SIST EN 301 001-4 V1.1.4:2005
(Main)Integrated Services Digital Network (ISDN); Outgoing Call Barring (OCB) supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user
- Abstract
Test specification for DE/SPS-05107-1
- Status
- Published
- Publication Date
- 31-Dec-2004
- Technical Committee
- SPN - Services and Protocols for Networks
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Jan-2005
- Due Date
- 01-Jan-2005
- Completion Date
- 01-Jan-2005
SIST EN 301 001-4 V1.1.4:2005 is the Slovenian adoption published by SIST of ETSI EN 301 001-4 for the Outgoing Call Barring (OCB) supplementary service on Integrated Services Digital Network (ISDN) using the Digital Subscriber Signalling System No. one (DSS1) protocol. It specifies the Abstract Test Suite (ATS) and the partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma for the user side of the T reference point, or the coincident S and T reference point, so that user-side implementations can be tested for conformance.
What does SIST EN 301 001-4 V1.1.4:2005 specify?
SIST EN 301 001-4 V1.1.4:2005 is a test specification, not a service description. It focuses on how to test user-side implementations of OCB against the stage three protocol specification in EN 301 001-1.
The document is organized into clauses for scope, references, definitions and abbreviations, the abstract test method, untestable test purposes, ATS conventions, the ATS to TP map, and conformance rules for PCTR, PIXIT and ATS. It then provides three normative annexes.
| Annex | What it covers |
|---|---|
| Annex A | Protocol Conformance Test Report (PCTR) proforma |
| Annex B | Partial PIXIT proforma |
| Annex C | Abstract Test Suite (ATS) |
What are the key requirements of SIST EN 301 001-4 V1.1.4:2005?
Clause 4 uses the remote test method for the OCB user ATS. The Point of Control and Observation (PCO) named "L" sits at the service access point between layers 2 and 3 and is used to judge verdicts, while the informal PCO "O" coordinates operator actions above the Implementation Under Test (IUT). In practice, this means testing is driven from outside the IUT, with operator steps separated from verdict decisions.
Clause 5 states that there are no untestable test purposes. For the reader, that means the ATS is intended to cover all listed test purposes through executable cases.
Clause 6.1 fixes the TTCN version to the one defined in TR 101 101. Clause 6.2 explains that ASN.1 is used where TTCN alone is not enough and for reproducing remote operation component types from the base standards. Tooling therefore needs to handle both TTCN and ASN.1.
Clause 6.2.2 sets the encoding rule handling. ASN.1 constraint tables use ISDN direct encoding by default, BER only where the table header says so, and ASN.1 types of type "Component" are encoded using BER. In practice, test tools and implementers must follow the declared encoding case for each table.
Clause 7 maps test purpose identifiers directly to test case names on a one-to-one basis. This makes traceability between the TSS & TP work and the ATS straightforward.
Clause 8 ties PCTR production to ISO/IEC 9646-5 and Annex A. A test laboratory that produces a PCTR must preserve the clause order and content structure of Annex A, so reports stay comparable.
Clause 9 ties PIXIT production to ISO/IEC 9646-4 and Annex B. The partial PIXIT may be extended with extra questions for a specific IUT, which is how a test setup captures the parameters needed to run the ATS.
Clause 10 requires the MOT and the executable test suite (ExTS) to conform to ISO/IEC 9646-4 and to be technically equivalent to Annex C. That means the executable tests must realize the abstract event sequences defined in the ATS.
What terms does SIST EN 301 001-4 V1.1.4:2005 define?
- ATS (Abstract Test Suite) - The set of abstract test cases and supporting structure used to specify conformance testing.
- PIXIT (Protocol Implementation eXtra Information for Testing) - The implementation-specific information needed to prepare and run tests on a particular system.
- PCTR (Protocol Conformance Test Report) - The report form used to record test results and conformance findings.
- IUT (Implementation Under Test) - The implementation being assessed for protocol conformance.
- SUT (System Under Test) - The system being exercised during testing, including the implementation and its test environment.
- PCO (Point of Control and Observation) - The test point used to control or observe behavior during testing.
- TTCN (Tree and Tabular Combined Notation) - The notation used to express the ATS.
Who uses SIST EN 301 001-4 V1.1.4:2005?
Test laboratories use this standard to run conformance tests and produce PCTR reports. Test realizers use it to build the MOT and the ExTS from the abstract test cases.
