1、CEN/TS13149-8TECHNICALSPECIFICATIONSPECIFICATIONTECHNIQUETechnischeSpezifikationJune2025ICS35.240.60;43.040.15SupersedesCEN/TS13149-8:2013EnglishVersionPublictransport-Roadvehicleschedulingandcontrolsystems-Part8:PhysicallayerforIPcommunicationTransportpublic-Systemesdeplanificationetdecontroledesve
2、hiculesroutiers-Partie8:CouchephysiquepourcommunicationIPOffentlicherVerkehr-Planungs-undSteuerungssystemefiirStraEenfahrzeuge-Teil8:PhysikalischeSchichtfiirIP-KommunikationThisTechnicalSpecification(CEN/TS)wasapprovedbyCENon4May2025forprovisionalapplication.TheperiodOfvalidityofthisCEN/TSislimitedi
3、nitiallytothreeyears.AftertwoyearsthemembersofCENwillberequestedtosubmittheircomments,particularlyonthequestionwhethertheCEN/TScanbeconvertedintoaEuropeanStandard.CENmembersarerequiredtoannouncetheexistenceofthisCEN/TSinthesamewayasforanENandtomaketheCEN/TSavailablepromptlyatnationallevelinanappropr
4、iateform.Itispermissibletokeepconflictingnationalstandardsinforce(inparalleltotheCEN/TS)untilthefinaldecisionaboutthepossibleconversionoftheCEN/TSintoanENisreached.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Gr
5、eece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurno
6、rmungCEN-CENELECManagementCentre:RuedelaScience23,B-1040BrusselsRef.No.CEN/TS13149-8:2025E2025CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.ContentsPageEuropeanforeword3Introduction41 Scope62 Normativereferences63 Termsanddefinitions64 Symbolsandabbreviations
7、75 Requirements75.1 Generalremarks75.2 Networkbandwidth85.3 Networkstructure85.4 Cabling95.5 Connectors.95.5.1 General95.5.2 AvailableType1/Type2connectors115.5.3 Recommendationforconnectorswithinabus135.5.4 Recommendationforconnectorswithinalightrailvehicle145.5.5 Connectorssummary145.6 Switches145
8、7 PoweroverEthernet145.8 Shieldingandgrounding185.9 Additionaltestrequirements18AnnexA(informative)EuropeanBusSystemoftheFuturereference19Bibliography20EuropeanforewordThisdocument(CENTS13149-8:2025)hasbeenpreparedbyTechnicalCommitteeCEN/TC278IntelligentTransportSystems,thesecretariatofwhichisheldb
9、yNEN.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentsupersedesCEN/TS13149-8:2013.CEN/TS13149-8:2025includesthefollowingsignificanttechnicalchangeswithrespecttoCEN/TS13149-
10、8:2013:一supportfor1000BaseTconnections(GigabitEthernet);一descriptionofpoweroverethernetmodeB;一UseofM12ConnectorX;一AdaptorsbetweendevicesandvehiclenetworkpresentedasM12connectors.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.Acompletelistingofthesebodiescanbefou
11、ndontheCENwebsite.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganisationsofthefollowingcountriesareboundtoannouncethisTechnicalSpecification:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia
12、Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandtheUnitedKingdom.IntroductionThisdocumentisPart8ofaseriesofEuropeanStandardsandTechnicalSpecifications.Thescopeofthisseriesison-boarddatacommun
13、icationsystemsonpublictransportvehicles.PublicTransport(PT)vehicleshaveanincreasingarrayofinformationandcommunicationssystems,includingticketmachines,AutomatedVehicleLocation(AVL)systems,destinationdisplays,passengerannouncementsystems,vehiclemonitoringsystems,etc.Othersystemsarebeginningtobeinclude
14、dsuchasadvertisingscreens,touristguides,WiFi“hotspotsandinfotainment.Inaddition,equippedPTvehiclewillusuallyhaveacommunicationsfacilitytoenablevoiceanddatatobeexchangedwiththecontrolcentre,otherPTvehicles,PTinfrastructureandroadsidedevicesforinstanceinrequestingpriorityattrafficsignals.Manytypesofco
