1、PDCEN/TS13149-8:2025PublictransportRoadvehicleSChedUlingandcontrolSyStemSPart8:PhysicallayerforIPcommunicationbsi.NationalforewordThisPublishedDocumentistheUKimplementationofCEN/TS13149-8:2025.ItsupersedesPDCEN/TS13149-8:2013,whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnical
2、CommitteeEPL/278,Intelligenttransportsystems.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitscommitteemanager.ContractualandlegalconsiderationsThispublicationhasbeenpreparedingoodfaith,howevernorepresentation,warranty,assuranceorundertaking(expressorimplied)isorwillbemade,an
3、dnoresponsibilityorliabilityisorwillbeacceptedbyBSIinrelationtotheadequacy,accuracy,completenessorreasonablenessofthispublication.Allandanysuchresponsibilityandliabilityisexpresslydisclaimedtothefullextentpermittedbythelaw.Thispublicationisprovidedasis,andistobeusedattherecipientsownrisk.Therecipien
4、tisadvisedtoconsiderseekingprofessionalguidancewithrespecttoitsuseofthispublication.Thispublicationisnotintendedtoconstituteacontract.Usersareresponsibleforitscorrectapplication.ThispublicationisnottoberegardedasaBritishStandard.TheBritishStandardsInstitution2025PublishedbyBSIStandardsLimited2025ISB
5、N9780539333961ICS35.240.60;43.040.15CompliancewithaPublishedDocumentcannotconferimmunityfromlegalobligations.ThisPublishedDocumentwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30June2025.Amendments/corrigendaissuedsincepublicationDateTextaffectedPDCEN/TS13149-8:2025TECHNICAL
6、SPECIFICATIONCEN/TS13149-8SPECIFICATIONTECHNIQUETechnischeSpezifikationJune2025ICS35.240.60;43.040.15SupersedesCEN/TS13149-8:2013EnglishVersionPublictransport-Roadvehicleschedulingandcontrolsystems-Part8:PhysicallayerforIPcommunicationTransportpublic-SystemesdeplanificationetdeOffentlicherVerkehr-Pl
7、anungs-undcontroledesvehiculesroutiers-Partie8:CoucheSteuerungssystemefiirStraEenfahrzeuge-Teil8:physiquepourcommunicationIPPhysikalischeSchichtfiirIP-KommunikationThisTechnicalSpecification(CEN/TS)wasapprovedbyCENon4May2025forprovisionalapplication.TheperiodOfvalidityofthisCEN/TSislimitedinitiallyt
8、othreeyears.AftertwoyearsthemembersofCENwillberequestedtosubmittheircomments,particularlyonthequestionwhethertheCEN/TScanbeconvertedintoaEuropeanStandard.CENmembersarerequiredtoannouncetheexistenceofthisCEN/TSinthesamewayasforanENandtomaketheCEN/TSavailablepromptlyatnationallevelinanappropriateform.
9、Itispermissibletokeepconflictingnationalstandardsinforce(inparalleltotheCEN/TS)untilthefinaldecisionaboutthepossibleconversionoftheCEN/TSintoanENisreached.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hung
10、ary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandUnitedKingdom.要EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurnormungCEN
11、CENELECManagementCentre:RuedelaScience23,B-1040BrusselsRef.No.CEN/TS13149-8:2025E2025CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.ContentsPageEuropeanforeword3Introduction41 Scope62 Normativereferences63 Termsanddefinitions64 Symbolsandabbreviations75 Requi
12、rements75.1 Generalremarks75.2 Networkbandwidth85.3 Networkstructure85.4 Cabling95.5 Connectors95.5.1 General95.5.2 AvailableType1/Type2connectors115.5.3 Recommendationforconnectorswithinabus135.5.4 Recommendationforconnectorswithinalightrailvehicle145.5.5 Connectorssummary145.6 Switches145.7 Powero
13、verEthernet145.8 Shieldingandgrounding185.9 Additionaltestrequirements18AnnexA(informative)EuropeanBusSystemoftheFuturereference19Bibliography20EuropeanforewordThisdocument(CEN/TS13149-8:2025)hasbeenpreparedbyTechnicalCommitteeCEN/TC278IntelligentTransportSystems,thesecretariatofwhichisheldbyNEN.Att
