ANNEX I CRequirements for construction, testing, installation, and inspection
Appendix 16
ADAPTOR FOR M1 AND N1 CATEGORY VEHICLES
2.GENERAL CHARACTERISTICS AND FUNCTIONS OF THE ADAPTOR
2.1.Adaptor general description
ADA_001The adaptor shall provide a connected VU with secured motion data permanently representative of vehicle speed and distance travelled.
The adaptor is only intended for those vehicles that are required to be equipped with recording equipment in compliance with this Regulation.
It shall be installed and used only in those types of vehicle defined in definition yy) ‘adaptor’ of Annex IC where it is not mechanically possible to install any other type of existing motion sensor which is otherwise compliant with the provisions of this Annex and its Appendixes 1 to 16.
The adaptor shall not be mechanically interfaced to a moving part of the vehicle, but connected to the speed/distance impulses which are generated by integrated sensors or alternative interfaces.