15、mmunicationchannelareusedincludingpublicandprivatewirelesscommunicationnetworks.Thesesystemsmaybeprovidedbyanumberofdifferentsuppliersandmayneedtobeintegrated.Forinstance:一aticketmachinemayneedlocationinformationtoupdatefarestages;一next-stopanddestinationinformationmaybedrawnfromscheduleinformationh
16、eldintheticketmachine;一vehiclelocationsystemsmaybeusedtodrivesignalpriorityrequests.Asdataexchangebetweenfunctionalunitsbecomesmorewidespread,anetworkedapproachbeginstobecomeefficient.Withstandardizedunderlyingtechnology,thePTvehiclebeginstolooklikealocalareanetwork:makinguseofIEEE802communicationsa
17、ndtheInternetProtocol(IP)suite.Withoutacleartechnologyframework,integratingthesesystemswouldrequirecomplextechnicaldiscussionseverytimeadeviceisprocured.TheexistingEN13149standardsrecognizedthislongagoinrespectofthecorevehiclesystems,butthesehavenotbeenadaptedtoIPnetworking.SixhistoricalpartsofEN131
18、49,namelyParts1to6,havenowbeenwithdrawninfavourofthenewIPbasedapproach.ThecoreofthisnewapproachwasspecifiedintwoTechnicalSpecifications(TS):一CEN/TS13149-7specifiestheNetworkandSystemArchitectureforonboardequipment.Itdescribesbasicprinciplesofcommunicationsincludingageneraldescriptionofthenetworktopo
19、logy,addressesschematics,basicnetworkservices,asystemoverviewandbasicmodulearchitecture.一CEN/TS13149-8specifiesthePhysicalLayerforIP-communicationnetworksonboardPTvehicles.Thispartspecifiesthecables,connectorsandotherequipmentincludingpinassignmentandenvironmentalrequirements.Buildingonthis,aserieso
20、fspecificserviceshavebeendetailed:一CEN/TS13149-9,specifyingthestructuretobeusedbyaserviceprovidingtimedatatotheon-busnetwork;一CEN/TS13149-10,specifyingthestructuretobeusedbyaserviceprovidinglocationdatatotheon-busnetwork,specificallyrelatingtoGlobalNavigationalSatelliteSystems(GNSS);一CEN/TS13149-1sp
21、ecifyingthestructuretobeusedbyaserviceprovidingdatafromthevehicleplatformtotheon-busnetwork,usingtheFleetManagementSystem(FMS)forsourcedata.ThesedocumentsdrawonlargescaletrialsundertakenwithinEuropeanprojectssuchasEBSF(the“EuropeanBusSystemoftheFutureproject)anditssuccessors,togetherwithtechnicaldev
22、elopmentswhichhavesincebeenadoptedbyprogrammessuchastheGermanIBIS-IPplatform1and,morerecently,theEuropeanplatformITxPT2.ThishasensurednotonlythattheCENspecificationsarerobustlyprovedinpractice,butalsothattheyhavethesupportofmanykeysystemdevelopersandoperators.WiththeseTechnicalSpecifications,itwillb
23、eeasiertoachieve:一moreefficientdevelopmentofPTcomponents;一lowercost,lowerrisksandasmootheronboardintegrationofPTequipment;一moreefficientoperationandmaintenanceofonboardPTequipment;一highqualityintermodalpassengerservicesbasedonintermodalPTinformation;一integrationofnewPTservices.AsanIPbasedsolution,th
24、isdocumentdrawsonarangeofIETFRequestsforComment(RFCs),notallofwhichmaybeformalstandards.AlistofthosecitedispresentedintheBibliography.1 ScopeThispart8specifiesthephysicallayerofanonboarddatatransmissionbusbetweenthedifferentequipmentforserviceoperationsandmonitoringofthefleet.Thisappliestoequipmenti
25、nstalledonboardvehiclesthatareoperatingaspartofapublictransportnetwork,i.e.inoperationunderpublicservicecontracts.Thisequipmentincludesoperationaidsystems,automaticpassengerinformationsystems,farecollectionsystems,etc.TheuseofIEEE802.11WirelessLANcommunicationsisexcludedfromthescopeofthisTechnicalSp