It is also used by manufacturers and integrators of user-side ISDN equipment that supports OCB, because they need the PIXIT information to prepare a specific IUT for testing. Quality and compliance teams use it to check that the implementation, the test setup and the report trail match the expected ETSI conformance structure.
Which standards are used with SIST EN 301 001-4 V1.1.4:2005?
| Standard | Role in relation to SIST EN 301 001-4 V1.1.4:2005 |
|---|---|
| EN 301 001-1 | Protocol specification for OCB; the base protocol this ATS tests |
| EN 301 001-2 | PICS proforma specification; used for implementation claims |
| EN 301 001-3 | TSS & TP specification for the user; source of the test purposes mapped into the ATS |
| EN 300 196-1 | Generic functional protocol for supplementary services on DSS1; used for ASN.1 and protocol context |
| TR 101 101 | TTCN interim version with ASN.1 support; defines the TTCN version used |
| ISO/IEC 9646 | Conformance testing framework and methodology; basis for abstract and executable testing |
| ISO/IEC 8825-1 | ASN.1 BER, CER and DER encoding rules; used where BER encoding is selected |
| EN 301 001-5 and EN 301 001-6 | Companion network-side parts listed in the foreword |
What does the SIST EN 301 001-4 V1.1.4:2005 document contain?
Annex A provides a structured PCTR form with identification, test environment, conformance summary, test campaign reporting and observations. Annex B provides a partial PIXIT form with test-laboratory details, SUT details, protocol information, parameter values, message-trigger actions and timer values.
Annex C contains the ATS itself in TTCN.GR and TTCN.MP forms, with the graphical form in the PDF file ocb_u01.PDF and the machine-processable form in ocb_u01.MP. The body also includes a remote test method figure and an ASN.1 encoding variation example, which help users implement and execute the test suite correctly.
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Frequently Asked Questions
SIST EN 301 001-4 V1.1.4:2005 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Integrated Services Digital Network (ISDN); Outgoing Call Barring (OCB) supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user". This standard covers: Test specification for DE/SPS-05107-1
Test specification for DE/SPS-05107-1
SIST EN 301 001-4 V1.1.4:2005 is classified under the following ICS (International Classification for Standards) categories: 33.080 - Integrated Services Digital Network (ISDN). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 301 001-4 V1.1.4:2005 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.SUHVNXãDQMHIntegrated Services Digital Network (ISDN); Outgoing Call Barring (OCB) supplementary services; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 301 001-4 Version 1.1.4SIST EN 301 001-4 V1.1.4:2005en01-januar-2005SIST EN 301 001-4 V1.1.4:2005SLOVENSKI
STANDARD
ETSIEN301001-4V1.1.4(1999-11)EuropeanStandard(Telecommunicationsseries)IntegratedServicesDigitalNetwork(ISDN);OutgoingCallBarring(OCB)supplementaryservices;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part4:AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationfortheuserSIST EN 301 001-4 V1.1.4:2005
ETSIETSIEN301001-4V1.1.4(1999-11)2ReferenceDEN/SPS-05107-4(99p00ieo.PDF)KeywordsATS,callbarring,DSS1,ISDN,PIXIT,supplementaryservice,userETSIPostaladdressF-06921SophiaAntipolisCedex-FRANCEOfficeaddress650RoutedesLucioles-SophiaAntipolisValbonne-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88Internetsecretariat@etsi.frIndividualcopiesofthisETSIdeliverablecanbedownloadedfromhttp://www.etsi.orgIfyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frImportantnoticeThisETSIdeliverablemaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshouldbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.CopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute1999.Allrightsreserved.SIST EN 301 001-4 V1.1.4:2005
