,26,28or38GHzSIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)2ReferenceDEN/TM-04092aKeywordsdigital,DRRS,point-to-point,radio,transmissionETSI650RoutedesLuciolesF-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.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.73Symbolsandabbreviations.83.1Symbols.83.2Abbreviations.94Generalcharacteristics.94.1Channelarrangements.94.2ChannelSpacing.104.3Compatibilityrequirementsbetweensystems.104.4Performanceandavailabilityrequirements.104.5Environmentalconditions.104.5.1Equipmentwithinweatherprotectedlocations(indoorlocations).104.5.2Equipmentfornon-weatherprotectedlocations(outdoorlocations).114.6Powersupply.114.7Electromagneticcompatibility.114.8Systemblockdiagram.114.9ManagementInterface.114.10Branching/feeder/antennacharacteristics.114.10.1Antennaradiationpatterns.114.10.2Antennacross-PolarDiscrimination(XPD).114.10.3AntennaInter-PortIsolation(IPI).124.10.4Waveguideflanges(orotherconnectors).124.10.5Returnloss.125SystemParameters.125.1Transmissioncapacity.125.2DataInterfaceparameters.125.2.1EthernetDatainterface.125.3Transmittercharacteristics.125.3.1Transmitterpowerrange.135.3.2Transmitpowerandfrequencycontrol.135.3.2.1AutomaticTransmitPowerControl(ATPC).135.3.2.2RemoteTransmitPowerControl(RTPC).135.3.2.3RemoteFrequencyControl(RFC).135.3.3Transmitteroutputpowertolerance.145.3.4TransmitLocalOscillator(LO)frequencyarrangements.145.3.5RFspectrummask.145.3.6DiscreteCWlinesexceedingthespectrummasklimit.165.3.6.1Spectrallinesatthesymbolrate.165.3.6.2Otherspectrallines.165.3.7Spuriousemissions.175.3.7.1Spuriousemissions-external.175.3.7.2Spuriousemissions-internal.175.3.8Radiofrequencytolerance.175.4Receivercharacteristics.175.4.1Inputlevelrange.175.4.2Receiverlocaloscillatorfrequencyarrangements.175.4.3Spuriousemissions.175.5Systemperformancewithoutdiversity.185.5.1FERasafunctionofReceiverinputSignalLevel(RSL).185.5.2EquipmentResidualFER.195.5.3Interferencesensitivity.19SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)45.5.3.1Co-channelinterferencesensitivity.195.5.3.2AdjacentchannelInterference.205.5.3.3CWSpuriousInterference.205.5.3.4Front-endnon-linearityrequirements(two-toneCWspuriousinterference).205.5.4Distortionsensitivity.205.6Systemcharacteristicswithdiversity.21AnnexA(informative):Additionalinformation.22A.1Feeder/antennareturnloss.22A.2AutomaticTransmitPowerControl(ATPC).22A.3Co-channelandadjacentchannelinterference.23A.4RFER.25AnnexB(normative):Systemtypecodesforregulatoryprocedures.26AnnexC(informative):FER/BERequivalenceandFERperformancemeasurementequipmentsettings(example).27C.1FER/BERequivalence.27C.2FERequipmentsettingsandmeasurementtechniques(example).27History.28SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)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.