Fixed Radio Systems; Point-to-point equipment; Parameters for radio system for the transmission of digital signals operating in the frequency range 24,50 GHz to 29,50 GHz

Addition of capacities/bandwidths to existing Standard; those proposed are,16E1/E3(16QAM) in 14MHz, STM-0(32QAM) in 14MHz, 2E3(16QAM) in 28MHz, 4E3(64QAM) in 28MHz and STM-1(128QAM) in 28MHz.

Fiksni radijski sistemi – Oprema tipa točka-točka – Parametri radijskih sistemov za prenos digitalnih signalov, ki delujejo v frekvenčnem območju od 24,50 GHz do 29,50 GHz

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Status
Published
Publication Date
30-Nov-2003
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Dec-2003
Due Date
01-Dec-2003
Completion Date
01-Dec-2003

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Fixed Radio Systems; Point-to-point equipment; Parameters for radio system for the transmission of digital signals operating in the frequency range 24,50 GHz to 29,50 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 300 431 Version 1.2.1SIST EN 300 431 V1.2.1:2003en01-december-2003SIST EN 300 431 V1.2.1:2003SLOVENSKI

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SIST EN 300 431 V1.2.1:2003

ETSIEN300431V1.2.1(2000-11)EuropeanStandard(Telecommunicationsseries)FixedRadioSystems;Point-to-pointequipment;Parametersforradiosystemforthetransmissionofdigitalsignalsoperatinginthefrequencyrange24,50GHzto29,50GHzSIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)2ReferenceREN/TM-04076KeywordsArchitecture,DRRS,PDH,point-to-point,radio,SDH,transmissionETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°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:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)3ContentsIntellectualPropertyRights..........................................................................................................................5Foreword......................................................................................................................................................51Scope..................................................................................................................................................62References..........................................................................................................................................73Symbolsandabbreviations..................................................................................................................93.1Symbols......................................................................................................................................................93.2Abbreviations..............................................................................................................................................94Generalcharacteristics......................................................................................................................104.1Frequencybandsandchannelarrangements...............................................................................................104.1.1Channelarrangements..........................................................................................................................104.1.2Channelspacingforsystemsoperatingonthesameroute.....................................................................104.2Compatibilityrequirementsbetweensystems.............................................................................................114.3Performanceandavailabilityrequirements.................................................................................................114.4Environmentalconditions..........................................................................................................................114.4.1Equipmentwithinweatherprotectedlocations(indoorlocations)..........................................................114.4.2Equipmentfornon-weatherprotectedlocations(outdoorlocations).......................................................124.5Powersupply.............................................................................................................................................124.6Electromagneticcompatibility...................................................................................................................124.7Systemblockdiagram...............................................................................................................................124.8TelecommunicationsManagementNetwork(TMN)interface.....................................................................124.9Branching/feeder/antennacharacteristics....................................................