PD CEN-TS 13149-8 2025.docx

PDCEN/TS13149-8:2025PublictransportRoadvehicleSChedUlingandcontrolSyStemSPart8:PhysicallayerforIPcommunicationbsi.NationalforewordThisPublishedDocumentistheUKimplementationofCEN/TS13149-8:2025.ItsupersedesPDCEN/TS13149-8:2013,whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedtoTechnicalCommitteeEPL/278,Intelligenttransportsystems.Alistoforganizationsrepresentedonthiscommitteecanbeobtainedonrequesttoitscommitteemanager.ContractualandlegalconsiderationsThispublicationhasbeenpreparedingoodfaith,howevernorepresentation,warranty,assuranceorundertaking(expressorimplied)isorwillbemade,andnoresponsibilityorliabilityisorwillbeacceptedbyBSIinrelationtotheadequacy,accuracy,completenessorreasonablenessofthispublication.Allandanysuchresponsibilityandliabilityisexpresslydisclaimedtothefullextentpermittedbythelaw.Thispublicationisprovidedasis,andistobeusedattherecipientsownrisk.Therecipientisadvisedtoconsiderseekingprofessionalguidancewithrespecttoitsuseofthispublication.Thispublicationisnotintendedtoconstituteacontract.Usersareresponsibleforitscorrectapplication.ThispublicationisnottoberegardedasaBritishStandard.©TheBritishStandardsInstitution2025PublishedbyBSIStandardsLimited2025ISBN9780539333961ICS35.240.60;43.040.15CompliancewithaPublishedDocumentcannotconferimmunityfromlegalobligations.ThisPublishedDocumentwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon30June2025.Amendments/corrigendaissuedsincepublicationDateTextaffectedPDCEN/TS13149-8:2025TECHNICALSPECIFICATIONCEN/TS13149-8SPECIFICATIONTECHNIQUETechnischeSpezifikationJune2025ICS35.240.60;43.040.15SupersedesCEN/TS13149-8:2013EnglishVersionPublictransport-Roadvehicleschedulingandcontrolsystems-Part8:PhysicallayerforIPcommunicationTransportpublic-SystemesdeplanificationetdeOffentlicherVerkehr-Planungs-undcontroledesvehiculesroutiers-Partie8:CoucheSteuerungssystemefiirStraEenfahrzeuge-Teil8:physiquepourcommunicationIPPhysikalischeSchichtfiirIP-KommunikationThisTechnicalSpecification(CEN/TS)wasapprovedbyCENon4May2025forprovisionalapplication.TheperiodOfvalidityofthisCEN/TSislimitedinitiallytothreeyears.AftertwoyearsthemembersofCENwillberequestedtosubmittheircomments,particularlyonthequestionwhethertheCEN/TScanbeconvertedintoaEuropeanStandard.CENmembersarerequiredtoannouncetheexistenceofthisCEN/TSinthesamewayasforanENandtomaketheCEN/TSavailablepromptlyatnationallevelinanappropriateform.Itispermissibletokeepconflictingnationalstandardsinforce(inparalleltotheCEN/TS)untilthefinaldecisionaboutthepossibleconversionoftheCEN/TSintoanENisreached.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandUnitedKingdom.要EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurnormungCEN-CENELECManagementCentre:RuedelaScience23,B-1040BrusselsRef.No.CEN/TS13149-8:2025E©2025CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.ContentsPageEuropeanforeword3Introduction41 Scope62 Normativereferences63 Termsanddefinitions64 Symbolsandabbreviations75 Requirements75.1 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 PoweroverEthernet145.8 Shieldingandgrounding185.9 Additionaltestrequirements18AnnexA(informative)EuropeanBusSystemoftheFuturereference19Bibliography20EuropeanforewordThisdocument(CEN/TS13149-8:2025)hasbeenpreparedbyTechnicalCommitteeCEN/TC278"'IntelligentTransportSystems,thesecretariatofwhichisheldbyNEN.Attentionisdrawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentsupersedesCEN/TS13149-8:2013.CEN/TS13149-8:2025includesthefollowingsignificanttechnicalchangeswithrespecttoCEN/TS13149-8:2013:supportfor1000BaseTconnections(GigabitEthernet);一descriptionofpoweroverethernetmodeB;一UseofM12ConnectorX;一AdaptorsbetweendevicesandvehiclenetworkpresentedasM12connectors.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusers'nationalstandardsbody.AcompletelistingofthesebodiescanbefoundontheCENwebsite.AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganisationsofthefollowingcountriesareboundtoannouncethisTechnicalSpecification:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuani