DIN EN 15153-2:2017-10

This European standard defines warning horn requirements which deliver the required audibility of approaching trains, including high speed and conventional rail and excluding road, metro and self-contained systems. For this purpose, the following requirements are included: - functional and technical requirements of the warning horn as a component, - functional and technical requirements of the integration of warning horns into the vehicle, and - test requirements. Operational requirements for warning horns have been excluded and the requirements for the control of warning horns can be found in prEN 16186-1.