ETSI EN 300 430 V1.2.1 (2000-10)

Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of STM-1 digital signals operating in the 18 GHz frequency band with channel spacing of 55 MHz and 27,5 MHz

REN/TM-04077

Fiksni radijski sistemi – Oprema tipa točka-točka – Parametri radijskih sistemov za prenos digitalnih signalov STM-1, ki delujejo v frekvenčnem pasu 18 GHz z medkanalskima razmikoma 55 MHz in 27,5 MHz

General Information

• Status: Published
• Publication Date: 16-Oct-2000
• Technical Committee: TM 4 - TM Fixed Radio Systems
• Current Stage: 13 - TB decision to make document historical
• Completion Date: 10-May-2007
• Ref Project: SIST EN 300 430 V1.2.1:2003 - Fixed Radio Systems; Point-to-point equipment; Parameters for radio systems for the transmission of STM-1 digital signals operating in the 18 GHz frequency band with channel spacing of 55 MHz and 27,5 MHz

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 radio systems for the transmission of STM-1 digital signals operating in the 18 GHz frequency band with channel spacing of 55 MHz and 27,5 MHz33.060.30Radiorelejni in fiksni satelitski komunikacijski sistemiRadio relay and fixed satellite communications systems33.040.20Prenosni sistemTransmission systemsICS:Ta slovenski standard je istoveten z:EN 300 430 Version 1.2.1SIST EN 300 430 V1.2.1:2003en01-december-2003SIST EN 300 430 V1.2.1:2003SLOVENSKI
STANDARD



SIST EN 300 430 V1.2.1:2003



ETSIEN300430V1.2.1(2000-10)EuropeanStandard(Telecommunicationsseries)FixedRadioSystems;Point-to-pointequipment;ParametersforradiosystemsforthetransmissionofSTM-1digitalsignalsoperatinginthe18GHzfrequencybandwithchannelspacingof55MHzand27,5MHzSIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)2ReferenceREN/TM-04077KeywordsDRRS,PDH,point-to-point,SDH,STM,transmission,architectureETSI650RoutedesLuciolesF-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 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.73Symbolsandabbreviations.93.1Symbols.93.2Abbreviations.94Generalcharacteristics.104.1Frequencybandsandchannelarrangements.104.1.1Channelarrangements.104.1.2Channelspacingforsystemsoperatingonthesameroute.104.2Compatibilityrequirementsbetweensystems.104.3Performanceandavailabilityrequirements.104.4Environmentalconditions.104.4.1Equipmentwithinweatherprotectedlocations(indoorlocations).114.4.2Equipmentfornon-weatherprotectedlocations(outdoorlocations).114.5Powersupply.114.6Electromagneticcompatibility.114.7Systemblockdiagram.114.8TelecommunicationsManagementNetwork(TMN)interface.124.9Branching/feeder/antennacharacteristics.124.9.1Antennaradiationpatterns.124.9.2Antennacross-PolarDiscrimination(XPD).124.9.3AntennaInter-PortIsolation(IPI).124.9.4Waveguideflanges(orotherconnectors).124.9.5Returnloss.125SystemParameters.125.1Transmissioncapacity.125.2Basebandparameters.125.2.1Plesiochronousinterfaces.135.2.2SDHbasebandinterface.135.3Transmittercharacteristics.135.3.1Transmitterpowerrange.135.3.2Transmitpowerandfrequencycontrol.135.3.2.1AutomaticTransmitPowerControl(ATPC).135.3.2.2RemoteTransmitPowerControl(RTPC).145.3.2.3RemoteFrequencyControl(RFC).145.3.3Transmitteroutputpowertolerance.145.3.4TransmitLocalOscillator(LO)frequencyarrangements.145.3.5RFspectrummask.155.3.6Spectrallinesatthesymbolrate.185.3.7Spuriousemissions.185.3.7.1Spuriousemissions-external.185.3.7.2Spuriousemissions-internal