14、entionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentsupersedesCEN/TS13149-8:2013.CEN/TS13149-8:2025includesthefollowingsignificanttechnicalchangeswithrespecttoCEN/TS13149-8:2013:s
15、upportfor1000BaseTconnections(GigabitEthernet);一descriptionofpoweroverethernetmodeB;一UseofM12ConnectorX;一AdaptorsbetweendevicesandvehiclenetworkpresentedasM12connectors.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.AcompletelistingofthesebodiescanbefoundontheCE
16、Nwebsite.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganisationsofthefollowingcountriesareboundtoannouncethisTechnicalSpecification:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuani
17、a,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandtheUnitedKingdom.IntroductionThisdocumentisPart8ofaseriesofEuropeanStandardsandTechnicalSpecifications.Thescopeofthisseriesison-boarddatacommunicationsy
18、stemsonpublictransportvehicles.PublicTransport(PT)vehicleshaveanincreasingarrayofinformationandcommunicationssystems,includingticketmachines,AutomatedVehicleLocation(AVL)systems,destinationdisplays,passengerannouncementsystems,vehiclemonitoringsystems,etc.Othersystemsarebeginningtobeincludedsuchasad
19、vertisingscreens,touristguides,WiFi“hotspotsandinfotainment.Inaddition,equippedPTvehiclewillusuallyhaveacommunicationsfacilitytoenablevoiceanddatatobeexchangedwiththecontrolcentre,otherPTvehicles,PTinfrastructureandroadsidedevicesforinstanceinrequestingpriorityattrafficsignals.Manytypesofcommunicati
20、onchannelareusedincludingpublicandprivatewirelesscommunicationnetworks.Thesesystemsmaybeprovidedbyanumberofdifferentsuppliersandmayneedtobeintegrated.Forinstance:一aticketmachinemayneedlocationinformationtoupdatefarestages;一next-stopanddestinationinformationmaybedrawnfromscheduleinformationheldinthet
21、icketmachine;一vehiclelocationsystemsmaybeusedtodrivesignalpriorityrequests.Asdataexchangebetweenfunctionalunitsbecomesmorewidespread,anetworkedapproachbeginstobecomeefficient.Withstandardizedunderlyingtechnology,thePTvehiclebeginstolooklikealocalareanetwork:makinguseofIEEE802communicationsandtheInte
22、rnetProtocol(IP)suite.Withoutacleartechnologyframework,integratingthesesystemswouldrequirecomplextechnicaldiscussionseverytimeadeviceisprocured.TheexistingEN13149standardsrecognizedthislongagoinrespectofthecorevehiclesystems,butthesehavenotbeenadaptedtoIPnetworking.SixhistoricalpartsofEN13149,namely
23、Parts1to6,havenowbeenwithdrawninfavourofthenewIPbasedapproach.ThecoreofthisnewapproachwasspecifiedintwoTechnicalSpecifications(TS):一CEN/TS13149-7specifiestheNetworkandSystemArchitectureforonboardequipment.Itdescribesbasicprinciplesofcommunicationsincludingageneraldescriptionofthenetworktopology,addr
24、essesschematics,basicnetworkservices,asystemoverviewandbasicmodulearchitecture.一CEN/TS13149-8specifiesthePhysicalLayerforIP-communicationnetworksonboardPTvehicles.Thispartspecifiesthecables,connectorsandotherequipmentincludingpinassignmentandenvironmentalrequirements.Buildingonthis,aseriesofspecific
25、serviceshavebeendetailed:一CEN/TS13149-9,specifyingthestructuretobeusedbyaserviceprovidingtimedatatotheon-busnetwork;一CEN/TS13149-10,specifyingthestructuretobeusedbyaserviceprovidinglocationdatatotheon-busnetwork,specificallyrelatingtoGlobalNavigationalSatelliteSystems(GNSS);一CEN/TS13149-11,specifyin
