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OVE EN 50121-4:2017

Railway applications - Electromagnetic compatibility -- Part 4: Emission and immunity of the signalling and telecommunications apparatus (english version)

This standard applies to signaling and telecommunications equipment installed within the railway environment. Signaling and telecommunications equipment installed in vehicles shall be covered by EN 50121-3-2: 2016, and signal and telecommunications equipment installed in substations and connected to substation equipment shall be covered by EN 50121-5: 2017. This European Standard specifies emission and immunity limit values and the evaluation criteria for the performance of signaling and telecommunications (S & T) equipment (including S & T power supply systems) used with other equipment or

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