DIN EN IEC 61300-3-3:2024-04 光纤互连装置和无源元件 基本测试和测量程序 第3-3部分:检查和测量 衰减和回波损耗变化的主动监测(IEC 86B/4759/CDV:2023)
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 loss (IEC 86B/4759/CDV:2023)