SIST EN 300 463 V1.1.2:2003
(Main)Transmission and Multiplexing (TM); Requirements of passive Optical Access Networks (OANs) to provide services up to 2 Mbit/s bearer capacity
General Information
- Abstract
The revision of this document is exclusively restricted to the provisions related to Safety. cal change, the revision will be editorial.
- 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 300 463 V1.1.2:2003 defines the key requirements for passive Optical Access Networks (OANs) providing service capabilities up to 2 Mbit/s bearer capacity. Developed by the Slovenian Institute for Standardization (SIST) and harmonized with EN 300 463 (ETSI), this standard outlines the necessary features and safety provisions to support current and future telecommunication demands using cost-effective and flexible optical fiber technologies. The standard focuses on passive network elements and access solutions, ensuring reliable, scalable, and safe optical network architectures.
Key Topics
- Passive Optical Access Networks (OANs): The specification covers the architecture and function of OANs, which link customers to network nodes using passive optical elements, thus minimizing active electronic dependencies in the access section.
- Flexible Service Provisioning: OANs described in the standard are capable of supporting multiple telecommunications services for both business and residential users, such as:
- Plain Old Telephone Service (POTS)
- Leased lines
- Packet data
- ISDN Basic and Primary Rate Access
- nx64 kbit/s and structured/unstructured 2 Mbit/s services
- Network Elements: The critical components defined include:
- Optical Line Termination (OLT): The network-side interface managing optical fiber connections and service cross-connect.
- Optical Network Unit (ONU): Installed on customer premises or in the field, ONUs provide user-side interfaces, service adaptation, and required protocol conversion.
- Optical Distribution Network (ODN): The passive optical infrastructure allowing point-to-multipoint connectivity via splitters and fiber branches.
- Transmission and Multiplexing: The standard supports Time Division Multiple Access (TDMA) and Subcarrier Multiple Access (SCMA) methods, and describes the reach and split ratios for ODNs, with operation distances up to 20 km.
- Safety and Reliability: The scope of the latest revision is exclusively limited to safety provisions, ensuring regulatory compliance and safe operation of all network elements.
- Synchronization and Management: Definitions for timing, synchronization, and Operations, Administration, and Maintenance (OAM) required for robust network operations.
Applications
SIST EN 300 463 V1.1.2:2003 is crucial for telecommunications providers and equipment manufacturers deploying optical fiber access networks. The practical value includes:
- Scalable Broadband Access: Enables flexible bandwidth allocation and supports diverse user requirements without the need for service-specific overlay networks.
- Futureproof Infrastructure: Designed to evolve with growing data demands, supporting both narrowband and high-speed services.
- Residential and Business Connectivity: Suitable for Fiber to the Home (FTTH), Fiber to the Building (FTTB), or Fiber to the Kerb (FTTK) deployments.
- Integration with Existing Networks: Facilitates interoperation with ISDN interfaces, leased lines, and supports legacy analog services using modern optical infrastructure.
- Reduced Operational Costs: Leverages passive components, reducing energy consumption and maintenance.
- Enhanced Safety Compliance: Ensures that all passive optical equipment meets established safety requirements, minimizing risks in implementation and maintenance.
Related Standards
To comprehensively address network design and interoperability, SIST EN 300 463 V1.1.2:2003 references and complements the following international standards:
- EN 60950 – Safety of information technology equipment
- ETSI ETS 300 681 – Optical Distribution Network for OANs
- ETSI ETS 300 736 – Operation and maintenance of Optical Access Networks
- ITU-T G.703, G.704, G.803 – Physical and synchronization characteristics in digital transmission
- ETSI ETS 300 011 / 012 – ISDN user-network interface specifications
- ETSI ETS 300 019 – Environmental conditions for telecom equipment
By adhering to these standards, network operators ensure seamless interoperability, safety, and network efficiency throughout the deployment and operation of passive optical access networks.
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Frequently Asked Questions
SIST EN 300 463 V1.1.2:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Transmission and Multiplexing (TM); Requirements of passive Optical Access Networks (OANs) to provide services up to 2 Mbit/s bearer capacity". This standard covers: The revision of this document is exclusively restricted to the provisions related to Safety. cal change, the revision will be editorial.
The revision of this document is exclusively restricted to the provisions related to Safety. cal change, the revision will be editorial.
