KS C IEC 61300-3-3-2022
光纤互连器件和无源元件.基本试验和测量程序.第3-3部分:检查和测量.衰减和回波损耗变化的主动监测
Fibre optic interconnecting devices and passive components — Basic test and measurement procedures — Part 3-3: Examinations and measurements — Active monitoring of changes in attenuation and return lo