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

General revision/alignment of existing Standard to current ETSI Standards that takes account of new technologies, including the introduction of 27.5 MHz channel spacing for SDH/PDH high capacity systems.

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: 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 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

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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