26、gthestructuretobeusedbyaserviceprovidingdatafromthevehicleplatformtotheon-busnetwork,usingtheFleetManagementSystem(FMS)forsourcedata.ThesedocumentsdrawonlargescaletrialsundertakenwithinEuropeanprojectssuchasEBSF(the“EuropeanBusSystemoftheFutureproject)anditssuccessors,togetherwithtechnicaldevelopmen
27、tswhichhavesincebeenadoptedbyprogrammessuchastheGermanIBIS-IPplatform1and,morerecently,theEuropeanplatformITxPT2.ThishasensurednotonlythattheCENspecificationsarerobustlyprovedinpractice,butalsothattheyhavethesupportofmanykeysystemdevelopersandoperators.WiththeseTechnicalSpecifications,itwillbeeasier
28、toachieve:一moreefficientdevelopmentofPTcomponents;lowercost,lowerrisksandasmootheronboardintegrationofPTequipment;一moreefficientoperationandmaintenanceofonboardPTequipment;一highqualityintermodalpassengerservicesbasedonintermodalPTinformation;一integrationofnewPTservices.AsanIPbasedsolution,thisdocume
29、ntdrawsonarangeofIETFRequestsforComment(RFCs),notallofwhichmaybeformalstandards.AlistofthosecitedispresentedintheBibliography.1 ScopeThispart8specifiesthephysicallayerofanonboarddatatransmissionbusbetweenthedifferentequipmentforserviceoperationsandmonitoringofthefleet.Thisappliestoequipmentinstalled
30、onboardvehiclesthatareoperatingaspartofapublictransportnetwork,i.e.inoperationunderpublicservicecontracts.Thisequipmentincludesoperationaidsystems,automaticpassengerinformationsystems,farecollectionsystems,etc.TheuseofIEEE802.11WirelessLANcommunicationsisexcludedfromthescopeofthisTechnicalSpecificat
31、ion;itsuseisnotrecommendedfortheservice-basedapproachofCEN/TS13149.Equipmentdirectlyrelatedtothesafety-relatedfunctioningofthevehicle(propulsionmanagement,brakesystems,dooropeningsystems,etc.)areexcludedfromthescopeofthisTechnicalSpecificationandaredealtwithinotherstandardizationbodies.Interfacestos
32、uchequipmentorsafety-criticalnetworkscanbeprovidedthroughdedicatedgateways.Thisdocumentcoversthefollowing:一Thelinkbetweenequipmentinsidevehiclesconsistingofonecarriageonly,e.g.busesandtrolleybuses,aswellasasetofcarriages,e.g.tramsandtrains;一ThePhysicalLayerforIP-communicationnetworksonboardPTvehicle
33、s;一Thecables,connectorsandotherequipmentincludingpinassignmentandenvironmentalrequirements.ThisdocumentspecifieswiredcommunicationnetworksonboardPTvehicleswhicharebasedontheEthernetspecificationISO/IEC/IEEE8802-3-10BaseT,100BaseTxand1000BaseT.2 NormativereferencesThefollowingdocumentsarereferredtoin
34、thetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.ISO/IEC/IEEE8802-3,Telecommunicationsandexchangebetweeninformationtechnologysyst
35、emsRequirementsforlocalandmetropolitanareanetworksPart3:StandardforEthernetEN50328,RailwayapplicationsFixedinstallationsElectronicpowerconvertersforsubstationsEN50155,RailwayapplicationsRollingstockElectronicequipmentIEC61156-6,Multicoreandsymmetricalpair/quadcablesfordigitalcommunicationsPart6:Symm
36、etricalpair/quadcableswithtransmissioncharacteristicsupto1000MHzWorkareawiringSectionalspecification3 TermsanddefinitionsForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.ISOandIECmaintainterminologydatabasesforuseinstandardizationatthefollowingaddresses:一ISOOnlinebrowsingplatform:av
37、ailableathttps:WWW.iso.org/obp/一IECElectropedia:availableathttps:WWW.electropedia.org/3.1consistsetofcarsabletoruninservice,smallestentityinservice3.2PTvehiclesmallestentityofarollingstockNote1toentry:Forexample:bus,trolleybus,tramway.4 SymbolsandabbreviationsForthepurposesofthisdocument,thefollowin