SIST EN 300 463 V1.1.2:2003 is classified under the following ICS (International Classification for Standards) categories: 33.040.20 - Transmission systems. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 463 V1.1.2:2003 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.Transmission and Multiplexing (TM); Requirements of passive Optical Access Networks (OANs) to provide services up to 2 Mbit/s bearer capacity33.040.20Prenosni sistemTransmission systemsICS:Ta slovenski standard je istoveten z:EN 300 463 Version 1.1.2SIST EN 300 463 V1.1.2:2003en01-december-2003SIST EN 300 463 V1.1.2:2003SLOVENSKI
STANDARD
ETSIEN300463V1.1.2(2000-06)EuropeanStandard(Telecommunicationsseries)TransmissionandMultiplexing(TM);RequirementsofpassiveOpticalAccessNetworks(OANs)toprovideservicesupto2Mbit/sbearercapacitySIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)2ReferenceREN/TM-01088Keywordsaccess,bearer,network,optical,transmissionETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.63Definitionsandabbreviations.83.1Definitions.83.2Abbreviations.94ConfigurationofanOAN.104.1Topologicalandfunctionalissues.104.2Servicecapability.135ONU.135.1Descriptionoffunctions.135.1.1ONUcoreshell.145.1.2ONUserviceshell.145.1.3ONUcommonshell.145.2ONUdimensions.145.3UsertoNetworkInterfaces(UNIs).155.4ONUpowerconsiderations.166ODN.166.1GeneralODNrequirements.166.2ReachlimitationsandsplitratiosoftheODN.177OLT.177.1Descriptionoffunctions.187.1.1OLTcoreshell.187.1.2OLTserviceshell.197.1.3OLTcommonshell.197.2OLTdimensions.197.3SNIs.208SpecificattributesofOANs.208.1Transmissionmethod.208.2OperatingwavelengthrangeforanOAN.208.2.1SDM.218.2.2TCM.218.2.3WDM.218.2.4FDM.218.3Signaltransferdelay.219Timingandsynchronization.229.1Synchronizationarchitecture.229.2ProtectionandONUtiming.239.3Synchronizationinterfaces.239.3.1Jitterandwandertolerance.239.4Network-sideinterfacesforsynchronousservices.239.4.1Jitterandwandertolerance.239.4.2Jitterandwandergeneration.239.5User-sideinterfacesforsynchronousservices.249.5.1Jitterandwandertolerance.249.5.2Jitterandwandergeneration.249.6Timingrequirementsforasynchronousservices.2410OAM.2410.1GeneralOAMrequirements.24SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)410.2Lineconfigurationandtesting.2510.3OANoperation.2511SecurityofOANs.2611.1Generalinformation.2611.2Identificationandauthentication.2611.3Accesscontrol.2711.4Accountabilityandaudit.2711.5Accuracy.2711.6Availability.2711.7Dataexchange.2711.8Layersofphysicalsecurity.2811.8.1Physicalsecurityfunction.2811.8.2Transmissionsystemsecurityfunction.2811.8.3Servicesecurityfunction.2912Safety.2913Reliabilityandavailability.2914UpgradeofOANs.3014.1ODNconsiderations.3014.2ONUconsiderations.31AnnexA(informative):RelationshipbetweentypesandclassesforONUs.32AnnexB(informative):AnexamplepowerconsumptionforanOAN.33AnnexC(informative):Signaltransferdelaymeasurementtechnique.35AnnexD(informative):FrameworktocapturetheOAMrequirements.36D.1AnalysisofOAMrequirementsbyfunctionalsub-systems.36D.2Examplesforlinecircuitsupervision.37D.3AnalysisofOAMrequirementsbyfunctionalcategory.38D.3.1Accessandsecurity.38D.3.2Configurationandresourcemanagement.38D.3.3Performancemanagement.39D.3.4Event(alarm)management.40D.3.5Financialaccountingmanagement.41Bibliography.42History.43SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinSR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeTransmissionandMultiplexing(TM).Thepresentdocumentdescribescosteffectiveandflexibleaccessnetworksusingopticalfibretechnologyandisdesignedtoprovidebothservicestomeetthecurrentdemandsandaninfrastructure,whichisabletosatisfytherequirementsofthefuture.NationaltranspositiondatesDateoflatestannouncementofthisEN(doa):30September2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31March2001DateofwithdrawalofanyconflictingNationalStandard(dow):31March2001SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)61ScopeThepresentdocumentdescribescosteffectiveandflexibleaccessnetworksusingopticalfibretechnology.Thepresentdocumentisdesignedtoprovidebothservicestomeetthecurrentdemandsandaninfrastructure,whichisabletosatisfytherequirementsofthefuture.ThepresentdocumentdescribesthecharacteristicsofanOpticalAccessNetwork(OAN)withthecapabilityoftransportinginteractiveservices,basedon64kbit/sbearercapabilities,betweentheUserNetworkInterface(UNI)andthelocalexchange.ThepresentdocumentconsidersanOANcapableofprovidingbusinessandresidentialcustomerswitharangeofservices(upto2Mbit/s)overapassivesplitopticalnetwork.Distributiveservices(e.g.cabletelevision)areoutsidethescopeofthepresentdocument.TheOANdescribedinthepresentdocumenthasconsideredtherequirementfortheaccessnetworktoadapttothechangingrequirementsofindividualcustomersintermsofcapacity,flexibilityandtypesofservicesofferedwithouttheneedfornetworkoperatorstoprovideservicespecificoverlaynetworks.TheconsideredsystemswithinthepresentdocumentarebasedonTimeDivisionMultipleAccess(TDMA)and/orSubcarrierMultipleAccess(SCMA)methods.Oneandtwofibresystemsaredescribed.ThepresentdocumentconsidersOANswheretheOpticalDistributionNetwork(ODN)isbasedonpoint-to-multipointtreeandbranchoptionsasdescribedinETS300681[4].Thepresentdocumentisnotacompletesystemdefinition.Itidentifiesaspectsthatcanbedefinedwithoutpreventingtransmissioninnovation.