ETSIETSIEN301001-4V1.1.4(1999-11)3ContentsIntellectualPropertyRights.5Foreword.51Scope.62References.63Definitionsandabbreviations.73.1Definitions.73.2Abbreviations.74AbstractTestMethod.75Untestabletestpurposes.86ATSconventions.86.1VersionofTTCNused.86.2UseofASN.1.86.2.1SituationswhereASN.1isused.86.2.2Specificationofencodingrules.87ATStoTPmap.98PCTRconformance.99PIXITconformance.1010ATSconformance.10AnnexA(normative):ProtocolConformanceTestReport(PCTR)proforma.11A.1Identificationsummary.11A.1.1Protocolconformancetestreport.11A.1.2IUTidentification.11A.1.3Testingenvironment.11A.1.4Limitsandreservations.12A.1.5Comments.12A.2IUTconformancestatus.12A.3Staticconformancesummary.12A.4Dynamicconformancesummary.13A.5Staticconformancereviewreport.13A.6Testcampaignreport.14A.7Observations.15AnnexB(normative):PartialPIXITproforma.16B.1Identificationsummary.16B.2Abstracttestsuitesummary.16B.3Testlaboratory.16B.4Client(ofthetestlaboratory).17B.5SystemUnderTest(SUT).17B.6Protocolinformation.18B.6.1Protocolidentification.18B.6.2IUTinformation.18SIST EN 301 001-4 V1.1.4:2005
ETSIETSIEN301001-4V1.1.4(1999-11)4B.6.2.1Parametervalues.18B.6.2.2SendingofmessagesbyIUT.19B.6.2.3Timervalues.19AnnexC(normative):AbstractTestSuite(ATS).20C.1TheTTCNGraphicalform(TTCN.GR).20C.2TheTTCNMachineProcessableform(TTCN.MP).20Bibliography.21History.22SIST EN 301 001-4 V1.1.4:2005
ETSIETSIEN301001-4V1.1.4(1999-11)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)hasbeenproducedbyETSITechnicalCommitteeSignallingProtocolandSwitching(SPS).Thepresentdocumentispart4ofamulti-partstandardcoveringtheIntegratedServicesDigitalNetwork(ISDN);OutgoingCallBarring(OCB)supplementaryservices;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol,asdescribedbelow:Part1:"Protocolspecification";Part2:"ProtocolImplementationConformanceStatement(PICS)proformaspecification";Part3:"TestSuiteStructureandTestPurposes(TSS&TP)specificationfortheuser";Part4:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationfortheuser";Part5:"TestSuiteStructureandTestPurposes(TSS&TP)specificationforthenetwork";Part6:"AbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformaspecificationforthenetwork".NationaltranspositiondatesDateofadoptionofthisEN:26November1999DateoflatestannouncementofthisEN(doa):29February2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31August2000DateofwithdrawalofanyconflictingNationalStandard(dow):31August2000SIST EN 301 001-4 V1.1.4:2005
ETSIETSIEN301001-4V1.1.4(1999-11)61ScopeThepresentdocumentspecifiestheAbstractTestSuite(ATS)andpartialProtocolImplementationeXtraInformationforTesting(PIXIT)proformafortheUsersideoftheTreferencepointorcoincidentSandTreferencepointofimplementationsconformingtothestagethreestandardfortheOutgoingCallBarring(OCB)supplementaryserviceforthepan-EuropeanIntegratedServicesDigitalNetwork(ISDN)bymeansoftheDigitalSubscriberSignallingSystemNo.one(DSS1)protocol,EN301001-1[1].EN301001-3[3]specifiestheTestSuiteStructureandTestPurposes(TSS&TP)relatedtothisATSandpartialPIXITproformaspecification.OtherpartsspecifytheTSS&TPandtheATSandpartialPIXITproformafortheNetworksideoftheTreferencepointorcoincidentSandTreferencepointofimplementationsconformingtoEN301001-1[1].2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]EN301001-1(V1.2):"IntegratedServicesDigitalNetwork(ISDN);OutgoingCallBarring(OCB)supplementaryservices;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part1:Protocolspecification".[2]EN301001-2(V1.2):"IntegratedServicesDigitalNetwork(ISDNOutgoingCallBarring(OCB)supplementaryservices;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part2:ProtocolImplementationConformanceStatement(PICS)proformaspecification".