ETSI EN 300 394-4-13 V1.1.1 (2001-01)

Terrestrial Trunked Radio (TETRA); Conformance testing specification; Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 13: Abstract Test Suite (ATS) for Mobile station Repeater type 2

DEN/TETRA-02009-4-13

Prizemni snopovni radio (TETRA) - Specifikacija za preskušanje skladnosti - 4. del: Specifikacija za preskušanje protokola za neposredno obratovanje (DMO) ¬- 13. poddel: Abstraktni preskušalni niz (ATS) za ponavljalnik (repetitor) tipa 2 mobilne postaje

General Information

• Status: Published
• Publication Date: 11-Jan-2001
• Technical Committee: TCCE 2 - Air Interface / Radio aspects
• Current Stage: 13 - TB decision to make document historical
• Due Date: 23-Feb-2004
• Completion Date: 23-Feb-2004
• Mandate: BC-T-344
• Ref Project: SIST EN 300 394-4-13 V1.1.1:2003 - Terrestrial Trunked Radio (TETRA); Conformance testing specification; Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 13: Abstract Test Suite (ATS) for Mobile station Repeater type 2

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Prizemni snopovni radio (TETRA) - Specifikacija za preskušanje skladnosti - 4. del: Specifikacija za preskušanje protokola za neposredno obratovanje (DMO) ¬- 13. poddel: Abstraktni preskušalni niz (ATS) za ponavljalnik (repetitor) tipa 2 mobilne postajeTerrestrial Trunked Radio (TETRA); Conformance testing specification; Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 13: Abstract Test Suite (ATS) for Mobile station Repeater type 233.070.10Prizemni snopovni radio (TETRA)Terrestrial Trunked Radio (TETRA)ICS:Ta slovenski standard je istoveten z:EN 300 394-4-13 Version 1.1.1SIST EN 300 394-4-13 V1.1.1:2003en01-december-2003SIST EN 300 394-4-13 V1.1.1:2003SLOVENSKI
STANDARD