26、ecification;itsuseisnotrecommendedfortheservice-basedapproachofCEN/TS13149.Equipmentdirectlyrelatedtothesafety-relatedfunctioningofthevehicle(propulsionmanagement,brakesystems,dooropeningsystems,etc.)areexcludedfromthescopeofthisTechnicalSpecificationandaredealtwithinotherstandardizationbodies.Inter
27、facestosuchequipmentorsafety-criticalnetworkscanbeprovidedthroughdedicatedgateways.Thisdocumentcoversthefollowing:Thelinkbetweenequipmentinsidevehiclesconsistingofonecarriageonly,e.g.busesandtrolleybuses,aswellasasetofcarriages,e.g.tramsandtrains;一ThePhysicalLayerforIP-communicationnetworksonboardPT
28、vehicles;一Thecables,connectorsandotherequipmentincludingpinassignmentandenvironmentalrequirements.ThisdocumentspecifieswiredcommunicationnetworksonboardPTvehicleswhicharebasedontheEthernetspecificationISO/IEC/IEEE8802-3-10BaseT,100BaseTxand1000BaseT.2 NormativereferencesThefollowingdocumentsarerefer
29、redtointhetextinsuchawaythatsomeoralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.ISO/IEC/IEEE8802-3,Telecommunicationsandexchangebetweeninformationtechnol
30、ogysystemsRequirementsforlocalandmetropolitanareanetworksPart3:StandardforEthernetEN50328,RailwayapplicationsFixedinstallationsElectronicpowerconvertersforsubstationsEN50155,RailwayapplicationsRollingstockElectronicequipmentIEC61156-6,Multicoreandsymmetricalpair/quadcablesfordigitalcommunicationsPar
31、t6:Symmetricalpair/quadcableswithtransmissioncharacteristicsupto1000MHzWorkareawiringSectionalspecification3 TermsanddefinitionsForthepurposesofthisdocument,thefollowingtermsanddefinitionsapply.ISOandIECmaintainterminologydatabasesforuseinstandardizationatthefollowingaddresses:一ISOOnlinebrowsingplat
32、form:availableathttps:WWW.iso.orgobp一IECElectropedia:availableathttps:WWW.electropidia.org/3.1consistsetofcarsabletoruninservice,smallestentityinservice3.2PTvehiclesmallestentityofarollingstockNote1toentry:Forexample:bus,trolleybus,tramway.4 SymbolsandabbreviationsForthepurposesofthisdocument,thefol
33、lowingsymbolsandabbreviationsapply:DC-DC-inPoEDC+DC+inPoEEDEndDeviceEMCElectroMagneticCapabilityCFCChlorofluorocarbonPoEPoweroverEthernetRX-Receive-RX+Receive+TBDToBeDefinedTX-Transmission+TX+Transmission-TxRx-Transmission/Receive-TxRx+Transmission/Receive.+5 Requirements5.1 GeneralremarksThegeneral
34、requirementsforEthernetarespecifiedinISO/IEC/IEEE8802-3xx-theinternationalstandardforinformationtechnology.ThefollowingclausesprovidespecificrequirementsfortheapplicationswithinthescopeofthisTechnicalSpecification.Itisimportanttounderstandthatelectricalconnectionsontothecommunicationnetworkhaveimpor
35、tantimpactuponthenetworkperformance,andthattheapplicationisdependentupontheprinciplesrelevanttotransmissionlinesratherthansimpleelectricalpowercircuits.Forthepurposesofthisdocument,allEthernetportsofenddeviceswhichareconnectedtothenetworkshallworkinaccordanceto:ISO/IEC/IEEE8802-310BaSe-IorISO/IEC/IE
36、EE8802-3100Base-Tx,orISO/IEC/IEEE8802-31000Base-T.5.2 NetworkbandwidthThebandwidthrequirementsofthelocalareanetworkofavehicleshallbeidentifiedandagreedaspartoftheoveralldesignoftheon-vehiclesystems.Thebandwidthrequirementsdeterminetherequiredcabletype,connectortypesandSwitchspecifications.Allselecte
37、dcomponentsshallbecapableofsupportingtherequiredbandwidth.5.3 NetworkstructureThegeneralnetworkstructure(seeFigure1below)isbuildupbyenddevicesthatareconnectedviaswitches.KeyBoxAEndDeviceBoxBSwitchFigure1EthernetStructureThefollowingrulesshouldbefollowedwheninstallinganEthernetnetwork:a) themaximumca
