BS EN 61300-3-42:2008
纖維光學互連器件和無源元件 基礎試驗和測量程序 檢查和測量 單模準直套管和/或帶彈性準直套管轉換器的衰減
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-42: Examinations and measurements — Attenuation of single mode alignment sleeves and or adaptors with resilient alignment sleeves