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ECSYN287(1990):"Proposalforthecouncildirectiveconcerningtheprotectionofindividualsinrelationtotheprocessingofpersonaldata".[2]ECSYN288(1990):"Proposalforthedirectiveconcerningtheprotectionofpersonaldataandprivacyinthecontextofpublicdigitaltelecommunicationnetworks,inparticulartheintegratedservicesdigitalnetwork(ISDN)andpublicdigitalmobilenetworks".[3]EN60950:"Safetyofinformationtechnologyequipment,includingelectricalbusinessequipment".[4]ETSIETS300681(1996):"TransmissionandMultiplexing(TM);OpticaldistributionnetworkforOpticalAccessNetworks(OANs)".[5]ETSIETS300736:"TransmissionandMultiplexing(TM);OperationandmaintenanceofOpticalAccessNetworks(OANs)".[6]ETSIETR080:"TransmissionandMultiplexing(TM);IntegratedServicesDigitalNetwork(ISDN)basicrateaccess;Digitaltransmissionsystemonmetalliclocallines".[7]ETSIETS300011:"IntegratedServicesDigitalNetwork(ISDN);Primaryrateuser-networkinterface;Layer1specificationandtestprinciples".SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)7[8]ETSIETS300012:"IntegratedServicesDigitalNetwork(ISDN);Basicuser-networkinterface;Layer1specificationandtestprinciples".[9]ETSIETS300019:"EquipmentEngineering(EE);Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment".[10]ETSIETS300233:"IntegratedServicesDigitalNetwork(ISDN);AccessdigitalsectionforISDNprimaryrate".[11]ETSIETS300288:"BusinessTeleCommunications(BTC);64kbit/sdigitalunrestrictedleasedlinewithoctetintegrity(D64U);Networkinterfacepresentation".[12]ETSIETS300324:"SignallingProtocolsandSwitching(SPS);VinterfacesatthedigitalLocalExchange(LE);V5.1interfaceforthesupportofAccessNetwork(AN)".[13]ETSIETS300347:"SignallingProtocolsandSwitching(SPS);VinterfacesatthedigitalLocalExchange(LE);V5.2interfaceforthesupportofAccessNetwork(AN)".[14]ETSIEN300376-1:"TelecommunicationsManagementNetwork(TMN);Q3interfaceattheAccessNetwork(AN)forconfigurationmanagementofV5interfacesandassociateduserports;Part1:Q3interfacespecification".[15]ETSIEN300378-1:"TelecommunicationsManagementNetwork(TMN);Q3interfaceattheAccessNetwork(AN)forfaultandperformancemanagementofV5interfacesandassociateduserports;Part1:Q3interfacespecification".[16]ETSIETS300462-2:"TransmissionandMultiplexing(TM);Genericrequirementsforsynchronizationnetworks;Part2:Synchronizationnetworkarchitecture".[17]ETSIETS300462-5:"TransmissionandMultiplexing(TM);Genericrequirementsforsynchronizationnetworks;Part5:TimingcharacteristicsofslaveclockssuitableforoperationinSynchronousDigitalHierarchy(SDH)equipment".[18]ETSIETS300418:"BusinessTeleCommunications(BTC);2048kbit/sdigitalunstructuredandstructuredleasedlines(D2048UandD2048S);Networkinterfacepresentation".[19]ITU-TRecommendationG.703:"Physical/electricalcharacteristicsofhierarchicaldigitalinterfaces".[20]ITU-TRecommendationG.704:"Synchronousframestructuresusedat1544,6312,2048,8488and44736kbit/shierarchicallevels".[21]ITU-TRecommendationG.803:"Architecturesoftransportnetworksbasedonthesynchronousdigitalhierarchy(SDH)".[22]ITU-TRecommendationG.823:"Thecontrolofjitterandwanderwithindigitalnetworkswhicharebasedonthe2048kbit/shierarchy".[23]ITU-TRecommendationG.832:"TransportofSDHelementsonPDHnetworks:Frameandmultiplexingstructures".[24]ITU-TRecommendationI.430:"Basicuser-networkinterface-Layer1specification".[25]ITU-TRecommendationM.3010:"Principlesforatelecommunicationsmanagementnetwork".[26]ECITSEC:"InformationTechnologySecurityCriteria(ITSEC)".