.195.3.8Radiofrequencytolerance.195.4Receivercharacteristics.195.4.1Inputlevelrange.195.4.2Receiverimagerejection.195.4.3Spuriousemissions-external.205.4.4Spuriousemissions-internal.205.5Systemperformancewithoutdiversity.205.5.1BERasafunctionofReceiverinputSignalLevel(RSL).205.5.2EquipmentResidualBER.20SIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)45.5.3Interferencesensitivity.215.5.3.1Co-channelinterferencesensitivity.215.5.3.2AdjacentchannelInterference.215.5.3.3CWSpuriousInterference.225.5.4Distortionsensitivity.225.6Systemcharacteristicswithdiversity.22AnnexA(informative):Additionalinformation.23A.1Radiofrequencychannelarrangement.23A.2Feeder/antennareturnloss.23A.3AutomaticTransmitPowerControl(ATPC).24A.4Spectrummasks.24A.5RBER.25A.6Co-channelandadjacentchannelinterference.25AnnexB(normative):EssentialrequirementsfortheECCouncilDirective89/336(EMCDirective).28AnnexC(normative):Systemtypecodesforregulatoryprocedures.29Bibliography.30History.31SIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)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).ThepresentdocumentcontainstheminimumtechnicalrequirementstoensurecompatibilityofproductsandconformancewithradioregulationsacrossETSImemberstates.Radioterminalsfromdifferentmanufacturersarenotrequiredtointerworkatradiofrequency(i.e.nocommonairinterface).However,terminalsmaybecombinedwithothermanufacturers'equipmentonaRadioFrequency(RF)branchingnetworkforoperationondifferentpolarizations.Thepresentdocumentdefinestherequirementsofradioterminalandradiorelayequipmentandassociatedinterfaces.Therequirementsformultiplex,networkmanagementandantenna/feederequipmentmaybeaddressedelsewhere.TheclausescontainingessentialrequirementsforCouncilDirective89/336/EEC[30](EMCDirective)arereportedinannexB.Theformertitleofthepresentdocumentwas:"TransmissionandMultiplexing(TM);DigitalRadioRelaySystems(DRRS);HighcapacityDRRScarryingPDHand1xSynchronousTransportModule-level1(1xSTM-1)signalsoperatinginthe18GHzfrequencybandwithchannelspacingof55MHzand27,5MHz".NationaltranspositiondatesDateofadoptionofthisEN:13October2000DateoflatestannouncementofthisEN(doa):31January2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31July2001DateofwithdrawalofanyconflictingNationalStandard(dow):31July2001SIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)61ScopeThepresentdocumentspecifiesparametersforhighcapacitySTM-1digitalradio-relaysystemsdesignedtooperateinthe17,7GHzto19,7GHzband.Thechannelspacingbetweenadjacentco-polarchannelsshallbe55MHzor27,5MHz.OperationintheAdjacentChannelCo-Polarization(ACCP)modeforclass4systemsandclass5systemsasdefinedbelowwithorthogonalpolarizationsorinthealternatedcross-polarmodeisforeseen.Additionallyforclass4systems,operationintheCo-ChannelDualPolarized(CCDP)modewithorthogonalpolarizationisalsoforeseen.Thepresentdocumentcoversbothsingleandmulti-channelsystems.Thepresentdocumentspecifiestheminimumperformanceparametersforterrestrialfixedserviceradiocommunicationsequipmentoperatinginthefrequencyrange17,7GHzto19,7GHzandcontainsarevisionfromthepreviousversion,intheareaof:-categorizationofpreviouslyconsideredequipmentsintoanewspectrumefficiencyclass4;-introductionofuniquesystemtypecodesforregulatoryreferencetothevarioussystemtypesdetailedinthepresentdocument,refertonewannexCandrelatedcategoriesofequipmentclassesofspectralefficiency;-newspectrumefficiencyclass5forSTM-1capacityfor27,5MHzAdjacentChannelAlternate-Polarization(ACAPasclass5a)andAdjacentChannelCo-Polarization(ACCPasclass5b),seeexamplesofthespectrumusageinfigures1.1aand1.1b:Figure1-technicalspecificationsrelevanttotheEMCDirective,detailedinannexB.Theapplicationsofthesedigitalradio-relaysystemsareanticipatedtobeintheregionalandaccessnetworks,atdataratesofSynchronousTransportModule,level1(STM-1).Theparameterstobespecifiedfallintotwocategories:a)thosethatarerequiredtoprovidecompatibilitybetweenchannelsfromdifferentsourcesofequipmentonthesamerouteconnectedeitherto:-separateantennas;or-separatepolarizationsofthesameantenna;or-onepolarizationofoneantennaatafrequencyseparationof110MHzormore,enabling,inadditionforclass4equipmentonly,interworkingofdifferentmanufacturersequipmentatthesameRadioFrequency(RF)branching;-thiscategoryalsoincludesparametersprovidingcompatibilitywiththeexistingradio-relaynetwork.b)parametersdefiningthetransmissionqualityoftheproposedsystem.ThestandardizationdealswithRFandbasebandcharacteristics.Antenna/feedersystemrequirementsarecoveredinEN300833[33].TwopossiblebasebandinterfacesforSDHsystemshavetobeconsidered:oneforSTM-1andanotherfor140Mbit/ssignals.Thepresentdocumentdoesnotcontainaspectsrelatedtotestproceduresandtestconditions,howevertheyaretobefoundinEN301126-1[19].SIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)7Asthemaximumtransmissionrateinagivenbandwidthdependsonsystemsspectralefficiency,differentclassesaredefined:-class4:equipmentspectralefficiencybasedontypically16or32-statesmodulationscheme(e.g.16-QAM,32-QAM,orequivalent);-class5:equipmentspectralefficiencybasedontypically64or128-statesmodulationscheme(e.g.64-QAM,128-QAM,orequivalent).Theaboveclassesareindicativeonlyanddonotimplyanyconstrainttotheactualmodulationformat,providedthatalltherequirementsinthepresentdocumentaremet.Safetyaspectswillnotbeconsideredinthepresentdocument.HowevercompliancetoEN60950[28]willberequiredtocomplywithDirective1999/5/EC[29](R&TTE).TechnicalbackgroundformostoftheparametersandrequirementsreferredinthepresentdocumentmaybefoundinTR101036-1[20].2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]CEPTRecommendation12-03:"Harmonizedradiofrequencychannelarrangementsfordigitalterrestrialfixedsystemsoperatingintheband17,7GHzto19,7GHz".[2]ITU-RRecommendationF.595-6:"Radio-frequencychannelarrangementsforradio-relaysystemsoperatinginthe18GHzfrequencyband".[3]ITU-RRecommendationF.634-4:"Errorperformanceobjectivesforrealdigitalradio-relaylinksformingpartofthehigh-gradeportionofinternationaldigitalconnectionsatabitratebelowtheprimaryratewithinanintegratedservicesdigitalnetwork".[4]ITU-RRecommendationF.695:"Availabilityobjectivesforrealdigitalradio-relaylinksformingpartofahigh-gradecircuitwithinanintegratedservicesdigitalnetwork".[5]ITU-RRecommendationF.750-3:"Architecturesandfunctionalaspectsofradio-relaysystemsforSDH-basednetworks".[6]ITU-RRecommendationF.751-2:"Transmissioncharacteristicsandperformancerequirementsofradio-relaysystemsforSDH-basednetworks".[7]ITU-RRecommendationF.1191-1:"Bandwidthsandunwantedemissionsofdigitalradio-relaysystems".[8]ETSIETS300019-1:"EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment;Part1:Classificationofenvironmentalconditions".[9]ETSIETS300019-2:"EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment;Part2:Specificationofenvironmentaltests".