[3]EN301001-3(V1.1):"IntegratedServicesDigitalNetwork(ISDN);OutgoingCallBarring(OCB)supplementaryservices;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part3:TestSuiteStructureandTestPurposes(TSS&TP)specificationfortheuser".[4]EN300196-1:"IntegratedServicesDigitalNetwork(ISDN);Genericfunctionalprotocolforthesupportofsupplementaryservices;DigitalSubscriberSignallingSystemNo.one(DSS1)protocol;Part1:Protocolspecification".[5]TR101101:"MethodsforTestingandSpecification(MTS);TTCNinterimversionincludingASN.11994support[ISO/IEC9646-3](SecondEditionMock-upforJTC1/SC21Review)".[6]ISO/IEC9646:"Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework"(allparts).[7]ISO/IEC8825-1:"Informationtechnology-ASN.1encodingrules:SpecificationofBasicEncodingRules(BER),CanonicalEncodingRules(CER)andDistinguishedEncodingRules(DER)(seealsoITU-TRecommendationX.690:1994)".SIST EN 301 001-4 V1.1.4:2005
ETSIETSIEN301001-4V1.1.4(1999-11)73Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thetermsanddefinitionsgiveninISO/IEC9646[6]apply.3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:ATSAbstractTestSuiteBERBasicEncodingRulesETSExecutableTestSuiteIUTImplementationUnderTestLTLowerTesterMOTMeansOfTestingOCBOutgoingCallBarringPCOPointofControlandObservationPCTRProtocolConformanceTestReportPDUProtocolDataUnitPICSProtocolImplementationConformanceStatementPIXITProtocolImplementationeXtraInformationforTestingSUTSystemUnderTestTPTestPurposeTTCNTreeandTabularCombinedNotation4AbstractTestMethodTheremotetestmethodisappliedfortheOCBuserATS.APointofControlandObservation(PCO)residesattheserviceaccesspointbetweenlayers2and3inthetestsystem.ThisPCOisnamed"L"(forLower).TheLPCOisusedtocontrolandobservethebehaviouroftheImplementationUnderTest(IUT)andtestcaseverdictsareassigneddependingonthebehaviourobservedatthisPCO.Asecond"informal"PCO,called"O"(forOperator)isusedtospecifycontrolbutnotobservationabovetheIUT;eventsatthisPCOareneverusedtogeneratetestcaseverdicts.MessagessentbythetesteratthisPCOexplicitlyindicatetotheoperatoractionswhicharetobeperformedontheSUT.Thisisregardedasapreferredalternativetotheuseoftheimplicitsendevent.SIST EN 301 001-4 V1.1.4:2005
ETSIETSIEN301001-4V1.1.4(1999-11)8TesterInformaltestco-ordinationbyoperatorSUTUpperlayer(s)PCOOLTIUTPCOLLayer2Layer2Layer1Layer1ServiceproviderFigure1:RemotetestmethodwithPCOOfortestco-ordination5UntestabletestpurposesTherearenountestabletestpurposesassociatedwiththisATS.6ATSconventions6.1VersionofTTCNusedTheversionofTTCNusedisthatdefinedinTR101101[5].6.2UseofASN.16.2.1SituationswhereASN.1isusedASN.1hasbeenusedforthreemajorreasons.First,typesdefinedinASN.1canmodelproblemsthat"pure"TTCNcannot.Forinstance,datastructuresmodellingorderedorunorderedsequencesofdataarepreferablydefinedinASN.1.Second,ASN.1providesabetterrestrictionmechanismfortypedefinitionsbyusingsub-typedefinitions.Third,itisnecessarytouseASN.1toreproducethetypedefinitionsforremoteoperationcomponentsspecifiedinthebasestandardsinASN.1.ThepossibilitytouseTTCNandASN.1incombinationisused,i.e.referringtoanASN.1typefromaTTCNtype.6.2.2SpecificationofencodingrulesThereisavariationintheencodingrulesappliedtoASN.1typesandconstraintsspecifiedinthisATSandthereforeamechanismisneededtodifferentiatetheencodingrules.HoweverthemechanismspecifiedinISO/IEC9646-3/AM2[6]andinTR101101[5]doesnotfacilitatedefinitionoftheencodingrulesasneededforthisATS.AsolutionisthereforeusedwhichisbroadlyinthespiritofISO/IEC9646-3/AM2[6]inwhichcommentfieldshavebeenusedasameansofencodingrules.SIST EN 301 001-4 V1.1.4:2005
ETSIETSIEN301001-4V1.1.4(1999-11)9ForASN.1usedinthisATS,twovariationsofencodingrulesareused.OneisthecommonlyknownBasicEncodingRules(BER)asspecifiedinISO/IEC8825-1[7].InthesecondcasetheencodingisaccordingtoISDN,i.e.theASN.1datatypesarearepresentationofstructurescontainedwithintheISDNspecification(basiccall,Genericfunctionalprotocolorindividualsupplementaryservice).Forexample,ifoctetsofaninformationelementarespecifiedinASN.1asaSEQUENCEthenthisshouldbeencodedinanExecutableTestSuite(ETS)asanyotherISDNinformationelementspecifiedusingtabularTTCN.ThisISDNencodingvariationisthedefaultencodingruleforthisATS.ThismeansthatallASN.1constrainttablesareencodedusingISDN(non-BER)encodingunlessstatedotherwise.BERencodingshouldneverbeappliedtoanASN.1constraintwhereBERencodinghasnotbeenspecified.Thisencodingruleissometimesnamed"DirectEncoding".ForBERencoding,anindicationisgiveninthecommentsfieldofthetableheader.ForthisATSsuchindicationsappearintheASN.1typeconstraintdeclarationtablesonly.Inthefirstlineofthetableheadercommentfield,thenotation"ASN1_Encoding:BER"isused.NOTE:WithinBER,thereareanumberofvariationsfortheencodingoflengthsoffields.AccordingtoEN300196-1[4],anIUTshouldbeabletointerpretalllengthformswithinBERforreceivedPDUs.WhensendingPDUscontainingBERencoding,EN300196-1[4]givesguidelinesbutmakesnorestrictionsonthelengthformswithinBERwhichanIUTmayapply.InthisparticularATSallASN.1typeconstraintswhichareoftype"Component"aretobeencodedusingBER.Table1:ASN.1typeconstraintdeclarationshowinguseofencodingvariationASN.1TypeConstraintDeclarationConstraintName:DeactInv3ASN.1Type:ComponentDerivationPath:Comments:ASN1_Encoding:BERReceivecomponent:OCBDeactivateInvokecomponentDescriptiondeactivateOcb_ComponentsdeactivateOcb_InvokeComp{invokeID?,operation_valueglobalValuedeactivateOcb,argument{basicservice?pin?servedUserNr*,}}Detailedcomments:7ATStoTPmapTheidentifiersusedfortheTPs(seeEN301001-3[3])arereusedastestcasenames.Thusthereisastraightforwardone-to-onemapping.8PCTRconformanceAtestlaboratory,whenrequestedbyaclienttoproduceaPCTR,isrequired,asspecifiedinISO/IEC9646-5[6],toproduceaPCTRconformantwiththePCTRtemplategiveninannexBofISO/IEC9646-5[6].Furthermore,atestlaboratory,offeringtestingfortheATSspecificationcontainedinannexC,whenrequestedbyaclienttoproduceaPCTR,isrequiredtoproduceaPCTRconformantwiththePCTRproformacontainedinannexAofthepresentdocument.APCTRwhichconformstothisPCTRproformaspecificationshallpreservethecontentandorderingoftheclausescontainedinannexA.ClauseA.6ofthePCTRmaycontainadditionalcolumns.Ifincluded,theseshallbeplacedtotherightoftheexistingcolumns.Textinitalicsmayberetainedbythetestlaboratory.SIST EN 301 001-4 V1.1.4:2005
ETSIETSIEN301001-4V1.1.4(1999-11)109PIXITconformanceAtestrealizer,producinganexecutabletestsuitefortheATSspecificationcontainedinannexC,isrequired,asspecifiedinISO/IEC9646-4[6],toproduceanaugmentedpartialPIXITproformaconformantwiththispartialPIXITproformaspecification.AnaugmentedpartialPIXITproformawhichconformstothispartialPIXITproformaspecificationshall,asaminimum,havecontentswhicharetechnicallyequivalenttoannexB.TheaugmentedpartialPIXITproformamaycontainadditionalquestionsthatneedtobeansweredinordertopreparetheMeansOfTesting(MOT)foraparticularIUT.Atestlaboratory,offeringtestingfortheATSspecificationcontainedinannexC,isrequired,asspecifiedinISO/IEC9646-5[6],tofurtheraugmenttheaugmentedpartialPIXITproformatoproduceaPIXITproformaconformantwiththispartialPIXITproformaspecification.APIXITproformawhichconformstothispartialPIXITproformaspecificationshall,asaminimum,havecontentswhicharetechnicallyequivalenttoannexB.ThePIXITproformamaycontainadditionalquestionsthatneedtobeansweredinordertopreparethetestlaboratoryforaparticularIUT.10ATSconformanceThetestrealizer,producingMOTandExTSforthisATSspecification,shallcomplywiththerequirementsofISO/IEC9646-4[6],Inparticular,t
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