ISO 14907-2-2021 pdf free download.Electronic fee collection – Test procedures for user and fixed equipment- Part 2: Conformance test for the on-board unit application interface.
5.2 ICS
The ICS is a statement made by the supplier that claims conformance to a certain specification. The ICS states which capabilities have been implemented in the specifications. It also states possible limitations in the implementation of the specification.
This document describes testing of implementations according to the following documents:
— EN 12834;
— ISO 14906.
Annex A contains the ICS proforma that shall be used for the ICS.
5.3 IXIT
The IXIT is a statement made by the supplier or an implementer of an IUT which contains or references all of the information, in addition to that given in the ICS, related to the DUT and its testing environment. The IXIT enables the test laboratory to run an appropriate test suite against the DUT.
In this document, the IXIT specifies the services in the lower communication layers that shall be used to perform the services to be tested. These services are described in EN 12795, EN 12253 and EN 13372, for example.
The IXIT shall also contain further information and describe algorithms and procedures that are not specified in the above listed documents but are prerequisites to perform the testing. Examples of such information are:
— content of the ApplicationContextMark in the VST,
— calculation of access credentials in DSRC services,
— use of returnCode in DSRC L7 services and EFC functions, and
— calculation of authenticators in EFC functions.
Annex B contains the IXIT proforma that shall be used for the declaration of the IXIT.
6 Testing requirements
6.1 EFC application interface
Figure 3 illustrates the scope of the conformance assessment of the EFC application interface covered by this document.
6.2 Conceptual test architecture
A remote test method shall be used for the conformance test of OBUs (DUT). Figure 4 shows the conceptual testing architecture of tester and DUT. The conformance test is only related to the the PoC,which is the point where the test events are controlled. The PoC shall be implemented inside the tester on the interface between the application layer and the APs.
The Point of Observation (PoO), which is the point where the occurrence of test events is to be observed,shall be implemented inside the tester on the interface between the application layer and the AP. The PoO must also interface the data link layer since some tests require observation of the behaviour on this layer.
The PoC and Po0 are characterized by a set of application service primitives (ASPs), according to the specifications of the tests. The test events observed at the PoO may be supplemented by information provided by other sub-units, for example, MMI or an IC card, if available with the DUT.ISO 14907-2 pdf download.