Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148.5 kHz - Part 2-1: 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 residential, commercial and light industrial environments; German version EN 50065-2-1:2003 + Corrigendum 2003 + A1:2005
频率范围为3 kHz至148.5 kHz的低压电气装置上的信号发送.第2-1部分:在频率范围为95 kHz至148.5 kHz的住宅、商业和轻工业用主通信设备和系统的抗扰度要求