................................................134.9.1Antennaradiationpatterns....................................................................................................................134.9.2Antennacross-PolarDiscrimination(XPD)..........................................................................................134.9.3AntennaInter-PortIsolation(IPI).........................................................................................................134.9.4Waveguideflanges(orotherconnectors)..............................................................................................134.9.5Returnloss...........................................................................................................................................135SystemParameters............................................................................................................................135.1Transmissioncapacity...............................................................................................................................135.2Basebandparameters.................................................................................................................................145.2.1Plesiochronousinterfaces.....................................................................................................................145.2.2SDHbasebandinterface.......................................................................................................................145.3Transmittercharacteristics.........................................................................................................................145.3.1Transmitterpowerrange......................................................................................................................145.3.2Transmitpowerandfrequencycontrol..................................................................................................155.3.2.1AutomaticTransmitPowerControl(ATPC)....................................................................................155.3.2.2RemoteTransmitPowerControl(RTPC)........................................................................................155.3.2.3RemoteFrequencyControl(RFC)...................................................................................................155.3.3Transmitteroutputpowertolerance......................................................................................................155.3.4TransmitLocalOscillator(LO)frequencyarrangements.......................................................................165.3.5RFspectrummask................................................................................................................................165.3.6Spectrallinesatthesymbolrate...........................................................................................................195.3.7Spuriousemissions...............................................................................................................................195.3.7.1Spuriousemissions-external..........................................................................................................195.3.7.2Spuriousemissions-internal..........................................................................................................195.3.8Radiofrequencytolerance....................................................................................................................205.4Receivercharacteristics.............................................................................................................................205.4.1Inputlevelrange..................................................................................................................................205.4.2Receiverlocaloscillatorfrequencyarrangements..................................................................................205.4.3Spuriousemissions...............................................................................................................................205.4.3.1Spuriousemissions-internal..........................................................................................................205.5Systemperformancewithoutdiversity.......................................................................................................205.5.1BERasafunctionofReceiverinputSignalLevel(RSL)......................................................................205.5.2EquipmentResidualBER.....................................................................................................................21SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)45.5.3Interferencesensitivity.........................................................................................................................215.5.3.1Co-channelinterferencesensitivity..................................................................................................225.5.3.2AdjacentchannelInterference.........................................................................................................225.5.3.3CWSpuriousInterference...............................................................................................................235.5.3.4Front-endnon-linearityrequirements(two-toneCWspuriousinterference)......................................245.5.4Distortionsensitivity............................................................................................................................245.6Systemcharacteristicswithdiversity..........................................................................................................24AnnexA(informative):Additionalinformation..............................................................................25A.1Radiofrequencychannelarrangement...............................................................................................25A.1.1Frequencyband24,50GHZto26,50GHz.................................................................................................25A.1.2Frequencyband27,50GHZto29,50GHz.................................................................................................26A.2Feeder/antennareturnloss.................................................................................................................27A.3AutomaticTransmitPowerControl(ATPC).....................................................................................27A.4RBER...............................................................................................................................................28A.5Co-channelandadjacentchannelinterference...................................................................................29AnnexB(normative):Void............................................................................................................33AnnexC(normative):Systemtypecodesforregulatoryprocedures...........................................34AnnexD(normative):OutputPowerToleranceandRBER.........................................................35History.......................................................................................................................................................36SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)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).Theformertitleofthepresentdocumentwas:"TransmissionandMultiplexing(TM);DigitalRadioRelaySystems(DRRS);Point-to-pointDRRSoperatinginthefrequencyrange24,25GHzto29,50GHz".NationaltranspositiondatesDateofadoptionofthisEN:13October2000DateoflatestannouncementofthisEN(doa):31January2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31July2001DateofwithdrawalofanyconflictingNationalStandard(dow):31July2001SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)61ScopeThepresentdocumentspecifiestheminimumperformanceparametersforterrestrialfixedserviceradiocommunicationsequipmentsoperatinginthefrequencyrange24,50GHzto29,50GHzandcontainsarevisionfromthepreviousversion,intheareasof:-introductionofuniquesystemtypecodesforregulatoryreferencetothevarioussystemtypesdetailedinthepresentdocument,refertonewAnnexCandrelatedcategoriesofequipmentclassesofspectralefficiency;-additionalsystemswithhigherspectrumefficiencyinthenewclass4systems;-changeofspectrummaskandadjacentchannelselectivityofSTM-0systemsin28MHzchannelspacingtoaligntoEN300639[34];-introductionofnewspectrumefficiencyclass5forSTM-1capacityfor28MHzAdjacentChannelAlternate-Polarization(ACAPasclass5a)andAdjacentChannelCo-Polarization(ACCPasclass5b),seeexamplesofthespectrumusageinfigures1.1aand1.1b;-changetospectrummaskforclass4(140Mbit/sto155Mbit/s)at"f5"toalignwiththemaskusedinthe23GHzand38GHzstandards;NOTE:Inapreviousversion,ofthepresentdocument,therewasprovisionfor:-furtheroptionsforGradeAdigitalradiosystems(with112MHzChannelseparation);-specificantennaradiationpatterns(nowsupersededbyEN300833[3]).TheseoptionsarenotreprintedinthepresentdocumentastheyareconsideredtobenolongerofinterestforETSImembers.However,forregulatorypurposes,theymaystillbereferencedfromthepreviousversionofthepresentdocument].Digitalsystemsareintendedtobeusedforpoint-to-pointconnectionsinlocalandregionalnetworksatdataratesbetween2Mbit/sandtheSynchronousTransportModule,level1(STM-1).Theparameterstobespecifiedfallintotwocategories:a)thosethatarerequiredtoprovidecompatibilitybetweenchannelsfromdifferentsourcesofequipmentonthesameroute,connectedeither:-toseparateantennas;or-toseparatepolarizationsofthesameantenna.b)parametersdefiningthetransmissionqualityoftheproposedsystem.ThepresentdocumentdealswithRadioFrequency(RF)andbasebandcharacteristicsrelevanttolow,mediumandhighcapacityPlesiochronousDigitalHierarchy(PDH)transmissionsystems,STM-0andSTM-1SynchronousDigitalHierarchy(SDH)transmissionsystems.Antenna/feedersystemrequirementsarecoveredinEN300833[3].SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)7Fordigitalsystems,withcapacitiesupto34Mbit/s,forclass2equipmenttherearealsotwotypesofequipmentspecified:-gradeAequipment,intendedforapplicationswheremoderatefrequencycongestionisenvisaged;-thedeploymentofGradeAequipmentinnewlinkswillbelimitedandstoppedoveraperiodoftime.Therefore,itislikelythatprovisionforGradeAequipmentwillberemovedfromthepresentdocumentduringthenextrevision;-gradeBequipment,intendedforapplicationswherehighernodalcapacityisrequired.Thepresentdocumentdoesnotcontainaspectsrelatedtotestproceduresandtestconditions,howevertheyaretobefoundinEN301126-1[2].Asthemaximumtransmissionrateinagivenbandwidthdependsonsystemspectralefficiency,differentequipmentclassesaredefined:class2:equipmentspectralefficiencybasedontypically4-statesmodulationscheme(e.g.4-FSK,4-QAM,orequivalent);class3:equipmentspectralefficiencybasedontypically8-statesmodulationscheme(e.g.8PSK,orequivalent);class4:equipmentspectralefficiencybasedontypically16or32-statesmodulationscheme(e.g.16-QAM,32-QAM,orequivalent);class5:equipmentspectralefficiencybasedontypically64or128-statesmodulationscheme(e.g.64-QAM,128-QAM,orequivalent).Theaboveclassesareindicativeonlyanddonotimplyanyconstrainttotheactualmodulationformat,providedthatalltherequirementsinthepresentdocumentaremet.Safetyaspectswillnotbeconsideredinthepresentdocument.HowevercompliancetoEN60950[35]willberequiredtocomplywithDirective1999/5/EC[36](R&TTE).TechnicalbackgroundformostoftheparametersandrequirementsreferredinthepresentdocumentmaybefoundinTR101036-1[21].2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]CEPTRecommendationT/R13-02:"Preferredchannelarrangementsforfixedservicesintherange22,0GHZto29,5GHz".[2]ETSIEN301126-1:"FixedRadioSystems;Conformancetesting;Part1:Point-to-Pointequipment-Definitions,generalrequirementsandtestprocedures".[3]ETSIEN300833:"FixedRadioSystems;PointtoPointAntennas;Antennasforpoint-to-pointfixedradiosystemsoperatinginthefrequencyband3GHzto60GHz".[4]ITU-RRecommendationF.748-3:"Radio-frequencychannelarrangementsforradio-relaysystemsoperatinginthe25,26and28GHzbands".SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)8[5]ETSIEN300645:"TelecommunicationsManagementNetwork(TMN);SynchronousDigitalHierarchy(SDH)radiorelayequipment;InformationmodelforuseonQinterfaces".[6]ETSIETS300019(allparts):"EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment".[7]ETSIETS300132-1:"EquipmentEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part1:Operatedbyalternatingcurrent(ac)derivedfromdirectcurrent(dc)sources".[8]ETSIETS300132-2:"EquipmentEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part2:Operatedbydirectcurrent(dc)".[9]ETSIEN301489-4:"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforradioequipmentandservices;Part4:Specificconditionsforfixedradiolinksandancillaryequipmentandservices".[10]ETSIETS300635:"TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH);RadiospecificfunctionalblocksfortransmissionofMxSTM-N".[11]ETSIETS300785:"TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH);RadiospecificfunctionalblocksfortransmissionofMxsub-STM-1".[12]ITU-RRecommendationF.750-3:"Architecturesandfunctionalaspectsofradio-relaysystemsforSDH-basednetworks".[13]ITU-RRecommendationF.751-2:"Transmissioncharacteristicsandperformancerequirementsofradio-relaysystemsforSDH-basednetworks".[14]ITU-RRecommendationF.1102:"Characteristicsofradio-relaysystemsoperatinginfrequencybandsaboveabout17GHz".[15]ITU-RRecommendationF.1189-1:"Errorperformanceobjectivesforconstantbitratedigitalpathsatorabovetheprimaryratecarriedbydigitalradio-relaysystemswhichmayformpartorallofthenationalportionofa27500kmhypotheticalreferencepath".[16]ITU-RRecommendationF.1191-1:"Bandwidthsandunwantedemissionsofdigitalradio-relaysystems".[17]ITU-RRecommendationP.530-8:"Propagationdataandpredictionmethodsrequiredforthedesignofterrestrialline-of-sightsystems".[18]ITU-TRecommendationG.703(1991):"Physical/electricalcharacteristicsofhierarchicaldigitalinterfaces".[19]ITU-TRecommendationG.707(1996):"Networknodeinterfaceforthesynchronousdigitalhierarchy(SDH)".[20]ITU-TRecommendationG.773(1993):"ProtocolsuitesforQ-interfacesformanagementoftransmissionsystems".