SIST EN 300 431 V1.3.1:2003
(Main)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
General Information
- Abstract
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
- 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
Overview
SIST EN 300 431 V1.3.1:2003 is a European standard developed by the Slovenski inštitut za standardizacijo (SIST), defining the minimum requirements for fixed radio systems used in point-to-point (P-P) digital transmission within the frequency range of 24.50 GHz to 29.50 GHz. This standard addresses the radio parameters, channel arrangements, performance, and compatibility for digital radio relay systems operating in local and regional networks. It aims to facilitate interoperability, regulatory compliance, and optimal performance of telecommunication networks, focusing particularly on spectrum usage efficiency, system classification, and spectrum mask requirements.
Key Topics
- Frequency Range: Covers systems operating between 24.50 GHz and 29.50 GHz, aligning channel arrangements with CEPT and ITU-R recommendations.
- System Types and Capacity:
- Supports a range of digital payload bitrate classes, from 2 Mbit/s up to STM-1 (155 Mbit/s).
- Defines equipment with varying spectral efficiency classes, allowing for different modulation techniques and higher data capacities.
- Spectrum Mask and CW Components:
- Specifies RF spectrum mask requirements to limit out-of-band and spurious emissions, ensuring adjacent channel protection.
- Introduces a subsection on Continuous Wave (CW) components, critical for maintaining spectral integrity and minimizing interference.
- Environmental and Compatibility Requirements:
- Details the environmental conditions for indoor and outdoor installations.
- Outlines compatibility parameters but does not require inter-manufacturer transmitter-receiver interoperability on the same antenna polarization.
- Transmission Quality:
- Sets performance and availability requirements according to international standards.
- Addresses electromagnetic compatibility and transmitter power constraints.
Applications
Fixed radio systems standardized under SIST EN 300 431 V1.3.1:2003 are essential for:
- Telecommunications Backhaul: Providing high-capacity, reliable links for mobile networks, fixed voice/data networks, and broadband internet backhaul.
- Enterprise WAN Solutions: Used in metropolitan and regional networks to connect multiple sites with high-speed, secure communication.
- Critical Infrastructure Communications: Supporting utilities, transportation, and public safety applications requiring resilient, low-latency links.
- Spectrum Efficiency Initiatives: Equipment classes and spectrum masks enable operators to maximize use of valuable high-frequency spectrum, support denser deployment, and align with evolving European regulatory frameworks.
Related Standards
This standard references and complements several key international and European standards, including:
- CEPT Recommendation T/R 13-02: Channel arrangements for fixed services in the 22.0 GHz to 29.5 GHz frequency range.
- EN 300 833: Requirements for antennas used in point-to-point radio systems up to 60 GHz.
- EN 301 126-1: Conformance testing procedures for point-to-point radio equipment.
- EN 300 385: Electromagnetic compatibility (EMC) for fixed radio links.
- ITU-T Recommendations (e.g., G.703, G.707): Covering digital interface and synchronous hierarchy requirements.
- IEC 60154-2: Waveguide flange specifications relevant for high-frequency connections.
By adhering to SIST EN 300 431 V1.3.1:2003, manufacturers and operators ensure their point-to-point digital radio relay systems meet robust technical and regulatory standards, fostering interoperability, network reliability, and efficient use of the 24.50-29.50 GHz spectrum.
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Frequently Asked Questions
SIST EN 300 431 V1.3.1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "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". This standard covers: 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
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
SIST EN 300 431 V1.3.1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.040.20 - Transmission systems; 33.060.30 - Radio relay and fixed satellite communications systems. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 431 V1.3.1:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
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
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]
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