I.S. EN 50121-4:2015被替代
Railway Applications - Electromagnetic Compatibility Part 4: Emission and Immunity of the Signalling and Telecommunications Apparatus
出版：National Standards Authority of Ireland
专家解读视频
Defines limits for emission and immunity and provides performance criteria for signalling and telecommunications (S&T) apparatus (including power supply systems belonging to S&T) which may interfere with other apparatus inside the railway environment, or increase the total emissions for the railway environment and so risk causing Electro-Magnetic Interference (EMI) to apparatus outside the railway system.
EN 50121-4:2016 - Identical
NF EN 50121-4:2015 - Identical
NF EN 50121-4:2006 - Identical
NEN EN 50121-4:2015 - Identical
NBN EN 50121-4:2015 - Identical
EN 50121-4:2015 - Identical
UNE EN 50121-4:2015 - Identical
BS EN 50121-4:2015 - Identical
BS EN 50121-4:2016 - Identical
NEN EN 50121-4:2016 - Identical