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeTransmissionandMultiplexing(TM).ThepresentdocumenthasalreadybeenpublishedasanETSITechnicalSpecification,underTS101785.NationaltranspositiondatesDateofadoptionofthisEN:13April2001DateoflatestannouncementofthisEN(doa):31July2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31January2002DateofwithdrawalofanyconflictingNationalStandard(dow):31January2002SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)61ScopeThepresentdocumentspecifiestheminimumperformanceparametersforterrestrialfixedpacketdataserviceradiocommunicationsequipmentsoperatingat23,26,28,or38GHz.Suchdigitalsystemsareintendedtobeusedforpoint-to-pointconnectionsinlocalandregionalnetworksatdataratesof10Mbit/sand100Mbit/sandoperateinfull-duplexmode.Theparameterstobespecifiedfallintotwocategories:a)thosethatarerequiredtoprovidecompatibilitybetweenchannelsfromdifferentsourcesofequipmentonthesameroute,connectedeither:-toseparateantennas;or-toseparatepolarizationsofthesameantenna;b)parametersdefiningthetransmissionqualityoftheproposedsystem.ThepresentdocumentdealswithRadioFrequency(RF)andbasebandcharacteristicsrelevanttopacketdatanetworkingequipment.Antenna/feedersystemrequirementsarecoveredinEN300833[2].Thepresentdocumentdoesnotfocusonaspectsrelatedtotestproceduresandtestconditions,howevertheyaretobefoundinEN301126-1[1],IEEE1802.3[15],andIEEE1802.3d[16].Asthemaximumtransmissionrateinagivenbandwidthdependsonsystemspectralefficiency,differentequipmentclassesaredefined:Class2:equipmentspectralefficiencybasedontypically4-statesmodulationscheme(e.g.4-FSK,4-QAM,orequivalent);Class4:equipmentspectralefficiencybasedontypically16or32-statesmodulationscheme(e.g.16-QAM,32-QAM,orequivalent);Class5:equipmentspectralefficiencybasedontypically64or128-statesmodulationscheme(e.g.64-QAM,128-QAM,orequivalent).Theaboveclassesareindicativeonlyanddonotimplyanyconstrainttotheactualmodulationformat,providedthatalltherequirementsinthepresentdocumentaremet.SafetyaspectsareoutsidethemandateofETSIandtheywillnotbeconsideredinthepresentdocument.HowevercompliancetoEN60950[22]willberequiredtocomplywith1999/5/EC[24]Directive(R&TTE).TechnicalbackgroundformostoftheparametersandrequirementsreferredinthepresentdocumentmaybefoundinTR101036-1[11]andIEEE802.3[14].ThepresentdocumentdoesnotaddressSDH/PDHradiorequirements,thereforeequipmentwithSDH/PDHinterfacesshouldmeettherequirementsoftheappropriateSDH/PDHradiospecifications.SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)72ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ETSIEN301126-1:"FixedRadioSystems;Conformancetesting;Part1:Point-to-Pointequipment-Definitions,generalrequirementsandtestprocedures".[2]ETSIEN300833:"FixedRadioSystems;Point-to-PointAntennas;Antennasforpoint-to-pointfixedradiosystemsoperatinginthefrequencyband3GHzto60GHz".[3]ETSIETS300019:"EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment".[4]ETSIETS300132-1:"EquipmentEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part1:Operatedbyalternatingcurrent(ac)derivedfromdirectcurrent(dc)sources".[5]ETSIETS300132-2:"EquipmentEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part2:Operatedbydirectcurrent(dc)".[6]ETSIEN300385:"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforfixedradiolinksandancillaryequipment".[7]ITU-RRecommendationF.1102:"Characteristicsofradio-relaysystemsoperatinginfrequencybandsaboveabout17GHz".[8]ITU-RRecommendationF.1191-1:"Bandwidthsandunwantedemissionsofdigitalradio-relaysystems".[9]ITU-RRecommendationP.530-8:"Propagationdataandpredictionmethodsrequiredforthedesignofterrestrialline-of-sightsystems".