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

To insert in the mentioned EN's resp.ETS's for P-P radio relay systems a subsection on CW components wihin the section of the spectrum mask

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

General Information

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

Buy Standard

Standard
SIST EN 300 431 V1.3.1:2003
English language
38 pages
sale 10% off
Preview
sale 10% off
Preview

e-Library read for
1 day

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 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 1.3.1SIST EN 300 431 V1.3.1:2003en01-december-2003SIST EN 300 431 V1.3.1:2003SLOVENSKI

STANDARD
SIST EN 300 431 V1.3.1:2003

ETSIEN300431V1.3.1(2001-02)EuropeanStandard(Telecommunicationsseries)FixedRadioSystems;Point-to-pointequipment;Parametersforradiosystemforthetransmissionofdigitalsignalsoperatinginthefrequencyrange24,50GHzto29,50GHzSIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)2ReferenceREN/TM-04111-12Keywordsarchitecture,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.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)3ContentsIntellectualPropertyRights................................................................................................................................5Foreword.............................................................................................................................................................51Scope........................................................................................................................................................62References................................................................................................................................................73Symbolsandabbreviations.......................................................................................................................93.1Symbols..............................................................................................................................................................93.2Abbreviations...................................................................................................................................................104Generalcharacteristics...........................................................................................................................104.1Frequencybandsandchannelarrangements....................................................................................................104.1.1Channelarrangements.................................................................................................................................104.1.2Channelspacingforsystemsoperatingonthesameroute..........................................................................114.2Compatibilityrequirementsbetweensystems..................................................................................................114.3Performanceandavailabilityrequirements......................................................................................................114.4Environmentalconditions.................................................................................................................................114.4.1Equipmentwithinweatherprotectedlocations(indoorlocations)..............................................................124.4.2Equipmentfornon-weatherprotectedlocations(outdoorlocations)..........................................................124.5Powersupply....................................................................................................................................................124.6Electromagneticcompatibility..........................................................................................................................124.7Systemblockdiagram......................................................................................................................................124.8TelecommunicationsManagementNetwork(TMN)interface.........................................................................134.9Branching/feeder/antennacharacteristics.........................................................................................................134.9.1Antennaradiationpatterns..........................................................................................................................134.9.2Antennacross-PolarDiscrimination(XPD)...............................................................................................134.9.3AntennaInter-PortIsolation(IPI)...............................................................................................................134.9.4Waveguideflanges(orotherconnectors)...................................................................................................134.9.5Returnloss..................................................................................................................................................135SystemParameters.................................................................................................................................145.1Transmissioncapacity......................................................................................................................................145.2Basebandparameters........................................................................................................................................145.2.1Plesiochronousinterfaces...........................................................................................................................145.2.2SDHbasebandinterface..............................................................................................................................145.3Transmittercharacteristics................................................................................................................................155.3.1Transmitterpowerrange.............................................................................................................................155.3.2Transmitpowerandfrequencycontrol.......................................................................................................155.3