[10]ETSIETS300132-1:"EquipmentEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part1:Operatedbyalternatingcurrent(ac)derivedfromdirectcurrent(dc)sources".SIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)8[11]ETSIETS300132-2:"EquipmentEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part2:Operatedbydirectcurrent(dc)".[12]ITU-TRecommendationG.703:"Physical/electricalcharacteristicsofhierarchicaldigitalinterfaces".[13]ITU-TRecommendationG.773:"ProtocolsuitesforQ-interfacesformanagementoftransmissionsystems".[14]ITU-TRecommendationG.784:"Synchronousdigitalhierarchy(SDH)management".[15]ITU-TRecommendationG.821:"Errorperformanceofaninternationaldigitalconnectionoperatingatabitratebelowtheprimaryrateandformingpartofanintegratedservicesdigitalnetwork".[16]ITU-TRecommendationG.826:"Errorperformanceparametersandobjectivesforinternational,constantbitratedigitalpathsatorabovetheprimaryrate".[17]ITU-TRecommendationG.957:"Opticalinterfacesforequipmentsandsystemsrelatingtothesynchronousdigitalhierarchy".[18]ETSIEN301489-4:"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforradioequipmentandservices;Part4:Specificconditionsforfixedradiolinksandancillaryequipmentandservices".[19]ETSIEN301126-1:"FixedRadioSystems;Conformancetesting;Part1:Point-to-Pointequipment-Definitions,generalrequirementsandtestprocedures".[20]ETSITR101036-1:"FixedRadioSystems;Point-to-pointequipment;Genericwordingsforstandardsondigitalradiosystemscharacteristics;Part1:Generalaspectsandpoint-to-pointequipmentparameters".[21]ETSIETS300635:"TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH);RadiospecificfunctionalblocksfortransmissionofMxSTM-N".[22]ETSIEN300645:"TelecommunicationsManagementNetwork(TMN);SynchronousDigitalHierarchy(SDH)radiorelayequipment;InformationmodelforuseonQinterfaces".[23]CEPT/ERCRecommendation74-01:"Spuriousemissions".[24]ITU-TRecommendationO.151(1992):"Errorperformancemeasuringequipmentoperatingattheprimaryrateandabove".[25]ITU-TRecommendationO.181(1996):"EquipmenttoassesserrorperformanceonSTM-Ninterfaces".[26]ETSITR101035:"TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH)aspectsregardingDigitalRadioRelaySystems(DRRS)".[27]IEC60154-2:"Flangesforwaveguides;Part2:Relevantspecificationsforflangesforordinaryrectangularwaveguides".[28]EN60950:"Safetyofinformationtechnologyequipment".[29]Directive1999/5/ECoftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity.[30]CouncilDirective89/336/EECof3May1989ontheapproximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility.[31]ETSIETS300785:"TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH);RadiospecificfunctionalblocksfortransmissionofMxsub-STM-1".[32]CEPTRecommendation13-02:"Preferredchannelarrangementsforfixedservicesintherange22,0GHzto29,5GHz".SIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)9[33]ETSIEN300833:"FixedRadioSystems;PointtoPointAntennas;Antennasforpoint-to-pointfixedradiosystemsoperatinginthefrequencyband3GHzto60GHz".3Symbolsandabbreviations3.1SymbolsForthepurposesofthepresentdocument,thefollowingsymbolsapply:dBdecibeldBmdecibelrelativeto1milliWattGHzGigaHertzkHzkiloHertzMbit/sMegabitspersecondMHzMegaHertzppmpartspermillion3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:acalternatingcurrentACAPAdjacentChannelAlternatePolarizationACCPAdjacentChannelCo-PolarizationATPCAutomaticTransmitPowerControlAUAdministrativeUnitBBBaseBandBBERBackgroundBlockErrorRateBERBitErrorRateC/ICarriertoInterferenceratioCMICodedMarkInversionCWContinuousWaveDRRSDigitalRadioRelaySystemsEMCElectroMagneticCompatibilityERCEuropeanRadiocommunicationsCommitteeESRErroredSecondsRatioIFIntermediateFrequencyIPIInter-PortIsolationLOLocalOscillatorNFDNetFilterDiscriminationPDHPlesiochronousDigitalHierarchyPRBSPseudoRandomBinarySequenceQAMQuadratureAmplitudeModulationRBERResidualBERRFRadioFrequencyRFCRemoteFrequencyControlRSLReceiveSignalLevelRTPCRemoteTransmitPowerControlSDHSynchronousDigitalHierarchySOHSectionOverHeadSTM-NSynchronousTransportModule,levelNTMNTelecommunicationsManagementNetworkXPDcross-PolarDiscriminationSIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)104Generalcharacteristics4.1Frequencybandsandchannelarrangements4.1.1ChannelarrangementsThesystemsarerequiredtooperateinthe17,7GHzto19,7GHzfrequencyband,withachannelspacingof55MHzor27,5MHz.TheequipmentshallbecapableofoperatingtothechannelplansspecifiedinCEPTRecommendation12-03[1]orITU-RRecommendationF.595-6[2].Forreaderconvenience,thebasicparametersoftheCEPTRecommendationareshowninannexA.4.1.2ChannelspacingforsystemsoperatingonthesamerouteSystembitratesandtheirrelevantchannelspacinginthepresentdocumentarereportedintable1(fortheprecisepayloadbitrates,seesubclause5.1).NOTE:Accordingtosystemscharacteristicstheequipmentcanbeconnectedeithertoseparateantennasoronaseparatepolarizationtothesameantenna.Table1:DigitalsystemschannelspacingsforvariousbitratesPayloadBitRate[Mbit/s]140and155ChannelClass4equipments55Spacing[MHz]Class5equipments55/27,5Forregulatorypurposesinnationalproceduresforlicensingradioequipmentaccordingtothepresentdocument,theabovesystemtypesshallbeidentifiedbythe"systemtypecodes"reportedinannexC.4.2CompatibilityrequirementsbetweensystemsThecompatibilityrequirementsbetweensystemsareasfollows:a)thereshallbenorequirementtooperatetransmittingequipmentfromonemanufacturerwithreceivingequipmentfromanother;b)theremaybearequirementtomultiplexdifferentmanufacturersequipmentonthesamepolarizationofthesameantenna;c)theremaybearequirementtomultiplexdifferentmanufacturersequipmentondifferentpolarizationofthesameantenna.Thiswillnotapplytosystemswithintegralantenna.4.3PerformanceandavailabilityrequirementsSystemsconsideredinthepresentdocumentshallbeabletorespectITU-Rhighgradeperformanceobjectives,i.e.ITU-RRecommendations634-4[3]and695[4],ITU-TRecommendationG.821[15]andtheperformanceobjectivesderivedfromITU-TRecommendationG.826[16].4.4EnvironmentalconditionsTheequipmentshallberequiredtomeettheenvironmentalconditionssetoutinETS300019-1[8]andETS300019-2[9]whichdefinesweatherprotectedandnon-weatherprotectedlocations,classesandtestseverity.Themanufacturershallstatewhichclasstheequipmentisdesignedtowithstand.SIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)114.4.1Equipmentwithinweatherprotectedlocations(indoorlocations)EquipmentintendedforoperationwithintemperaturecontrolledlocationsorpartiallytemperaturecontrolledlocationsshallmeettherequirementsofETS300019-1[8]andETS300019-2[9]classes3.1and3.2respectively.Optionally,themorestringentrequirementsofETS300019-1[8]andETS300019-2[9]classes3.3(non-temperaturecontrolledlocations),3.4(siteswithheattrap)and3.5(shelteredlocations)maybeapplied.4.4.2Equipmentfornon-weatherprotectedlocations(outdoorlocations)Equipmentintendedforoperationwithinnon-weatherprotectedlocationsshallmeettherequirementsofETS300019-1[8]andETS300019-2[9],class4.1or4.1E.Class4.1appliestomanyEuropeancountriesandclass4.1EappliestoallEuropeancountries.4.5PowersupplyThepowersupplyinterfaceshallbeinaccordancewiththecharacteristicsofoneormoreofthesecondaryvoltagesforeseeninETS300132-1[10]andETS300132-2[11].NOTE:SomeapplicationsmayrequiresecondaryvoltagesthatarenotcoveredbyETS300132-1[10]andETS300132-2[11].ForDCsystems,thepositivepoleofthevoltagesupplywillbeearthedatthesource.4.6ElectromagneticcompatibilityEquipmentshalloperateundertheconditionsspecifiedinEN300385[18].4.7SystemblockdiagramMODULATORTRANSMITTERZ'E'A'TRANSMITRFFILTERB'BRANCHINGC'D'FEEDERFEEDERBRANCHINGRFFILTERD(*)CBRECEIVEARECEIVEREDEMODULATORZ(*)NOFILTERINGINCLUDED(*)NOTE1:Forthepurposeofdefiningthemeasurementpoints,thebranchingnetworkdoesnotincludeahybrid.NOTE2:Thepointsshownabovearereferencepointsonly;pointsCandC',DandD'ingeneralcoincide.NOTE3:PointsBandC,B'andC'maycoincidewhensimpleduplexerisused.NOTE4:Inoutdoorequipment,thebranchingnetworkmaybeimplementedbyacommonTx-Rxduplexer.Figure2:SystemblockdiagramSIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)124.8TelecommunicationsManagementNetwork(TMN)interfaceForSDHequipmentITU-TRecommendationsG.784[14]andG.773[13]andITU-RRecommendationsF.750-3[5]andF.751-2[6]givethegeneralrequirementsforTMNinterfaceandfunctionality.ETS300635[21],ETS300785[31]andEN300645[22]givetheradiospecificfunctionalblockdescriptionandtherelatedradiofragmentinformationmodelrespectively.NOTE:ThestandardizationofTMNinterfacefunctionalitiesisunderstudyinETSITMNandwillbeapplicabletotheradiorelaysystemsconsideredinthepresentdocument.4.9Branching/feeder/antennacharacteristics4.9.1AntennaradiationpatternsSeeEN300833[33].4.9.2Antennacross-PolarDiscrimination(XPD)SeeEN300833[33].4.9.3AntennaInter-PortIsolation(IPI)SeeEN300833[33].4.9.4Waveguideflanges(orotherconnectors)WhenflangesarerequiredatreferencepointC,C',thefollowingIEC60154-2[27]typesshallbeused:-waveguidetypeR220withawaveguideflangetypePDR220/PBR220/UDR220/UBR220;or-waveguidetypeR180withflangesPDR180/PBR180/UDR180/UBR180.4.9.5ReturnlossForfeeder/antennareturnlossrequirementseeannexA.5SystemParameters5.1TransmissioncapacityPayloadbitratesconsideredinthepresentdocumentare:-139,264Mbit/s;and-155,520Mbit/s(STM-1).Inthefollowingclauses,thesecapacitieswillbesimplyreferredas140Mbit/s,and155Mbit/s(STM-1)respectively.5.2BasebandparametersAllthefollowingspecifiedbasebandparametersrefertopointZandZ'offigure2.Parametersforservicechannelsandwaysidetrafficchannelsareoutsidethescopeofthepresentdocument.SIST EN 300 430 V1.2.1:2003



ETSIETSIEN300430V1.2.1(2000-10)135.2.1PlesiochronousinterfacesPlesiochronousinterfacesat140Mbit/sshallcomplywithITU-TRecommendationG.703[12].5.2.2SDHbasebandinterfaceTheSDHbasebandinterfaceshallbeinaccordancewithITU-TRecommendationsG.703[12],G.784[14]andG.957[17]andITU-RRecommendationF.750-3[5].TwoSTM-1interfacesshallbepossible:-CMIelectrical(ITU-TRecommendationG.703[12]);-Optical(ITU-TRecommendationG.957[17]).TheuseofreservedbytescontainedintheSectionOverHead(SOH),andtheirterminationshallbeinaccordancewithITU-RRecommendationF.750-3[5].NOTE:FurtherdetailsonthepossibleuseoftheSOHbytesreservedforfutureinternationalstandardizationaregiveninTR101035[26].5.3Trans
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