[10]IEC60154-2:"Flangesforwaveguides.Part2:Relevantspecificationsforflangesforordinaryrectangularwaveguides".[11]ETSITR101036-1(V1.1.2):"TransmissionandMultiplexing(TM);DigitalRadioRelaySystems(DRRS);GenericwordingsforstandardsonDRRScharacteristics;Part1:Generalaspectsandpoint-to-pointequipmentparameters".[12]IEC60153-2:"Hollowmetallicwaveguides.Part2:Relevantspecificationsforordinaryrectangularwaveguides".[13]CEPT/ERCRecommendation74-01:"Spuriousemissions".[14]IEEE802.3(1998):"Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Localandmetropolitanareanetworks-Specificrequirements-Part3:Carriersensemultipleaccesswithcollisiondetection(CSMA/CD)accessmethodandphysicallayerspecifications".[15]IEEE1802.3(1991):"ConformanceTestMethodologyforIEEEStandardsforLocalandMetropolitanAreaNetworks:CarrierSenseMultipleAccesswithCollisionDetection(CSMA/CD)AccessMethodandPhysicalLayerSpecifications:CurrentlyContainsAttachmentUnitInterface(AUI)Cable(Section4)".[16]IEEE1802.3d(1993):"SupplementtoIEEEStd1802.3-1991,Type10BASE-TMediumAttachmentUnit(MAU)ConformanceTestMethodology(Section6)".SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)8[17]CEPTRecommendationT/R12-01:"Harmonizedradiofrequencychannelarrangementsforanalogueanddigitalterrestrialfixedsystemsoperatingintheband37-39,5GHz".[18]CEPTRecommendationT/R13-02E:"Preferredchannelarrangementsforfixedservicesintherange22,0-29,5GHz".[19]ITU-RRecommendationF.748-3:"Radio-frequencychannelarrangementsforradio-relaysystemsoperatinginthe25,26and28GHzbands".[20]ITU-RRecommendationF.637-3:"Radio-frequencychannelarrangementsforradio-relaysystemsoperatinginthe23GHzband".[21]IEEE802.1Q(1998):"IEEEStandardforLocalandMetropolitanAreaNetworks:VirtualBridgedLocalAreaNetworks".[22]EN60950:"Safetyofinformationtechnologyequipment".[23]CouncilDirective89/336/EECof3May1989ontheapproximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility.[24]Directive1999/5/ECoftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity.[25]ETSIEN301489-4:"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforradioequipmentandservices;Part4:Specificconditionsforfixedradiolinksandancillaryequipmentandservices".3Symbolsandabbreviations3.1SymbolsForthepurposesofthepresentdocument,thefollowingsymbolsapply:dBdeciBeldBcdeciBelrelativetomeancarrierpowerdBideciBelrelativetoanisotropicradiatordBmdeciBelrelativeto1milliWattdBWdeciBelrelativeto1WattGHzGigaHertzkHzkiloHertzMbit/sMega-bitspersecondMHzMegaHertzppmpartspermillionSIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)93.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:acalternatingcurrentATPCAutomaticTransmitPowerControlBERBitErrorRatioC/ICarriertoInterferenceratioCSminminimumpracticalchannelseparation(foragivenradio-frequencychannelarrangement)CWContinuousWavedcdirectcurrentDRRSDigitalRadioRelaySystemsEMCElectroMagneticCompatibilityFERFrameErrorRatioFSKFrequency-ShiftKeying(modulation)IFIntermediateFrequencyIPIInter-PortIsolationLOLocalOscillatorQAMQuadratureAmplitudeModulationRFRadioFrequencyRFCRemoteFrequencyControlRFERResidualFERRSLReceiveSignalLevelRTPCRemoteTransmitPowerControlXPDcross-PolarDiscrimination4Generalcharacteristics4.1ChannelarrangementsTheequipmentshalloperateononeormoreofthechannelsasdefinedbelow:Thefrequencyrangeshallbe22,0GHzto22,6GHzpairedwith23GHzto23,6GHzThechannelarrangementsshallbeinaccordancewithCEPTRecommendationT/R13-02E[18].NOTE:InatransitionperiodfortheadoptionofCEPTRecommendationT/R13-02E[18],differentplans,derivedbyITU-RRecommendationF.637-3[20],mayberequiredonnationalbasis.Thefrequencyrangeshallbe24,50GHzto29,50GHz.ThechannelarrangementsshallbeinaccordancewithCEPTRecommendationT/R13-02E[18]orITU-RRecommendationF.748-3[19].Thefrequencyrangeshallbe37,0GHzto39,5GHz.ThechannelarrangementsshallbeinaccordancewithCEPTRecommendationT/R12-01[17].SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)104.2ChannelSpacingSystembitratesandtheirrelevantchannelspacinginthepresentdocumentarereportedintable1(fortheprecisepayloadbitrates,seeclause5.1).NOTE:Accordingtosystemscharacteristicstheequipmentcanbeconnectedeithertoseparateantennasoronaseparatepolarizationtothesameantenna.Table1:DigitalsystemschannelspacingforvariousbitratesPayloadBitRate[Mbit/s]10100ChannelClass2equipments7Spacing[MHz]Class4equipments3,556/28Class5equipments28Forregulatorypurposesinnationalproceduresforlicensingradioequipmentsaccordingtothepresentdocument,theabovesystemtypesshallbeidentifiedbythe"systemtypecodes"reportedinnormativeannexB.4.3CompatibilityrequirementsbetweensystemsThecompatibilityrequirementsbetweensystemsareasfollows:-thereshallbenorequirementtooperatetransmittingequipmentfromonemanufacturerwithreceivingequipmentfromanother;-thereshallnotbearequirementtomultiplexdifferentmanufacturersequipmentonthesameantenna;-dependingontheapplication,itshallbepossibletooperatethesysteminverticaland/orhorizontalpolarization,ifrequiredbythechannelarrangement.4.4PerformanceandavailabilityrequirementsTherequirementsfordigitalequipmentdefinedinclause5ofthepresentdocumentareintendedtomeetthenetworkperformancerequirementsdefinedbyIEEEfor10Mbit/sand100Mbit/sEthernetnetworks.TheimplicationofthelinkdesignontheperformanceisrecognizedandthegeneraldesigncriteriareportedinITU-RRecommendationsP.530-8[9]andF.1102[7]shallbeapplied.PerformancerequirementsforpublicnetworksareunderstudybytheITU-T.Allperformancemeasurementsshallbedonewith64octetframes.4.5EnvironmentalconditionsTheequipmentshallberequiredtomeettheenvironmentalconditionssetoutinETS300019[3]whichdefinesweatherprotectedandnon-weatherprotectedlocations,classesandtestseverity.Themanufacturershallstatewhichclasstheequipmentisdesignedtowithstand.4.5.1Equipmentwithinweatherprotectedlocations(indoorlocations)EquipmentintendedforoperationwithintemperaturecontrolledlocationsorpartiallytemperaturecontrolledlocationsshallmeettherequirementsofETS300019[3]classes3.1and3.2respectively.Optionally,themorestringentrequirementsofETS300019[3]classes3.3(non-temperaturecontrolledlocations),3.4(siteswithheattrap)and3.5(shelteredlocations)maybeapplied.SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)114.5.2Equipmentfornon-weatherprotectedlocations(outdoorlocations)Equipmentintendedforoperationwithinnon-weather-protectedlocationsshallmeettherequirementsofETS300019[3],class4.1or4.1E.Class4.1appliestomanyEuropeancountriesandclass4.1EappliestoallEuropeancountries.4.6PowersupplyThepowersupplyinterfaceshallbeinaccordancewiththecharacteristicsofoneormoreofthesecondaryvoltagesforeseeninETS300132-1[4]andETS300132-2[5].NOTE:SomeapplicationsmayrequiresecondaryvoltagesthatarenotcoveredbyETS300132-1[4]andETS300132-2[5].4.7ElectromagneticcompatibilityEquipmentshalloperateundertheconditionsspecifiedinEN300385[6]orEN301489-4[25].4.8SystemblockdiagramMODULATORTRANSMITTERZ'E'A'TRANSMITRFFILTERB'BRANCHINGC'D'FEEDERFEEDERBRANCHINGRFFILTERD(*)CBRECEIVEARECEIVEREDEMODULATORZ(*)'XDATAINTERFACEDATAINTERFACENOTE1:Forthepurposeofdefiningthemeasurementpoints,thebranchingnetworkdoesnotincludeahybrid.NOTE2:Thepointsshownabovearereferencepointsonly;pointsCandC',DandD'ingeneralcoincide.NOTE3:PointsBandC,B'andC'maycoincidewhensimpleduplexerisused.Figure1:Systemblockdiagram4.9ManagementInterfaceThereisnospecificrequirementforthemanagementinterface.4.10Branching/feeder/antennacharacteristics4.10.1AntennaradiationpatternsSeeEN300833[2].4.10.2Antennacross-PolarDiscrimination(XPD)SeeEN300833[2].SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)124.10.3AntennaInter-PortIsolation(IPI)SeeEN300833[2].4.10.4Waveguideflanges(orotherconnectors)WhenflangesarerequiredatreferencepointC,C',thefollowingshallbeusedaccordingtoIEC60154-2[10]:-UBR/PBR/CBR260,forthecomplete26/28GHzfrequencyrange;-UBR/PBR/CBR220,forthecomplete23GHzfrequencyrangeandthelowerpartofthe26/28GHzfrequencyrange(TheupperfrequencylimitforwaveguideR220is26,50GHz,accordingtoIEC60153-2[12]);-UBR/PBR/CBR320,forthecomplete38GHzfrequencyrangeandthehigherpartofthe26/28GHzfrequencyrange(ThelowerfrequencylimitforwaveguideR320is26,50GHz,accordingtoIEC60153-2[12]).4.10.5ReturnlossEquipmentaccordingtothepresentdocumentarelikelytohaveintegralantennasorverysimilartechnicalsolutions,withoutlongfeederconnections;returnlossisnotconsideredanessentialrequirement.Whenanantennaisanintegralpartoftheequipmentthereshallbenorequirement.Forfeeder/antennareturnlossrequirementseeclauseA.1.5SystemParameters5.1TransmissioncapacityDataInterfacebitratesatpointsXandX'consideredinthepresentdocumentare:-10Mbit/s;and-100Mbit/s.Inthefollowingclauses,thesecapacitieswillbesimplyreferredas10Mbit/sand100Mbit/s.5.2DataInterfaceparametersAllofthefollowingspecifieddatainterfaceparametersrefertopointXandX'offigure1.Parametersforservicechannelsandwaysidetrafficchannelsareoutsidethescopeofthepresentdocument.FER/BERequivalenceexplanationforallparametersisgiveninclauseC.1.5.2.1EthernetDatainterface10Mbit/sand100Mbit/sinterfacesshallcomplywiththeOSIphysicallayerrequirementsforMediumDependentInterfacesdefinedinIEEE802.3[14].10Mbit/sand100Mbit/sinterfacesshallcomplywiththemaximumpacketsizesdefinedinIEEE802.1Q[21].5.3TransmittercharacteristicsThespecifiedtransmittercharacteristicsshallbemetwiththeappropriatebasebandsignalsappliedatreferencepointX'offigure1.TheEthernetinterfaceshallbeatestsignalaccordingtoIEEE1802.3[15]andIEEE1802.3d[16].SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)135.3.1TransmitterpowerrangeTransmittermaximummeanoutputpoweratreferencepointC'ofthesystemblockdiagram(figure1)shallnotexceed+30dBm(includingtoleranceand,ifapplicable,ATPC/RTPCinfluence).Regulatoryadministrationsmaydefinenominalsub-rangesbelowthismaximumlimit.NOTE:Thetechnologicalevolutionmayresultinequipmentfallingoutsideoftherange(s)foreseeninthisclause.Inthiscasetheequipmentsofdifferentoutputpowersub-rangesarenotconsideredtorequireindividualtypeapproval,howevertheiruseissubjecttoindividualnationalagreements.Acapabilityforoutputpowerleveladjustmentmayberequiredforregulatorypurposes,inwhichcasetherangeofadjustment,eitherbyfixedorautomaticattenuators,shouldbeinstepsof5dBorless.5.3.2Transmitpowerandfrequencycontrol5.3.2.1AutomaticTransmitPowerControl(ATPC)ATPCisanoptionalfeature.EquipmentwithATPCwillbesubjecttomanufacturerdeclarationofATPCrangesandrelatedtolerances.ThemanufacturershalldeclareiftheequipmentisdesignedwithATPCasafixedpermanentfeature.Testingshallbecarriedoutwithoutputpowerlevelcorrespondingto:-ATPCsetmanuallytoafixedvalueforsystemperformance(clauses5.5and5.6);-ATPCsetatmaximumavailablepowerfortransmitperformance(clause5.3).ItshallbeverifiedthattheemittedRFspectrumiswithintheabsoluteRFspectrummaskevaluatedforthemaximumavailableoutputpoweroftheequipment,includingattenuationintroducedbyRTPC,ifany.WheretheuseofATPCisconsideredcompulsoryforregulatorypurposesthetransmitteroutputshallmeetthespectrummasklimitsthroughouttheATPCrange.5.3.2.2RemoteTransmitPowerControl(RTPC)RTPCisanoptionalfeature.EquipmentwithRTPCwillbesubjecttomanufacturerdeclarationofRTPCrangesandrelatedtolerances.Testingshallbecarriedoutwithoutputpowerlevelcorrespondingto:-RTPCsettothemaximumnominalpowerfortransmitperformance(clause5.3)andforsystemperformance(clause5.5and5.6);-theRFspectrummaskshallbeverifiedinthreepoints(low,medium,andhigh)oftheRTPCpowerexcursionandwithATPCsettomaximumavailablepower(ifany).Whenthesespectrummeasurementsaremadedifficultiesmaybeexperienced.Actualmeasurementmethodsshallbeaddressedinfurtherinvestigationsandwillbedefinedintheconformancetestingstandard,EN301126-1[1].RTPCrangeshouldberestricted,takingintoaccountthewidebandnoisegeneratedbythetransmitterchain,toensurethespectrummaskrequirementsaremetthroughoutthetransmitteroutputpowerrange.WheretheuseofATPCisconsideredcompulsoryforregulatorypurposesthetransmitteroutputshallmeetthespectrummasklimitsthroughouttheATPCrange.5.3.2.3RemoteFrequencyControl(RFC)RFCisanoptionalfeature.EquipmentwithRFCwillbesubjecttomanufacturerdeclarationofRFCrangesandrelatedchangefrequencyprocedure.Testingshallbecarriedoutincluding:-RFCsettingprocedureatleastforthreefrequencies(lower,centreandhigherofthecoveredrange);-RFCsettingprocedureshallnotproduceemissionsoutsidethepreviousandfinalfrequencyspectrummask.SIST EN 301 785 V1.1.1:2003



ETSIETSIEN301785V1.1.1(2001-04)145.3.3TransmitteroutputpowertoleranceThenominaloutputpowershallbedeclaredbythesupplier.Thetoleranceofthenominaloutputpowershallbewithin:-nominaloutputpower±2dB:forclasses3.1and3.2asdefinedbyETS300019[3];-nominaloutputpower±2dB(±3dBfor38GHz):forclasses3,4and5systemsoperatingwithinnon-weatherprotectedlocationsandwithinclasses3.3,3.4and3.5weatherprotectedlocationsasdefinedbyETS300019[3].5.3.4TransmitLocalOscillator(LO)frequencyarrangementsThereshallbenorequirementonLOfrequencyarrangement.5.3.5RFspectrummaskThespectrummasksareshowninfigures2aand2b.The0dBlevelshownonthespectrummasksrelatestothespectralpowerdensityofthenominalcentrefrequencydisregardingresidualcarrier.Therecommendedspectrumanalysers
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