SIST EN 300 394-4-13 V1.1.1:2003



ETSIEN300394-4-13V1.1.1(2001-01)EuropeanStandard(Telecommunicationsseries)TerrestrialTrunkedRadio(TETRA);Conformancetestingspecification;Part4:ProtocoltestingspecificationforDirectModeOperation(DMO);Sub-part13:AbstractTestSuite(ATS)forMobilestationRepeatertype2SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)2ReferenceDEN/TETRA-02009-4-13KeywordsTETRA,DMO,protocol,testing,TTCN,ATS,PIXIT,radioETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°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:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.63Definitionsandabbreviations.73.1TETRAdefinitions.73.2TETRAabbreviations.73.3ISO9646definitions.73.4ISO9646abbreviations.74AbstractTestMethod(ATM).84.1ATMfortheMS-REP2MACATS.84.1.1LowerTester(LT).84.1.2UpperTester(UT).84.1.3TestCoordinationProcedures(TCP).84.1.4PointofControlandObservation(PCO).94.2ATMfortheMS-REP2DMCCATS.94.2.1LowerTester(LT).94.2.2UpperTester(UT).94.2.3TestCoordinationProcedures(TCP).104.2.4PointofControlandObservation(PCO).105ATSconventions.105.1Namingconventions.105.1.1Declarationspart.105.1.1.1Testsuitetypeandstructuredtypedefinitions.105.1.1.2Testsuiteoperationsdefinitions.105.1.1.3Testsuiteparameterdeclarations.105.1.1.4Testcaseselectionexpressiondefinitions.115.1.1.5Testsuiteconstantdeclarations.115.1.1.6Testsuitevariabledeclarations.115.1.1.7Testcasevariabledeclarations.115.1.1.8PCOdeclarations.115.1.1.9Timerdeclarations.115.1.1.10ASPtypedefinitions.125.1.1.11PDUtypedefinitions.125.1.1.12Aliasdefinitions.125.1.2Constraintspart.125.1.3Dynamicpart.135.1.3.1Testcaseidentifier.135.1.3.2Teststepidentifier.135.1.3.3Defaultidentifier.135.2TCandTPnaming.13AnnexA(normative):AbstractTestSuite(ATS)forTETRADMOMS-REP2MAClayer.14A.1ATSforTETRADMOMS-REP2MACprotocol.14A.1.1TheTTCNGraphicalform(TTCN.GR).14A.1.2TheTTCNMachineProcessableform(TTCN.MP).14A.2ATSforTETRADMOMS-REP2DMCCprotocol.14A.2.1TheTTCNGraphicalform(TTCN.GR).14A.2.2TheTTCNMachineProcessableform(TTCN.MP).14SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)4AnnexB(normative):PartialPIXITproformaforTETRADMOMS-REP2protocol.15B.1PartialPIXITproformaforTETRADMOMS-REP2MAClayerprotocol.15B.1.1Identificationsummary.15B.1.2ATSsummary.15B.1.3Testlaboratory.15B.1.4Clientidentification.15B.1.5SUT.16B.1.6Protocollayerinformation.16B.1.6.1Protocolidentification.16B.1.6.2IUTinformation.16B.1.6.2.1Implicitsendevents.16B.1.6.2.2Parametervalues.17B.2PartialPIXITproformaforTETRADMOMS-REP2DMCCprotocol.18B.2.1Identificationsummary.18B.2.2ATSsummary.18B.2.3Testlaboratory.18B.2.4Clientidentification.19B.2.5SUT.19B.2.6Protocollayerinformation.19B.2.6.1Protocolidentification.19B.2.6.2IUTinformation.19B.2.6.2.1Implicitsendevents.19B.2.6.2.2Parametervalues.20AnnexC(normative):ProtocolConformanceTestReport(PCTR)proformaforTETRADMOMS-REP2protocol.22C.1PCTRproformaforTETRADMOMS-REP2MAClayerprotocol.22C.1.1Identificationsummary.22C.1.1.1Protocolconformancetestreport.22C.1.1.2IUTidentification.22C.1.1.3Testingenvironment.23C.1.1.4Limitsandreservation.23C.1.1.5Comments.23C.1.2IUTconformancestatus.23C.1.3Staticconformancesummary.23C.1.4Dynamicconformancesummary.24C.1.5Staticconformancereviewreport.24C.1.6Testcampaignreport.24C.1.7Observations.25C.2PCTRproformaforTETRADMOMS-REP2DMCClayerprotocol.25C.2.1Identificationsummary.25C.2.1.1Protocolconformancetestreport.25C.2.1.2IUTidentification.26C.2.1.3Testingenvironment.26C.2.1.4Limitsandreservation.26C.2.1.5Comments.26C.2.2IUTconformancestatus.26C.2.3Staticconformancesummary.27C.2.4Dynamicconformancesummary.27C.2.5Staticconformancereviewreport.27C.2.6Testcampaignreport.27C.2.7Observations.28History.29SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)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)hasbeenproducedbyETSIProjectTerrestrialTrunkedRadio(TETRA).ThepresentdocumenthadbeensubmittedtoPublicEnquiryasETS300394-4-13.DuringtheprocessingforVoteitwasconvertedintoanEN.Thepresentdocumentconsistsofthefollowingparts:Part1:"Radio";Part2:"ProtocoltestingspecificationforVoiceplusData(V+D)";Part4:"ProtocoltestingspecificationforDirectModeOperation(DMO)";Part5:"Security".NationaltranspositiondatesDateofadoptionofthisEN:5January2001DateoflatestannouncementofthisEN(doa):30April2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31October2001DateofwithdrawalofanyconflictingNationalStandard(dow):31October2001SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)61ScopeThepresentdocumentcontainstheAbstractTestSuites(ATS)totesttheTETRADirectModeOperation(DMO)MSRepeaterType2(MS-REP2)protocolatlayer3,calledDirectModeCallControl(DMCC)andtheMS-Repeatertype2protocolatlayer2,theMediumAccessControl(MAC)protocol.TheDMCCandMACprotocolsarespecifiedinETS300396-3[1]andinEN300396-7[2].TheTestSuiteStructure(TSS)andTestPurposes(TPs)fortheseATSsaredefinedinEN300394-4-11[4].TheobjectiveofthesetestspecificationsaretoprovideabasisforapprovaltestsforTETRAequipmentgivingahighprobabilityofairinterfaceinter-operabilitybetweendifferentmanufacturer'sTETRAequipment.TheISOstandardforthemethodologyofconformancetesting,ISO/IEC9646-1[5],ISO/IEC9646-2[6],ISO/IEC9646-3[7]andISO/IEC9646-5[8],aswellastheETSIrulesforconformancetesting,ETS300406[9]andETR141[10]areusedasabasisforthetestmethodology.AnnexAprovidestheTreeandTabularCombinedNotation(TTCN)partofthesetwoATSs.AnnexBprovidesthePartialProtocolImplementationeXtraInformationforTesting(PIXIT)ProformaoftheseATSs.AnnexCprovidestheProtocolConformanceTestReport(PCTR)ProformaoftheseATSs.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ETSIETS300396-3:"TerrestrialTrunkedRadio(TETRA);TechnicalrequirementsforDirectModeOperation(DMO);Part3:MobileStationtoMobileStation(MS-MS)AirInterface(AI)protocol".[2]ETSIEN300396-7:"TerrestrialTrunkedRadio(TETRA);TechnicalrequirementsforDirectModeOperation(DMO);Part7:Type2repeaterairinterface".[3]ETSIEN300396-8-4:"TerrestrialTrunkedRadio(TETRA);TechnicalrequirementsforDirectModeOperation(DMO);Part8:ProtocolImplementationConformanceStatement(PICS)proformaspecification;Sub-part4:Type2repeaterAirInterface(AI)".[4]ETSIEN300394-4-11:"TerrestrialTrunkedRadio(TETRA);Conformancetestingspecification;Part4:ProtocoltestingspecificationforDirectModeOperation(DMO);Sub-part11:TestSuiteStructureandTestPurposes(TSS&TP)forMobileStationRepeatertype2".[5]ISO/IEC9646-1(1994):"Informationtechnology-OpenSystemsInterconnection-ConformanceTestingMethodologyandFramework-Part1:GeneralConcepts".(SeealsoITU-TRecommendationX.290(1991)).[6]ISO/IEC9646-2(1994):"Informationtechnology-OpenSystemsInterconnection-ConformanceTestingMethodologyandFramework-Part2:AbstractTestSuiteSpecification".(SeealsoITU-TRecommendationX.291(1991)).[7]ISO/IEC9646-3(1994):"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part3:Thetreeandtabularcombinednotation".(SeealsoITU-TRecommendationX.292(1992)).SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)7[8]ISO/IEC9646-5(1994):"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part5:Requirementsontestlaboratoriesandclientsfortheconformanceassessmentprocess".(SeealsoITU-TRecommendationX.292(1992)).[9]ETSIETS300406:"MethodsforTestingandSpecification(MTS);Protocolandprofileconformancetestingspecifications;Standardizationmethodology".[10]ETSIETR141:"MethodsforTestingandSpecification(MTS);Protocolandprofileconformancetestingspecifications;TheTreeandTabularCombinedNotation(TTCN)styleguide".3Definitionsandabbreviations3.1TETRAdefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsgiveninEN300396-7[2]apply.3.2TETRAabbreviationsForthepurposesofthepresentdocumentthefollowingTETRAabbreviationsapply:DMCCDirectModeCallControlMACMediumAccessControlMSMobileStationMS-REP2MobileStationRepeaterType2SDSShortDataServiceSDUServiceDataUnit3.3ISO9646definitionsForthepurposesofthepresentdocumentthefollowingISO/IEC9646definitionsapply:TTCN.GRTTCN.MPPCTRProtocolConformanceTestReport(PCTRproforma)3.4ISO9646abbreviationsForthepurposesofthepresentdocumentthefollowingISO/IEC9646-1[5]abbreviationsapply:ASPAbstractServicePrimitiveATMAbstractTestMethodATSAbstractTestSuiteICSImplementationConformanceStatementIUTImplementationUnderTestIXITImplementationeXtraInformationforTestingLTLowerTesterMTCMainTestComponentPCOPointofControlandObservationPCTRProtocolConformanceTestReportPDUProtocolDataUnitPICSProtocolImplementationConformanceStatement(PICSproforma)PIXITProtocolImplementationeXtraInformationforTesting(PIXITproforma)PTCParallelTestComponentSAPServiceAccessPointSPyTSinglePartyTestingSUTSystemUnderTestTCTestCaseSIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)8TPTestPurposeTSSTestSuiteStructureTTCNTreeandTabularCombinedNotationUTUpperTester4AbstractTestMethod(ATM)4.1ATMfortheMS-REP2MACATSThissubclausedescribestheATMusedfortestingtheMS-REP2MAClayerprotocolofaMobileStationRepeaterType2(MS-REP2).ItistheembeddedvariantoftheremotetestmethodusedinSinglePartyTesting(SPyT)context,asdefinedinISO/IEC9646-2[6],clause11.Thistestmethodhasbeenselected,because:-thistestmethodimpliesnospecificrequirementsfromtheImplementationUnderTest(IUT);-theupperServiceAccessPoint(SAP)oftheIUTcannotbedirectlyobserved;-thevarietyofthepossibleTETRAimplementationsisaserioustechnicalobstaclefortheadoptionofadifferentATM;-thistestmethodplacesminimumlimitationsintherealizationofconformancetesting.Theselectedtestmethodisillustratedinfigure1.TestsystemSUTUpperlayersIUTMAC-PDUsTETRAphysicallayerandradiocommunicationUTASPsDM-MACTCPLTlayerFigure1:RemoteSPyTtestmethodforTETRADMOMS-REP2MAClayer4.1.1LowerTester(LT)ALTislocatedinaremoteTETRAtestsystem.ItcontrolsandobservesthebehaviouroftheIUT.4.1.2UpperTester(UT)ThereisnoexplicitUTintheremotetestmethod,butthelayersaboveinsidetheSystemUnderTest(SUT)areusedimplicitlyfortestingtheMS-REP2MAClayer.4.1.3TestCoordinationProcedures(TCP)TheimplicitsendeventsdefinedbytheproviderofanimplementationinannexBservethepurposeoftheTCP.TheyareusedasaninputtotheIUTcommunicatingwiththeUTtoinitiatetesteventsattheMS-REP2MAClayer.SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)94.1.4PointofControlandObservation(PCO)AlltesteventsatthePCOcarryingserviceuserdataarespecifiedintermsofMAClayerPDUs.OnlyfewAbstractServicePrimitives(ASPs)aredefinedforcontrolorobservationpurposes.ThemappingoftheMACPDUsintothephysicallayerframestructureislefttothetestimplementation.4.2ATMfortheMS-REP2DMCCATSThisclausedescribestheATMusedfortestingtheDMCCprotocolofaMS-REP2.TheselectedmethodistheembeddedvariantoftheremotetestmethodusedinSinglePartyTesting(SPyT)context,asdefinedinISO/IEC9646-2[6],clause11.Thistestmethodhasbeenselected,because:-thistestmethodimpliesnospecificrequirementsfromtheImplementationUnderTest(IUT);-theupperServiceAccessPoint(SAP)oftheIUTcannotbedirectlyobserved;-thevarietyofthepossibleTETRAimplementationsisaserioustechnicalobstaclefortheadoptionofadifferentATM;-thistestmethodplacesminimumlimitationsintherealizationofconformancetesting.Theselectedtestmethodisillustratedinfigure2.TestsystemSUTUpperlayersIUTDMCC-PDUsTETRAphysicallayerandradiocommunicationUTPCOASPsDMCCMAClayerMAClayerTCPLTlayerFigure2:RemotesinglepartytestmethodforTETRAMS-REP2DMCCprotocol4.2.1LowerTester(LT)ALTislocatedinaremoteTETRAtestsystem.ItcontrolsandobservesthebehaviouroftheIUT.4.2.2UpperTester(UT)ThereisnoexplicitUTintheremotetestmethod,buttheTETRAMS-REP2DMCCandthelayersaboveinsidetheSystemUnderTest(SUT)areusedimplicitlyfortestingtheDMCClayer.SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)104.2.3TestCoordinationProcedures(TCP)TheimplicitsendeventsdefinedbytheproviderofanimplementationinannexBservethepurposeoftheTCP.TheyareusedasaninputtotheIUTcommunicatingwiththeUTtoinitiatetesteventsattheDMCCprotocollayer.4.2.4PointofControlandObservation(PCO)ThePCOislocatedinsidetheprotocol.AlltesteventsatthePCOcarryingserviceuserdataisspecifiedintermsofPDUs.ThemappingofthePDUstopossibleMediumAccessControl(MAC)layerserviceprimitivesislefttothetestimplementation.5ATSconventionsThisclausedescribestheconventionsappliedtodefinethetwoATSsandgivesthenamingconventionschosenforthedifferentelementsoftheATSs.TheATSconventionsareintendedtogiveabetterunderstandingoftheATSbuttheydescribealsotheconventionsmadeforthedevelopmentoftheATS,thusforanylatermaintenancepurposesorfurtherdevelopmentoftheATS,theconventionsdescribedinthisclauseshallbeconsidered.5.1Namingconventions5.1.1DeclarationspartThissubclausedescribesthenamingconventionschosenfortheelementsoftheATSdeclarationspart.5.1.1.1TestsuitetypeandstructuredtypedefinitionsThetestsuitetypeandtestsuitestructuredtypeidentifiersdescribetheinformationelements,andeachwholewordincludedinthenameiswritteninlowercasestartingbyanuppercaseletter:EXAMPLE:Priority_Level_Type:simpletype;SSI_Type:simpletype;ITSI_Type:structuredtype.Inthecaseanabbreviationisincludedinthedeclarationname,thereisanunderscore("_")beforeand/orafterit,separatingitfromtherestoftheidentifier.Thisrulewithabbreviationsapplytoallthenamingconventionsinthewholetestsuite.5.1.1.2TestsuiteoperationsdefinitionsThetestsuiteoperationidentifiersarecomposedofstringsinuppercaselettersstartingbytheuppercasestring"TSO_".Thedifferentstringsinthedefinitionareseparatedwithunderscores.EXAMPLE:TSO_ACTIVE_IND_CALL_OCCUPATION_REP2_MS.5.1.1.3TestsuiteparameterdeclarationsThetestsuiteparameteridentifiersarecomposedofstringsinuppercaselettersstartingbytheuppercasestring"PIC_"or"PIX_"andseparatedbyunderscores.IfthetestsuiteparameterreferencesaPICSitem,theprefix"PIC_"isused.EXAMPLE1:PIC_CIRCUIT_MODE_CALL.IfthetestsuiteparameterreferencesaPIXITitem,theprefix"PIX_"isused.SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)11EXAMPLE2:PIX_MS_ITSI.Completenamesasdefinedinthespecificationsareused.5.1.1.4TestcaseselectionexpressiondefinitionsThenamingconventionsforthetestcaseselectionexpressiondefinitionsusefreetextstartingwithanuppercaseletter.Thenameoftheexpressionshallexplainclearlytheselectionrule.ThetestcaseselectionexpressionsaregenerallylogicalcombinationsofthePICSelementdefinitions.5.1.1.5TestsuiteconstantdeclarationsThetestsuiteconstantidentifiersarecomposedofstringsinuppercaselettersstartingbytheuppercasestring"TSC_".EXAMPLE:TSC_RESERVED2.Completenamesasdefinedinthespecificationsareused.However,intheparametersincludingadotcharacter,thedotisreplacedbyanunderscore.5.1.1.6TestsuitevariabledeclarationsThetestsuitevariableidentifiersarecomposedofstringinlowercaselettersstartingbythelowercasestring"tsv_".Ifthetestsuitevariablerepresentsasystemparameterorvalue,thenamedefinedinthespecificationsisused.However,inthevariablesincludingadotcharacter,thedotisreplacedbyanunderscore.5.1.1.7TestcasevariabledeclarationsThetestcasevariableidentifiersarecomposedofstringsinlowercaselettersstartingbythelowercasestring"tcv_".EXAMPLE:tcv_counter.5.1.1.8PCOdeclarationsThepointofcontrolandobservationidentifiersarecomposedofthreetosixcapitalletters,beginningwithan"L",asthereareonlyLTs.EXAMPLE:LDMCC:RepresentsaPCOonDMCCforPDUs.5.1.1.9TimerdeclarationsTwokindsoftimerscanbedistinguished:1)standardized:Thosedefinedinthestandard,e.g.DT303,usethesamenameasinthestandard,beginningwithcapital"DT".Asthereisatolerancemarginacceptedforthesetimers,twovaluesareneeded:-theminimumvalueallowed,whichwillusethesuffix"_Min";-themaximumvalueallowed,whichwillusethesuffix"_Max".EXAMPLE1:DT303_Min,DT303_Max.SIST EN 300 394-4-13 V1.1.1:2003



ETSIETSIEN300394-4-13V1.1.1(2001-01)122)non-standardized:Thosenotdefinedinthestandard,i.e.forexecutionuse,e.g.atimerwaitingforaresponse.Thesetimersbeginwiththeprefix"T_",followedbyastringinlowercaseletterswitheachwordinthefollowingstringstartingwithanuppercaseletter.EXAMPLE2:T_IUT_Response;T_NoResponse.5.1.1.10ASPtypedefinitionsASPdefinitionsfollowt
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