This standard contains the German version of the European Standard EN 55024:2010 + A1:2015 and takes over the International Standard CISPR 24:2010 and its Amendment 1:2015. It specifies requirements and associated test methods for the immunity of information technology equipment (ITE). Particular test conditions and performance criteria for particular kind of equipment are contained in the normative annexes. In relation to the previous edition the 4 % step size for tests with continuous rf was (re-)introduced, sub-clause A.26 was added and cable attenuation values for further DSL systems were added in table H.2.