[27]ETSIEG201212:"ElectricalSafety;Classificationofinterfacesforequipmenttobeconnectedtotelecommunicationnetworks".SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)83Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingdefinitionsapply:accesslink:wholeoftransmissionmeansbetweenagivennetworkinterfaceandasingleuserinterface.TheconceptofaccesslinkisusedinordertoallowafunctionalandproceduraldescriptionandadefinitionofthenetworkrequirementsNOTE1:Theuser-sideandthenetwork-sideoftheaccesslinkarenotidenticalandthereforetheaccesslinkisnotsymmetrical.AdaptationUnit(AU):providesadaptationfunctionsbetweentheOpticalNetworkUnit(ONU)andtheuser-sidediplexworking:bi-directionalcommunicationusingadifferentwavelengthforeachdirectionoftransmissionoverasinglefibreduplexworking:bi-directionalcommunicationusingthesamewavelengthforbothdirectionsoftransmissionoverasinglefibreFieldReplaceableUnit(FRU):lowestlevelofmaintenancespareandwilltypicallybeaplug-incard.ThemodulesofanOpticalLineTermination(OLT)andONUshouldbeFRUsfullaccess:givennootherconnections,anyslotononesideoftheconcentratormaybeconnectedtoanyslotontheothersideoftheconcentratormultiplexingstatic:systemofmultiplexingwheretherelationshipbetweenthepositionofthetributariestothemultiplexedformat(channels)ispredeterminedandfixedmultiplexingdynamic:systemofmultiplexingwheretherelationshipbetweenthepositionofthetributariestothemultiplexedformat(channels)isflexible.Italsoallowsfortributariestobeaggregatedwheretherearemoretributariesthanavailablechannelsandthepossibilitytovarythebandwidthtontimesthecapacityofthechannelsnon-blocking:anyallowableconnectionmaybemadeatanytime,regardlessoftheorderinwhichconnectionsareestablishedorremoved(Anallowableconnectionassumesthattherespectiveslotsarefree)OpticalAccessNetwork(OAN):setofaccesslinkssharingthesamenetwork-sideinterfacesandsupportedbyopticalaccesstransmissionsystemsNOTE2:TheOANmayincludeanumberofODNsconnectedtothesameOLT.OpticalDistributionNetwork(ODN):providestheopticaltransmissionmeansfromtheOLTtowardstheusers,andviceversaOpticalLineTermination(OLT):providesthenetwork-sideinterfaceoftheOANandisconnectedtooneormoreODNsOpticalNetworkUnit(ONU):provides(directlyorremotely)theuser-sideinterfaceoftheOANandisconnectedtotheODNopticalfilter:devicefortheselectionofopticalsignalsatopticalspecificwavelengthsopticalpowersplitter:devicethathasninputswithkoutputs,wheren=1tokandk2passivecomponent:componentpartoftheODNthatdoesnotrequireexternalpower,i.e.fibre,splitter,filterpoint-to-multipoint:transmissionsystem,whichcanhaveoneinputoroutputatoneendwithmultipleinputsoroutputsattheotherendPassiveOpticalNetwork(PON):subsetofanODNandreferstoapoint-to-multipointoptionSpaceDivisionMultiplexing(SDM):bi-directionalmultiplexingusingdifferentfibresforupanddownstreamsignalsSIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)9SubCarrierMultiplexing(SCM):multiplexingmultipleelectricalfrequenciesontoasinglefibreatasinglewavelengthtoprovideanindividualfrequencytoeachmultipointtopointpathserialnumber:referencenumberassignedtoanobject,component,etc.servicechannel:eachbearerserviceisallocatedaservicechannelinthePONsystems.e.g.a64kbit/schanneltosupportthePublicSwitchedTelephoneNetwork(PSTN)ServiceUnit(SU):FRUthatsupportsserviceinterface(ServiceUnit(SU))function(s)simplexworking:communicationwhichusesadifferentfibreforeachdirectionoftransmissionTimeCompressionMultiplexing(TCM):bi-directionalmultiplexingusingdifferenttimeslotsforupanddownstreamsignalsTimeDivisionMultiplexing(TDM):multiplexinginformationontofixedtimerangesTributaryUnit(TU):FRUwithoneormoretributaryinterfacefunctionsWavelengthDivisionMultiplexing(WDM):bi-directionalmultiplexingusingdifferentopticalwavelengthforupanddownstreamsignals3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ACAlternatingCurrentA/DAnaloguetoDigital(conversion)ANAccessNetworkATMAsynchronousTransferModeAUAdaptationUnitBABasicAccessB-ISDNBroadbandIntegratedServicesDigitalNetworkDCDirectCurrentD/ADigitaltoAnalogue(conversion)D2048S2048kbit/sdigitalstructuredONPleasedlineD2048U2048kbit/sdigitalunstructuredONPleasedlineFDMFrequencyDivisionMultiplexingFITLFibreInTheLoopFRUFieldReplaceableUnitISDNIntegratedServicesDigitalNetworkISDN-BAISDN-BasicAccessITSECInformationTechnologySecurityCriteriaMTBFMeanTimeBetweenFailuresMTTRMeanTimeToRepairNNINetworktoNetworkInterfaceNTNetworkTerminationNT1NetworkTermination1OAMOperationsAdministrationandMaintenanceOANOpticalAccessNetworkODNOpticalDistributionNetworkOLTOpticalLineTerminationONPOpenNetworkProvisionONUOpticalNetworkUnitOSOperationsSystemOSIOpenSystemsInterconnectionOTDROpticalTimeDomainReflectometerPONPassiveOpticalNetworkPOTSPlainOldTelephonyServicesppmpartspermillionPRAPrimaryRateAccessPRCPrimaryReferenceClockPSTNPublicSwitchedTelephoneNetworkSIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)10QANQinterfacefortheAccessNetworkSCMSubCarrierMultiplexingSCMASubCarrierMultipleAccessSDHSynchronousDigitalHierarchySDMSpaceDivisionMultiplexingSNIServiceNodeInterfaceSPFSignallingProcessingFunctionSSUSynchronizationSupplyUnitSUServiceUnitTCMTimeCompressionMultiplexingTDMTimeDivisionMultiplexingTDMATimeDivisionMultipleAccessTUTributaryUnitUIppUnitIntervalspeaktopeakUNIUserNetworkInterfaceVCVirtualContainerVFVoiceFrequencyWDMWavelengthDivisionMultiplexing4ConfigurationofanOANTheconfigurationofanOANisconsideredinthisclause.ItprovidesanintroductiontothedetailedrequirementsofanOAN.NOTE:ThefunctionalarchitectureissuesareunderstudyinETSISubTechnicalCommittee(STC)TM3.4.1TopologicalandfunctionalissuesAconfigurationforanOANisshowninfigure1.AnOANconsistsof:a)oneOLT;b)atleastoneODN;c)atleastoneONU;d)AUs.TheODNprovidestheopticaltransmissionmeansfromtheOLTtowardstheusersandviceversa.ONUsprovidetheuser-sideinterfaceoftheOANandareconnectedtotheODN.ThefunctionscomprisedbytheAUincludeadaptationoftheserviceinterfacingbetweenONUanduser(e.g.conversionofdatacommunicationprotocolsandrates)aswellastransportationoftheserviceoverthelastdropbetweentheONUanduserwhentheseinterfacesdonotcoincide(e.g.NetworkTermination1(NT1)forIntegratedServicesDigitalNetwork,BasicAccess(ISDN-BA)).ThereferencepointsUserNetworkInterface(UNI)andServiceNodeInterface(SNI)aswellastheQ3interfaceshowninfigure1.TheRandSreferencepointsaredescribedinETS300681[4].NOTE:StandardizationworkrelatedtosuchanAUisoutsidethescopeofthepresentdocument.SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)11AUAccesslinkUsersideNetworksideONUS/RS/RSNIUNIONUODNOLTANSystemManagementQ3LineFigure1:ExampleconfigurationforanOANAfunctionalarchitectureoftheOANinaccordancewiththeprinciplesofITU-TRecommendationG.803[21]isshowninfigure2.ISDN-BAistheadaptedserviceshowninthisarchitecture.TheServiceNodeInterface(SNI)isaccordingtoV5.1;seeETS300324[12].ThemultiplexingoftheuserindividualD-channelsisperformedonahigherlayerandnotshowninthisstructure.ThestructureofDandD*arenotidentical.Althoughanumberofotheroptionsexist(e.g.leasedlines,V5.2,etc.)theyarenotshownonthisdiagram.SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)12OpticalsectiontrailWavelength1WavelengthnFibreadaptationFibreterminationOpticalterminationE/OAdaptationODNtransmissionprotocolTTPODNtransmissionprotocoltrailPayload/ODNtransmissionprotocoladaptationBCodedringing,hook(+dial)DG.704connection(V5.1)AdaptationsofISDNBAandPOTSintoG.704(forV5.1)G.702terminationAdaptationintoPOTSlinePOTSlineterminationPOTSlineAdaptationintoISDNBAlineISDNBAterminationS/TbusAdaptationterminationS/TbusCopperlineAdaptationtermination(NT1)MediumlayerOpticallayerTransmissionsectionlayerTransmissionpathlayerD*Figure2:ExamplearchitectureconfigurationfortheOANSIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)134.2ServicecapabilityTheOANshallbecapableofsupportingthefollowingservices:a)POTS;b)leasedlines;c)packetdata;d)ISDN-BA;e)ISDNPrimaryRateAccess(ISDN-PRA);f)nx64kbit/s;g)2Mbit/s(structuredorunstructured).5ONUTheONUprovidesanopticalinterfacetowardstheODNandimplementstheinterfacesatthecustomersideoftheOAN.ONUsshallbelocatedonthecustomer'spremises(fibretothehome,fibretotheoffice,fibretothebuilding)orinthefieldaspartoftheopticalaccesssection(fibretothekerb).TheONUprovidesthemeansnecessaryfordeliveringthedifferentservicesthataretobehandledbythesystem.5.1DescriptionoffunctionsFigure3showsafunctionaldescriptionoftheONU.ItisusefulforstandardizationpurposestoconsidertheONUintermsofthreeparts,thesearedefinedas:a)coreshell;b)serviceshell;c)commonshell.Thefunctionalityoftheseshellsisdescribedinsubclauses5.1.1to5.1.3.****CommonshellCoreshellServiceshellODNCustomerServiceinterfacefunctionServiceinterfacefunctionCustomerandservicesMultiplexfunctionTransmissionmultiplexfunctionODNinterfacefunctionOAMfunctionPowersupplyfunctionFigure3:ONUfunctionalblocksSIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)145.1.1ONUcoreshellTheONUcoreshellincludes:a)ODNinterface;b)transmissionmultiplexing;c)customerandservicemultiplexingfunctions.TheODNinterfacefunctionprovidesasetofopticalphysicalinterfacefunctionsterminatingtherelevantsetofopticalfibresoftheODN,andincludesoptical/electricalandelectrical/opticalconversion.ThetransmissionmultiplexingfunctionprovidesthenecessaryfunctionsforevaluationandallocationoftheincomingandoutgoingsignalsfromandtotheODNInterfaceFunctionextractingandinputtingtheinformationrelevanttothisONU.Thecustomerandservicemultiplexerfunctionassembles/disassemblestheinformationfrom/tothedifferentsubscribersandconnectstheindividualserviceinterfacefunctions.5.1.2ONUserviceshellTheONUserviceshellprovidestheserviceinterfacefunctions.Theserviceinterfacefunctionsprovidethecustomerserviceinterfacesandtheiradaptationinto64kbit/sornx64kbit/s.Thefunctioncanbeprovidedforasinglecustomeroragroupofcustomers.Italsoprovidessignallingconversionfunctionsaccordingtothephysicalinterface(e.g.ringing,signalling,AnaloguetoDigital(A/D)andDigitaltoAnalogue(D/A)conversions).5.1.3ONUcommonshellTheONUcommonshellincludespowersupplyandOperationsAdministrationandMaintenance(OAM)functions.ThepowersupplyfunctionprovidesthepoweringtotheONU(e.g.AlternatingCurrent(AC)toDirectCurrent(DC)orDCtoDCconversion).Powershallbeprovidedlocally(frommains)orremotely.ThepowersupplymaybesharedbyseveralONUs.TheONUshallbecapableofoperatingviaabatteryback-upsource.TheOAMfunctionprovidesthemeanstohandletheOAMfunctionalitytoallblocksoftheONU(e.g.controlofloopbacksinthedifferentblocks).NOTE:Forlocalcontrolaninterfacemaybeprovidedfortestingpurposes.5.2ONUdimensionsTheONUdimensionsconsideredinthissubclauserefertoissuesrelatingtotheservicecapacity.AnONUisdefinedasbeingofaspecifictypeandbelongingtoaspecificclass.Fivetypesandthreeclassesaredescribed.ThetypesaredescribedintermsofnumberofPOTScircuits,whichcanbeprovidedandareshownintable1:Table1:ONUtypedescriptionMaximumnumberofPOTScircuitsthatcanbeequippedTypeI4POTSTypeII12POTSTypeIII30POTSTypeIV60POTSTypeV120POTSSIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)15TheclassesofONUaredefinedbythemaximumthroughputrequiredatthecustomersideoftheONU.ThisisdefinedintermsoftheusableBchannels(whereBisa64kbit/sbearerchannel).Controlandsignallingchannelsarenotgenerallyincludedexceptwherecarriedwithinthebearerchannels(e.g.ISDNPrimaryRateAccess(ISDNPRA)).Threeclassesaredefinedasshownintable2:Table2:ONUClassdescriptionMaximumnumberofBchannelsClass14BClass232BClass364BONUtypesandclassesaboveandbelowthevaluesdescribedintables1and2havenotbeendefinedandareforfurtherstudy.ItshallbepossibletoreallocateunusedBchannelsfromoneONUtoanyotherONUuptotheirmaximumcapacity.Forexample:aclass3ONUhasamaximumthroughputof64B.Ifonly30POTSlinesarerequiredthen34BcanbereallocatedtootherONUs.ItshallbepossibletomixdifferentONUtypesandclassesonthesameODN.TherelationshipsbetweentypesandclassesaredescribedinannexA.Tocalculatetheaboveservicecapacitiesthefollowingequivalentsshallbeused:1x64kbit/s:=1analoguetelephoneaccess(POTS);=1analoguecustomeraccessforfixedconnections(leasedline);=1digitalcustomeraccessforfixedconnections64kbit/s(leasedline);=1dataaccess<64kbit/s;=1/2ISDN-BA;=1/32ISDN-PRA;=1/32digitalcustomeraccessforfixedconnections1984Mbit/s(leasedline);=1/32digitalcustomeraccessforfixedconnections2048Mbit/s(unstructuredleasedline).TheSUsoftheONUsasanexamplemaybeequippedasfollows:2analoguetelephoneaccesses(POTS)percard;2analoguefixedaccesses(leasedlines)percard;2digitalfixedaccesses64kbit/s(leasedlines)percard;1ISDN-BA(Tinterface)percard;1ISDN-BA(Lineinterface)percard;1ISDN-PRApercardand1digitalfixedaccess2Mbit/s(leasedline)percard.5.3UsertoNetworkInterfaces(UNIs)ThenarrowbandISDNandPOTSinterfaceshavebeenidentifiedandtheexistingUNIsshallbeused:analoguetelephonyservices:national;analogueleasedlineservices:national;ISDN-BA:ETS300012[8]:forISDNBA,thisalsocouldbealineinterface,wheretheNTisconnectedtotheONUusingatransmissionsystemaccordingtoETR080[6];ISDN-PRA:ETS300011[7];circuitswitchedandpacketdataservices:thecustomerinterfacefordataservicesshouldbe64kbit/saccordingtoITU-TRecommendationG.703[19];or2Mbit/saccordingtoITU-TRecommendationsG.703[19]andG.704[20].SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)16NOTE1:TheconversiontotheappropriatedatanetworkinterfacemaybeprovidedbyanAU,whichisnotpartoftheOAN.IncasetheONUisnotlocatedatthecustomers'premises,anAUaspartoftheOANisalsoneededtofacilitatethetransportofthis64kbit/sbearerchannelmadeavailableattheinterfaceoftheSUconcerned.digitalleasedlineservices:64kbit/sITU-TRecommendationG.703[19]:64kbit/sITU-TRecommendationI.430[24]:1984kbit/s:2048kbit/s:nx64kbit/s(n<30):ETS300288[11];similartoETS300012[8];ETS300418[18](D2048S);ETS300418[18](D2048U);ETS300418[18](D2048U).Fortheunstructured2048Mbit/s:InthecasewhenaSynchronousDigitalHierarchyVirtualContainer12(SDHVC12)pathisusedthisshallbeterminatedintheONU.Ajustificationmechanismhastobeusedtoprovidethepossibilityofthirdpartytiming.NOTE2:ThetransportoftheSDHVC12andtherelatedtimingdoesnotrequirestandardization.AmethodsimilartotheITU-TRecommendationG.832[23]canbeusedin2048Mbit/sorientednetworks.AnotherpossibilityisthetransportofthecompleteSDHTU12includingpointersinanOANprovidingaflexibletransmissionframe.5.4ONUpowerconsiderationsForeachONUtypetheminimum,maximumandtypicalpowerrequirementsandtheconditionsusedtocalculatethemshallbeprovided.Thespecificpoweringrequirementsofthedifferentinterfaces(asdefinedinsubclause5.3)shallbeconsidered.Powerusedforbatterychargingshouldnotbeincludedinthecorepowerconsumptionvalues;however,thispowerparametershallbeprovided.Theloopresistanceuptothenetworkterminationpointisdependantonthenationalimplementation,300Ωshouldbeusedforcalculationpurposes.ThepoweringrequirementscalculationforanONUshalltakeintoaccounttheenvironmentalclassdescribedinETS300019[9].AdetaileddescriptionofthepoweringaspectsofONUsandexamplesofpowerconsumptionvaluesareshowninannexB.6ODNThedetailedspecificationoftheODNisconsideredinETS300681[4].6.1GeneralODNrequirementsTheODNisbasedonpoint-to-multipointtreeandbranchoptionsasdescribedinETS300681[4].TheODNincludesnoopticaltoelectricalconversion.ODNopticalelementsmaybeco-locatedwiththeONUand/orOLT.TheODNshallsupportoperationinthesecondandthirdwavelengthregionsasdescribedinETS300681[4].SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)176.2ReachlimitationsandsplitratiosoftheODNInthissubclausealldistancesquotedrefertofibrekilometres.TheOANsystemshallbeabletooperateoveradistanceupto20km.TwoOANsystemtypesaredescribedwhicharebasedonthetransmissionmethodsconsideredinclause8.OANsystemstype2haverestrictedODNrequirementse.g.TimeCompressionMultiplexing(TCM).Atthegivendistancesintable3thesplitratiosshownarerequired.Table3:OANsystemtypesDistanceOANsystemtype1(e.g.SDM,WDM,FDM)OANsystemtype2(e.g.TCM)20kmAsplitratioofatleast16wayshallbesupportedAsplitratioofatleast8wayshallbesupported10kmAsplitratioofatleast32wayshallbesupportedAsplitratioofatleast16wayshallbesupportedSDM:SpaceDivisionMultiplexingWDM:WavelengthDivisionMultiplexingFDM:FrequencyDivisionMultiplexingThepathlossesfortheaboverequirementsarecalculatedinETS300681[4].ThereisanOANsystemrequirementtooperatewithadifferentialfibredistance(∆)betweenthenearestandfurthestONUfromtheOLTasdefinedinfigure4.OLTONU1ONUnx1x2x1:ShortestdistancebetweenOLTandONUofanODN.x2:LongestdistancebetweenOLTandONUofanODN.Figure4:ReachlimitationsofPONsThedifferentialfibredistance(∆)=x2-x1TheOANsystemshallbecapableofoperatingoveranODNsuchthatthedifferentialfibredistance(∆)betweenthenearestandfurthestONUfromtheOLTisanywherebetween0kmandatleast5km.NOTE:IftheOANsystemwillnotprovideservicetoONUswhenthedistancebetweenthenearestandfurthestONUfromtheOLTis4,5kmthenthesystemdoesnotmeetthisrequirement.HoweveriftheOANsystemwillprovideservicetoONUswhenthedistancebetweentheOLTandthenearestandfurthestONUis5,1km,10kmor20km(i.e.greaterthanorequalto5km)thenthesystemmeetstherequirement).7OLTTheOLTprovidesatleastoneopticalinterfacetowardstheODNandprovidesatleastonenetworkinterfaceonthenetwork-sideoftheOAN.TheOLTcanbeco-locatedwithinalocalexchangeorataremotelocation.ItcomprisesthemeansnecessaryfordeliveringdifferentservicestotherequiredONUs.SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)187.1DescriptionoffunctionsFigure5showsafunctionaldescriptionoftheOLT.ItisusefulforstandardizationpurposestoconsidertheOLTintermsofthreeparts,thesearedefinedas:a)coreshell;b)serviceshell;c)commonshell.Thefunctionalityoftheseshellsisdescribedinsubclauses7.1.1to7.1.3.ODN***NetworkCoreshellCommonshellServiceshellSPF***ODNinterfacefunctionTransmissionmultiplexfunctionTributaryinterfacefunctionDigitalcrossconnectfunctionOAMfunctionPowersupplyfunctionTributaryinterfacefunctionODNinterfacefunctionTomediationfunctionandthenQ3interfaceSPF:SignallingProcessingFunctionFigure5:OLTfunctionalblocks7.1.1OLTcoreshellTheOLTcoreshellincludes:a)ODNinterface;b)transmissionmultiplexing;c)customerandservicecrossconnectfunctions.TheODNinterfacefunctionprovidesasetofphysicalopticalinterfacefunctionsterminatingtherelevantset(s)ofopticalfibresoftheODN(s),andincludesoptical/electricalandelectrical/opticalconversion.InordertoenableimplementationofprotectionswitchingbetweengeographicallyredundantroutesuptoaflexibilitypointintheODNwhereopticalfibresplittingoccurs,theOANsystemshouldprovidethepossibilityofoptionallyequippingtheOLTwithaduplicateODNinterface.ThisisinadditiontothemaximumnumberofODNsthattheOLTisdesignedfornormaloperation.Detailedcharacteristicsofpossibleprotectionmechanismsarenotconsideredinthepresentdocument.SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)19ThetransmissionmultiplexingfunctionprovidesthenecessaryfunctionsfortransmittingorreceivingservicechannelsovertheODN.ThecustomerandservicecrossconnectfunctionprovidesconnectivitybetweentheavailablebandwidthattheODNsideandthenetworkpartsatthenetwork-side.Fullaccessshallbeprovided.7.1.2OLTserviceshellTheOLTserviceshellcanincludeNTinterfaceandsignalprocessingfunctions.ATUisanFRUwithoneormoretributaryinterfacefunctions.Anetworktributaryinterfacefunctionisa2Mbit/sport(describedinsubclause7.3)onaTU;itprovidestheinterfacebetweentheOLTandthemainnetwork.Theyshallbespecifictoasingleservice,configurabletooneofanumberofservices,orcapableofsimultaneouslysupportingtwoormoredifferentservices.AnyTUthatprovidestwoormore2Mbit/sportsshallbeindependentlyconfigurableonaperportbasis.Forthistypeofmulti-portTU,itshallbepossibletoconfigureeachporttoadifferentservice.EachTUpositionintheOLTequipmentshallbecapableofacceptingaTUofanytype.TheOLTshallbeabletosupportanynumberofTUsuptothedesignedmaximumnumberinanycombinationofservices.ThesignalprocessingfunctionsprovidethemeansforhandlingsignallinginformationthroughtheOLT.7.1.3OLTcommonshellTheOLTcommonshellcanincludepowersupplyandOAMfunctions.Thepowersupplyfunctionconvertsanexternalpowersourcetotherequiredlevel.TheOAMfunctionprovidesthemeanstohandletheOAMfunctionalitytoallblocksoftheOLT.ItalsoprovidesaninterfacefunctionbothforlocalcontrolfortestingpurposesandfortheQinterfacefortheAccessNetwork(QAN)interfacetowardstheOperationsSystem(OS)viaamediationfunction.7.2OLTdimensionsTheOLTdimensionsconsideredinthissubclauserefertoissuesrelatingtotheservicecapacity.TheOLTdimensionsaredescribedintable4.TwoOANsystemtypesaredescribedwhicharebasedonthetransmissionmethodsconsideredinclause8.OANsystemstype2haverestrictedODNrequirementse.g.TCM.Table4:OLTdimensionsReferenceOANsystemtype1(e.g.SDM,WDM,FDM)OANsystemtype2(e.g.TCM)Numberoftributaryinterfacefunctionsatleast32atleast32NumberofODNInterfacesatleast4atleast4TotalOLTcross-connectfunctioncapabilityatleast800Batleast800BODNinterfacecapacityatleast200Batleast100BSIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)207.3SNIsTheSNIsusedshouldbeasdescribedintable5.Table5POTS:V5.1(ETS300324[12])/V5.2(ETS300347[13])ISDN-BA:V5.1(ETS300324[12])/V5.2(ETS300347[13])ISDN-PRA:V3(ETS300233[10])ISDN-PRA(subfilled):V5.2(ETS300347[13])Dataservices:2Mbit/saccordingtoG.703[19]andG.704[20]Analogueleasedlines:withinbandsignalling:withoutbandsignalling:2Mbit/saccordingtoG.703[19]andG.704[20]2Mbit/saccordingtoG.703[19]andG.704[20]plusnationalsignallingDigitalleasedlineservices:64kbit/sG.703[19]:64kbit/sI.430[24]:1984kbit/s:2048kbit/sunstructured:2Mbit/saccordingtoG.703[19]andG.704[20]2Mbit/saccordingtoG.703[19]andG.704[20]2Mbit/saccordingtoG.703[19]andG.704[20]2Mbit/saccordingtoG.703[19]andG.704[20]2Mbit/saccordingtoG.703[19]G.703[19]:ITU-TRecommendationG.703[19].G.704[20]:ITU-TRecommendationG.704[20].I.430[24]:ITU-TRecommendationI.430[24].ThereisapossibilitythattheseinterfacescouldbemappedontoSDHtransportmechanismasanalternativemethod.8SpecificattributesofOANsInthisclausethekeyfeaturesofOANstomeettherequirementsofthenetworkoperatorsaredescribed.8.1TransmissionmethodThetransmissionmethodshallallowtheOLT-ONUconnectiontobepoint-to-multipoint.Thetransmissionmethodshallalsoallowpoint-to-pointinterworkingbetweentheOLTandtheONU,however,thisshouldbeconsideredasasubsetofthetransmissionmechanismcapabilities.Specificoptimizedpoint-to-pointsystemsareoutsidethescopeofthepresentdocument.ThemultipleaccessmethodshallbebasedontheTDMAand/orSCMAtransmissionmethod.Thebi-directionaltransmissionschemeshallbebasedononeofthefollowingprocedures:-SDM(2fibres,simplex);-TCM(1fibre,half-duplex);-WDM(1fibre,diplex);-FDM(1fibre,duplex).8.2OperatingwavelengthrangeforanOANTheoperatingwavelengthrangedescribedinthissubclausereferstothesystemwavelengthforprovidingnarrowbandservices.ItispossiblethatwavelengthsoutsidetheseregionsmaybesimultaneouslypresentonthesameODN(e.g.fortestingpurposes),thesecouldbeconsideredasinterferingsignals.TheOANshouldcontinuetooperatenormallyinthepresenceofinterferingsignals.Itisimportanttoconsidertheoperatingwavelengthrangeintwodirections,asthepossibleuseofwavelengthmaybedifferentineachdirection.SIST EN 300 463 V1.1.2:2003
ETSIETSIEN300463V1.1.2(2000-06)218.2.1SDMTheoperatingwavelengthrangeshallbewithinthe1310nmregionasdefinedinETS300681[4].8.2.2TCMTheoperatingwavelengthrangeshallbewithinthe1310nmregionasdefinedinETS300681[4].8.2.3WDMTheoperatingwavelengthrangeshallbewithinthe1310nmregionasdefinedinETS300681[4].Asaninterimsolution,duetoeconomicalandtechnicalissues,theoperatingwavelengthrangefordownstreamdirection(OLTtoONU)couldbewithinthe1550nmregionasdefinedinETS300681[4].8.2.4FDMTheoperatingwavelengthrangeshallbewithinthe1310nmregionasdefinedinETS300681[4].8.3SignaltransferdelayThefiguresbelowdefinethemeansignaltransferdelayastheaverageoftheupstreamandthedownstreamvalues.Themeansignaltransferdelaytimeisthemeasuredroundtripdelaytimedividedbytwo,asshowninfigure6.Allthedefinedvaluesassumea10kmdistanceoftheODN.Thelengthofthemetallicdropshallbeneglected.ONUSUOLTTUAUSplitterUNISNIDelayupstreamDelaydownstreamRoundtripmeansignaltransferdelaydelaydownstreamdelayupstream=+2Figure6:SignaltransferdelaycalculationsSIST EN 300
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