38、blelengthbetweenaswitchandanenddeviceorbetweentwoswitchesshallnotexceed100minthehalf-duplexmode,andb) thenumberofconnectors(Type2,seeFigure4)inacablebetweenaswitchandanenddeviceorbetweentwoswitchesshallnotexceedsix(6).5.4 CablingTheEthernetcableusedshallfulfilasaminimumtherequirementsdetailedinIEC61
39、156-6category5eorcategory6:一ItshouldbefreefromCFCs,halogen,silicone,andlead.一Thecableshallbearrangedasasymmetricquadstarandshallhavesuitableshieldingfortheinstallationenvironment(forexample,withaprimaryshieldofaluminiumlaminatedfoil,eitherwithacopperdrainwireorwithasecondarybraidoftinnedcopperwires)
40、Thecableimpedanceshallbe100Ohms15Ohms.一ThecrosscoresectionareashallbeAWG22.一TheservicetemperaturerangeshallbeaccordingtoEN50155classTX.一ThecableshallconformtoflametestrequirementsaccordingtoEN50328.一Thecableshallbeoilresistant.NOTEForcablesusedinbuses,attentionisdrawntotheflametestrequirementsofECE
41、R118.5.5 Connectors5.5.1 GeneralWithinavehicletherearedifferenttypesofconnectors.Figure2andFigure3belowidentifythetypeandlocationoftheconnectors.KeyBoxABoxBConnectorTlConnectorT2ConnectorT3ConnectorT4EndDeviceSwitchType1Type2Type3Type4Figure2ConnectortypeswithinmultiplecarvehiclesKeyBoxABoxBEndDevic
42、eSwitchConnectorTlType1ConnectorT2Type2Figure3ConnectortypeswithinsinglecarvehiclesType1connectionsareusedtoconnectcablestounitslikeswitchesandenddevices.TheseconnectorsaretypicallyIP2030rated.Type2connectionsareusedinanetworkcablesystemwithinacar.Typicaluseisbetweenwalls.ItisrecommendedavoidusingTy
43、pe2.TheseconnectorsaretypicallyIP2030rated.Type3isanetworkcouplingbetweencarriageswithinaPTvehiclewhichisnotdisconnectedinnormaloperation.TheseconnectorsmaybeuptoIP6567rated.Type4connectionisanetworkconnectionbetweencarriageswithinaPTvehiclewhichmaybedisconnectedduringnormaloperation.Theseconnectors
44、willnormallybeIP6567ratedandshallbeprotectedallthetimebyprotectioncovers.Thissection(5.5)coversconnectorsoftype1and2whichareusedinbuses,trolleybusesandtramways.Type3and4connectorsareusedincoupledtramwaysandrailvehiclesandarenotspecifiedinthisTechnicalSpecification:thesearecoveredbyIECpublications(in
45、particulartheIEC61375series).Typesofconnectorsarenotmandatorybutthefollowingconnectorsarepreferred.Whenoneofthefollowingconnectorsisusedinanapplication,theaccompanyingpinassignmentsshallbeused.5.5.2AvailableType1/Type2connectors5.5.2.1 M124pinforfastEthernetconnectionsM12connectorsoftype4-pinD-coded
46、shallbeused.Connectorsshalluseeitherthescreworthepush-pullfastlockingsystem.Themaleconnectorthatsupportsoneofscreworpush-pullfastlockingshallbeusedoncablestoanenddeviceandthefemaleconnectorthatsupportsbothscrewandpush-pullfastlockingshallbeusedonenddevicesandswitches.PinsandsocketsintheM12connectors
47、hallbegoldplated.Crimpcableconnectorsshouldbepreferred.PinassignmentofM12circularsocketconnector:Male4pinsDFemale4pinsDFigure4M124pinConnectorpinningThepinassignmentfortype1and2connectorsisshowninTable1below:Table1M124pinConnectorpinassignmentPin#Assignment1TX+2RX+3TX-4RX-ThisisamodeAconnectionasdef
48、inedbyISO/IEC/IEEE8802-3at.5.5.2.2 M12ConnectorXforgigabitEthernetconnectionsM12connectorsoftypeConnectorXshallbeused.Connectorsshalluseeitherthescreworthepush-pullfastlockingsystem.Themaleconnectorshallbeusedoncablestoadeviceandthefemaleconnectorshallbeusedonenddevicesandswitches.PinsandsocketsintheM12connectorshallbegoldplated.Crimpcableconnectorsshouldbepr