[21]ETSITR101036-1:"FixedRadioSystems;Point-to-pointequipment;Genericwordingsforstandardsondigitalradiosystemscharacteristics;Part1:Generalaspectsandpoint-to-pointequipmentparameters".[22]IEC60154-2:"Flangesforwaveguides.Part2:Relevantspecificationsforflangesforordinaryrectangularwaveguides".[23]ITU-TRecommendationG.783(1994):"Characteristicsofsynchronousdigitalhierarchy(SDH)equipmentfunctionalblocks".[24]ITU-TRecommendationG.784(1994):"Synchronousdigitalhierarchy(SDH)management".[25]ITU-TRecommendationG.826(1993):"Errorperformanceparametersandobjectivesforinternational,constantbitratedigitalpathsatorabovetheprimaryrate".SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)9[26]ITU-TRecommendationG.708:"SubSTM-0networknodeinterfaceforthesynchronousdigitalhierarchy(SDH)".[27]ITU-TRecommendationG.957(1995):"Opticalinterfacesforequipmentsandsystemsrelatingtothesynchronousdigitalhierarchy".[28]ITU-TRecommendationO.151(1992):"Errorperformancemeasuringequipmentoperatingattheprimaryrateandabove".[29]ITU-TRecommendationO.181(1996):"EquipmenttoassesserrorperformanceonSTM-Ninterfaces".[30]IEC60153-2:"Hollowmetallicwaveguides.Part2:Relevantspecificationsforordinaryrectangularwaveguides".[31]CEPT/ERCRecommendation74-01:"SpuriousEmissions".[32]ETSITR101035(V1.1):"TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH)aspectsregardingDigitalRadioRelaySystems(DRRS)".[33]89/336/EEC(1989):"CouncilDirectiveontheapproximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility".[34]ETSIEN300639:"TransmissionandMultiplexing(TM);DigitalRadioRelaySystems(DRRS);Sub-STM-1DRRSoperatinginthe13GHz,15GHzand18GHzfrequencybandswithabout28MHzco-polarand14MHzcross-polarchannelspacing".[35]EN60950:"Safetyofinformationtechnologyequipment".[36]1999/5/EC(1999):"Directiveonradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity.3Symbolsandabbreviations3.1SymbolsForthepurposesofthepresentdocument,thefollowingsymbolsapply:dBdecibeldBmdecibelrelativeto1milliWattGHzGigaHertzkHzkiloHertzMbit/sMegabitspersecondMHzMegaHertzn.a.NotApplicableppmpartspermillion3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:acalternatingcurrentACAPAdjacentChannelAlternatePolarizationACCPAdjacentChannelCo-PolarizationATPCAutomaticTransmitPowerControlAUAdministrativeUnitBBBaseBandBBERBackgroundBlockErrorRateBERBitErrorRateC/ICarriertoInterferenceratioSIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)10CMICodedMarkInversionCWContinuousWavedcdirectcurrentDRRSDigitalRadioRelaySystemsEIRPEquivalentIsotropicallyRadiatedPowerEMCElectroMagneticCompatibilityESRErroredSecondRatioFSKFrequency-ShiftKeying(modulation)IFIntermediateFrequencyIPIInter-PortIsolationLOLocalOscillatorPDHPlesiochronousDigitalHierarchyPRBSPseudoRandomBinarySequenceQAMQuadratureAmplitudeModulationRBERResidualBERRFRadioFrequencyRFCRemoteFrequencyControlRSLReceiveSignalLevelRTPCRemoteTransmitPowerControlRxReceiverSDHSynchronousDigitalHierarchySOHSectionOverHeadSTM-0mediumcapacitySDHradioTransportModule51,840Mbit/sAU-3equivalent.STM-NSynchronousTransportModule,levelNsub-STM-0lowcapacitySDHradioTransportModule(ntimesVC-12orVC2equivalent)TMNTelecommunicationsManagementNetworkTxTransmitterVCVirtualContainerXPDcross-PolarDiscrimination4Generalcharacteristics4.1Frequencybandsandchannelarrangements4.1.1ChannelarrangementsThefrequencyrangeis24,50GHzto29,50GHz.ThechannelplanshallbeinaccordancewithCEPTRecommendationT/R13-02[1]orITU-RRecommendationF.748-3[4].Forreaderconvenience,thebasicparametersoftheCEPTRecommendationareshowninAnnexA.4.1.2ChannelspacingforsystemsoperatingonthesamerouteSystembitratesandtheirrelevantchannelspacinginthepresentdocumentarereportedintable1(fortheprecisepayloadbitrates,seesubclause5.1).NOTE:Accordingtosystemscharacteristicstheequipmentcanbeconnectedeithertoseparateantennasoronaseparatepolarizationtothesameantenna.SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)11Table1:DigitalsystemschannelspacingsforvariousbitratesPayloadBitRate[Mbit/s]22×282×83451140and155ChannelClass2equipments3,53,57142856Spacings[MHz]Class4equipments3,571414/2856Class5equipments28NOTE:n×2Mbit/sandn×34Mbit/sbitratesmaybeusedwhereappropriate.n×2Mbit/smappedintoSDHVC12transportbitrates(sub-STM-0definedbyITU-TRecommendationG.708[26])maybeusedwhereappropriate(e.g.threeorfourtimesVC12intoan8Mbit/schannelspacing).Theclass2,2Mbit/sin3,5MHzandtheclass4in28MHzreflectsequipmentmoretypicaltoaclass1(2Mbit/s)andclass3(STM-0)systemandasaresulttheadjacentchannelinterferenceparametersaremorestringent.Forregulatorypurposesinnationalproceduresforlicensingradioequipmentsaccordingtothepresentdocument,theabovesystemtypesshallbeidentifiedbythe"systemtypecodes"reportedinAnnexC.4.2CompatibilityrequirementsbetweensystemsThecompatibilityrequirementsbetweensystemsareasfollows:-thereshallbenorequirementtooperatetransmittingequipmentfromonemanufacturerwithreceivingequipmentfromanother;-thereshallnotbearequirementtomultiplexdifferentmanufacturersequipmentonthesamepolarizationofthesameantenna;-theremaybearequirementtomultiplexdifferentmanufacturersequipmentondifferentpolarizationofthesameantenna.Thiswillnotapplytosystemswithintegralantenna;-dependingontheapplication,itshallbepossibletooperatethesysteminverticaland/orhorizontalpolarization,ifrequiredbythechannelarrangement.4.3PerformanceandavailabilityrequirementsDigitalequipmentshallbedesignedinordertomeetnetworkperformanceandavailabilityrequirementsforeseenbyITU-TRecommendationG.826[25],followingthecriteriadefinedinITU-RRecommendationF.1189-1[15]forthenationalportionofthedigitalconnection.TheimplicationofthelinkdesignontheperformanceisrecognizedandthegeneraldesigncriteriareportedinITU-RRecommendationsP.530-8[17]andF.1102[14]shallbeapplied.4.4EnvironmentalconditionsTheequipmentshallberequiredtomeettheenvironmentalconditionssetoutinETS300019[6]whichdefinesweatherprotectedandnon-weatherprotectedlocations,classesandtestseverity.Themanufacturershallstatewhichclasstheequipmentisdesignedtowithstand.4.4.1Equipmentwithinweatherprotectedlocations(indoorlocations)EquipmentintendedforoperationwithintemperaturecontrolledlocationsorpartiallytemperaturecontrolledlocationsshouldmeettherequirementsofETS300019[6]classes3.1and3.2respectively.Optionally,themorestringentrequirementsofETS300019[6]classes3.3(non-temperaturecontrolledlocations),3.4(siteswithheattrap)and3.5(shelteredlocations)maybeapplied.SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)124.4.2Equipmentfornon-weatherprotectedlocations(outdoorlocations)Equipmentintendedforoperationwithinnon-weatherprotectedlocationsshallmeettherequirementsofETS300019[6],class4.1or4.1E.Class4.1appliestomanyEuropeancountriesandclass4.1EappliestoallEuropeancountries.4.5PowersupplyThepowersupplyinterfaceshallbeinaccordancewiththecharacteristicsofoneormoreofthesecondaryvoltagesforeseeninETS300132-1[7]andETS300132-2[8].NOTE:SomeapplicationsmayrequiresecondaryvoltagesthatarenotcoveredbyETS300132-1[7]andETS300132-2[8].4.6ElectromagneticcompatibilityEquipmentshalloperateundertheconditionsspecifiedinEN300385[9].4.7SystemblockdiagramFigure1:VoidMODULATORTRANSMITTERZ'E'A'TRANSMITRFFILTERB'BRANCHINGC'D'FEEDERFEEDERBRANCHINGRFFILTERD(*)CBRECEIVEARECEIVEREDEMODULATORZ(*)NOFILTERINGINCLUDED(*)NOTE1:Forthepurposeofdefiningthemeasurementpoints,thebranchingnetworkdoesnotincludeahybrid.NOTE2:Thepointsshownabovearereferencepointsonly;pointsCandC',DandD'ingeneralcoincide.NOTE3:PointsBandC,B'andC'maycoincidewhensimpleduplexerisused.Figure2:Systemblockdiagram4.8TelecommunicationsManagementNetwork(TMN)interfaceForSDHequipmentITU-TRecommendationsG.784[24]andG.773[20]andITU-RRecommendationsF.750-3[12]andF.751-2[13]givethegeneralrequirementsforTMNinterfaceandfunctionality.ETS300635[10],ETS300785[11]andEN300645[5]givetheradiospecificfunctionalblockdescriptionandtherelatedradiofragmentinformationmodelrespectively.NOTE:ThestandardizationofTMNinterfacefunctionalityisunderstudyinETSITMNandwillbeapplicabletotheradiorelaysystemsconsideredinthepresentdocument.SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)134.9Branching/feeder/antennacharacteristics4.9.1AntennaradiationpatternsSeeEN300833[3].4.9.2Antennacross-PolarDiscrimination(XPD)SeeEN300833[3].4.9.3AntennaInter-PortIsolation(IPI)SeeEN300833[3].4.9.4Waveguideflanges(orotherconnectors)WhenflangesarerequiredatreferencepointC,C',thefollowingshallbeusedaccordingtoIEC60154-2[22]:-UBR/PBR/CBR260,forthecompletefrequencyrange24,50GHzto29,50GHz;-UBR/PBR/CBR220,forthelowerpartofthefrequencyrange;-UBR/PBR/CBR320,forthehigherpartofthefrequencyrange.NOTE1:TheupperfrequencylimitforwaveguideR220is26,50GHz,accordingtoIEC60153-2[30].NOTE2:ThelowerfrequencylimitforwaveguideR320is26,50GHz,accordingtoIEC60153-2[30].4.9.5ReturnlossEquipmentaccordingtothepresentdocumentislikelytohaveintegralantennasorverysimilartechnicalsolutions,withoutlongfeederconnections;returnlossisnotconsideredanessentialrequirement.Whenanantennaisanintegralpartoftheequipmentthereshallbenorequirement.Forfeeder/antennareturnlossrequirementseeAnnexA.5SystemParameters5.1TransmissioncapacityPayloadbitratesconsideredinthepresentdocumentare:-2,048Mbit/s;-2×2,048Mbit/s;-8,448Mbit/s;-2×8,448Mbit/s;-34,68Mbit/s;-51,840Mbit/s(STM-0);-139,264Mbit/s;and-155,520Mbit/s(STM-1).SIST EN 300 431 V1.2.1:2003

ETSIETSIEN300431V1.2.1(2000-11)14Systemratesconfiguredasn-times2Mbit/sorn-times34Mbit/sorn-times2Mbit/smappedintoSDHVC-12(sub-STM-0)arealsoconsidered.Inthefollowingcl

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