5 Immunity requirements5.1 General5.2 Performance criteria5.2.1 General5.2.2 Performance criteria A5.2.3 Performance criteria B5.2.4 Performance criteria C6 Emission requirements6.1 General6.2 Limits and test conditions for disturbances in the low frequency (LF) range6.2.1 Overview6.2.2 Harmonic currents6.2.3 Voltage fluctuations and flicker6.3 Limits and test conditions for disturbances in the radio frequency (RF) range6.3.1 Overview6.3.2 Power input port (150 kHz to 30 MHz)6.3.3 CPT port (150 kHz to 30 MHz)6.3.4 Wired network port or signal/control port (150 kHz to 30 MHz)6.3.5 Enclosure port (above 30 MHz)