38、gsymbolsandabbreviationsapply:DC-DC-inPoEDC+DC+inPoEEDEndDeviceEMCElectroMagneticCapabilityCFCChlorofluorocarbonPoEPoweroverEthernetRX-Receive-RX+Receive+TBDToBeDefinedTX-Transmission+TX+Transmission-TxRx-Transmission/Receive-TxRx+Transmission/Receive.+5 Requirements5.1 GeneralremarksThegeneralrequi
39、rementsforEthernetarespecifiedinISO/IEC/IEEE8802-3xx-theinternationalstandardforinformationtechnology.ThefollowingclausesprovidespecificrequirementsfortheapplicationswithinthescopeofthisTechnicalSpecification.Itisimportanttounderstandthatelectricalconnectionsontothecommunicationnetworkhaveimportanti
40、mpactuponthenetworkperformance,andthattheapplicationisdependentupontheprinciplesrelevanttotransmissionlinesratherthansimpleelectricalpowercircuits.Forthepurposesofthisdocument,allEthernetportsofenddeviceswhichareconnectedtothenetworkshallworkinaccordanceto:ISO/IEC/IEEE8802-310BaSe-IorISO/IEC/IEEE880
41、2-3100Base-Tx,orISO/IEC/IEEE8802-31000Base-T.5.2 NetworkbandwidthThebandwidthrequirementsofthelocalareanetworkofavehicleshallbeidentifiedandagreedaspartoftheoveralldesignoftheon-vehiclesystems.Thebandwidthrequirementsdeterminetherequiredcabletype,connectortypesandSwitchspecifications.Allselectedcomp
42、onentsshallbecapableofsupportingtherequiredbandwidth.5.3 NetworkstructureThegeneralnetworkstructure(seeFigure1below)isbuildupbyenddevicesthatareconnectedviaswitches.KeyBoxAEndDeviceBoxBSwitchFigure1EthernetStructureThefollowingrulesshouldbefollowedwheninstallinganEthernetnetwork:a) themaximumcablele
43、ngthbetweenaswitchandanenddeviceorbetweentwoswitchesshallnotexceed100minthehalf-duplexmode,andb) thenumberofconnectors(Type2,seeFigure4)inacablebetweenaswitchandanenddeviceorbetweentwoswitchesshallnotexceedsix(6).5.4 CablingTheEthernetcableusedshallfulfilasaminimumtherequirementsdetailedinIEC61156-6
44、category5eorcategory6:一ItshouldbefreefromCFCs,halogen,silicone,andlead.一Thecableshallbearrangedasasymmetricquadstarandshallhavesuitableshieldingfortheinstallationenvironment(forexample,withaprimaryshieldofaluminiumlaminatedfoil,eitherwithacopperdrainwireorwithasecondarybraidoftinnedcopperwires).Thec
45、ableimpedanceshallbe100Ohms15Ohms.一ThecrosscoresectionareashallbeAWG22.一TheservicetemperaturerangeshallbeaccordingtoEN50155classTX.一ThecableshallconformtoflametestrequirementsaccordingtoEN50328.一Thecableshallbeoilresistant.NOTEForcablesusedinbuses,attentionisdrawntotheflametestrequirementsofECER118.
46、5.5 Connectors5.5.1 GeneralWithinavehicletherearedifferenttypesofconnectors.Figure2andFigure3belowidentifythetypeandlocationoftheconnectors.BoxAEndDeviceBoxBSwitchConnectorTlConnectorT2ConnectorT3ConnectorT4Type1Type2Type3Type4Figure2ConnectortypeswithinmultiplecarvehiclesKeyBoxAEndDeviceBoxBSwitchC
47、onnectorTlType1ConnectorT2Type2Figure3ConnectortypeswithinsinglecarvehiclesType1connectionsareusedtoconnectcablestounitslikeswitchesandenddevices.TheseconnectorsaretypicallyIP2030rated.Type2connectionsareusedinanetworkcablesystemwithinacar.Typicaluseisbetweenwalls.ItisrecommendedavoidusingType2.Thes
48、econnectorsaretypicallyIP2030rated.Type3isanetworkcouplingbetweencarriageswithinaPTvehiclewhichisnotdisconnectedinnormaloperation.TheseconnectorsmaybeuptoIP6567rated.Type4connectionisanetworkconnectionbetweencarriageswithinaPTvehiclewhichmaybedisconnectedduringnormaloperation.TheseconnectorswillnormallybeIP6567ratedandshallbeprotectedallthetimebyprotectioncovers.Thissection(5.5)coversconnectorsoftyp