.2.1AutomaticTransmitPowerControl(ATPC)........................................................................................155.3.2.2RemoteTransmitPowerControl(RTPC).............................................................................................155.3.2.3RemoteFrequencyControl(RFC)........................................................................................................165.3.3Transmitteroutputpowertolerance............................................................................................................165.3.4TransmitLocalOscillator(LO)frequencyarrangements...........................................................................165.3.5RFspectrummask......................................................................................................................................165.3.6DiscreteCWlinesexceedingthespectrummasklimit...............................................................................195.3.6.1Spectrallinesatthesymbolrate............................................................................................................195.3.6.2Otherspectrallines................................................................................................................................205.3.7Spuriousemissions.....................................................................................................................................205.3.7.1Spuriousemissions-external................................................................................................................215.3.7.2Spuriousemissions-internal................................................................................................................215.3.8Radiofrequencytolerance..........................................................................................................................215.4Receivercharacteristics....................................................................................................................................215.4.1Inputlevelrange.........................................................................................................................................215.4.2Receiverlocaloscillatorfrequencyarrangements......................................................................................215.4.3Spuriousemissions.....................................................................................................................................225.4.3.1Spuriousemissions-internal................................................................................................................225.5Systemperformancewithoutdiversity.............................................................................................................22SIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)45.5.1BERasafunctionofReceiverinputSignalLevel(RSL)...........................................................................225.5.2EquipmentResidualBER...........................................................................................................................235.5.3Interferencesensitivity................................................................................................................................235.5.3.1Co-channelinterferencesensitivity.......................................................................................................245.5.3.2AdjacentchannelInterference...............................................................................................................255.5.3.3CWSpuriousInterference.....................................................................................................................255.5.3.4Front-endnon-linearityrequirements(two-toneCWspuriousinterference)........................................265.5.4Distortionsensitivity...................................................................................................................................265.6Systemcharacteristicswithdiversity...............................................................................................................26AnnexA(informative):Additionalinformation..................................................................................27A.1Radiofrequencychannelarrangement...................................................................................................27A.1.1Frequencyband24,50GHZto26,50GHz.......................................................................................................27A.1.2Frequencyband27,50GHZto29,50GHz.......................................................................................................28A.2Feeder/antennareturnloss......................................................................................................................29A.3AutomaticTransmitPowerControl(ATPC).........................................................................................29A.4RBER.....................................................................................................................................................30A.5Co-channelandadjacentchannelinterference.......................................................................................31AnnexB(normative):EssentialrequirementsfortheECCouncilDirective89/336(EMCDirective)........................................................................................................35AnnexC(normative):Systemtypecodesforregulatoryprocedures.............................................36AnnexD(normative):OutputPowerToleranceandRBER............................................................37History..............................................................................................................................................................38SIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)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).TheclausescontainingessentialrequirementsforECCouncilDirective89/336(EMCDirective)arereportedinannexB.Theformertitleofthepresentdocumentwas:"TransmissionandMultiplexing(TM);DigitalRadioRelaySystems(DRRS);Point-to-pointDRRSoperatinginthefrequencyrange24,25GHzto29,50GHz".NationaltranspositiondatesDateofadoptionofthisEN:16February2001DateoflatestannouncementofthisEN(doa):31May2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):30November2001DateofwithdrawalofanyconflictingNationalStandard(dow):30November2001SIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)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;-technicalspecificationsrelevanttotheEMCDirective,detailedinannexB.NOTE:Inapreviousversion(ETS300431),therewasprovisionfor:-furtheroptionsforGradeAdigitalradiosystems(with112MHzChannelseparation);-specificantennaradiationpatterns(nowsupersededbyEN300833[3]).TheseoptionsarenotreprintedinthepresentdocumentastheyareconsideredtobenolongerofinterestforETSImembers.However,forregulatorypurposes,theymaystillbereferencedfromETS300431.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 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)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;Point-to-pointAntennas;Antennasforpoint-to-pointfixedradiosystemsoperatinginthefrequencyband3GHzto60GHz".[4]ITU-RRecommendationF.748-3:"Radio-frequencychannelarrangementsforradio-relaysystemsoperatinginthe25,26and28GHzbands".SIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)8[5]ETSIEN300645:"TelecommunicationsManagementNetwork(TMN);SynchronousDigitalHierarchy(SDH)radiorelayequipment;InformationmodelforuseonQinterfaces".[6]ETSIETS300019(allparts):"EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment".[7]ETSIETS300132-1(allparts):"EquipmentEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part1:Operatedbyalternatingcurrent(ac)derivedfromdirectcurrent(dc)sources".[8]ETSIETS300132-2(allparts):"EquipmentEngineering(EE);Powersupplyinterfaceattheinputtotelecommunicationsequipment;Part2:Operatedbydirectcurrent(dc)".[9]ETSIEN300385:"ElectromagneticcompatibilityandRadiospectrumMatters(ERM);ElectroMagneticCompatibility(EMC)standardforfixedradiolinksandancillaryequipment".[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-relaysystemsforsynchronousdigitalhierarchySDH-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 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)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(V1.1.3):"TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH)aspectsregardingDigitalRadioRelaySystems(DRRS)".[33]CouncilDirective89/336/EECof3May1989ontheapproximationofthelawsoftheMemberStatesrelatingtoelectromagneticcompatibility.[34]ETSIEN300639:"FixedRadioSystems;Point-to-pointequipment;Sub-STM-1digitalradiosystemsoperatinginthe13GHz,15GHzand18GHzfrequencybandswithabout28MHzco-polarand14MHzcross-polarchannelspacing".[35]EN60950:"Safetyofinformationtechnologyequipmentincludingelectricalbusinessequipment".[36]Directive1999/5/ECoftheEuropeanParliamentandoftheCouncilof9March1999onradioequipmentandtelecommunicationsterminalequipmentandthemutualrecognitionoftheirconformity.3Symbolsandabbreviations3.1SymbolsForthepurposesofthepresentdocument,thefollowingsymbolsapply:dBdecibeldBmdecibelrelativeto1milliWattGHzGigaHertzkHzkiloHertzMbit/sMegabitspersecondMHzMegaHertzn.a.NotApplicableppmpartspermillionSIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)103.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:acalternatingcurrentACAPAdjacentChannelAlternatePolarizationACCPAdjacentChannelCo-PolarizationATPCAutomaticTransmitPowerControlAUAdministrativeUnitBBBaseBandBBERBackgroundBlockErrorRateBERBitErrorRateC/ICarriertoInterferenceratioCMICodedMarkInversionCSminminimumpracticalChannelSeparation(foragivenradio-frequencychannelarrangement)CWContinuousWavedcdirectcurrentDRRSDigitalRadioRelaySystemsEIRPEquivalentIsotropicallyRadiatedPowerEMCElectroMagneticCompatibilityESRErroredSecondRatioFSKFrequency-ShiftKeying(modulation)IFIntermediateFrequencyIPIInter-PortIsolationLOLocalOscillatorPDHPlesiochronousDigitalHierarchyPRBSPseudoRandomBinarySequenceQAMQuadratureAmplitudeModulationRBERResidualBERRFRadioFrequencyRFCRemoteFrequencyControlRSLReceiveSignalLevelRTPCRemoteTransmitPowerControlRxReceiverSDHSynchronousDigitalHierarchySOHSectionOverHeadSTM-0mediumcapacitySDHradioTransportModule51,840Mbit/sAU-3equivalentSTM-NSynchronousTransportModule,levelNsub-STM-0lowcapacitySDHradioTransportModule(ntimesVC-12orVC2equivalent)TMNTelecommunicationsManagementNetworkTxTransmitterVCVirtualContainerXPDcross-PolarDiscrimination4Generalcharacteristics4.1Frequencybandsandchannelarrangements4.1.1ChannelarrangementsThefrequencyrangeis24,50GHzto29,50GHz.ThechannelplanshallbeinaccordancewithCEPTRecommendationT/R13-02[1]orITU-RRecommendationF.748-3[4].Forreaderconvenience,thebasicparametersoftheCEPTRecommendationareshowninannexA.SIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)114.1.2ChannelspacingforsystemsoperatingonthesamerouteSystembitratesandtheirrelevantchannelspacinginthepresentdocumentarereportedintable1(fortheprecisepayloadbitrates,seeclause5.1).NOTE:Accordingtosystemscharacteristicstheequipmentcanbeconnectedeithertoseparateantennasoronaseparatepolarizationtothesameantenna.Table1: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.SIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)124.4.1Equipmentwithinweatherprotectedlocations(indoorlocations)EquipmentintendedforoperationwithintemperaturecontrolledlocationsorpartiallytemperaturecontrolledlocationsshouldmeettherequirementsofETS300019[6]classes3.1and3.2respectively.Optionally,themorestringentrequirementsofETS300019[6]classes3.3(non-temperaturecontrolledlocations),3.4(siteswithheattrap)and3.5(shelteredlocations)maybeapplied.4.4.2Equipmentfornon-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].4.7SystemblockdiagramMODULATORTRANSMITTERZ'E'A'TRANSMITRFFILTERB'BRANCHINGC'D'FEEDERFEEDERBRANCHINGRFFILTERD(*)CBRECEIVEARECEIVEREDEMODULATORZ(*)NOFILTERINGINCLUDED(*)NOTE1:Forthepurposeofdefiningthemeasurementpoints,thebranchingnetworkdoesnotincludeahybrid.NOTE2:Thepointsshownabovearereferencepointsonly;pointsCandC',DandD'ingeneralcoincide.NOTE3:PointsBandC,B'andC'maycoincidewhensimpleduplexerisused.Figure2:SystemblockdiagramSIST EN 300 431 V1.3.1:2003

ETSIETSIEN300431V1.3.1(2001-02)134.8TelecommunicationsManagementNetwork(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.4.9Branching/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,

...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.