Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz -- Part 2-2: Immunity requirements for mains communications equipment and systems operating in the range of frequencies 95 kHz to 148,5 kHz and intended for use in industrial environments
频率范围为3 kHz至148.5 kHz的低压电气装置上的信号第2-2部分:在频率范围为95 kHz至148.5 kHz的工业环境中使用的主通信设备和系统的抗扰度要求