IEC 61753-2-3-2001
纤维光学互连器件和无源元件性能标准 第2-3部分:U类不做或连接器的单模1xN及2xN非波长可选分支器件 非受控环境
Fibre optic interconnecting devices and passive components performance standard - Part 2-3: Non-connectorised single-mode 1×N and 2×N non-wavelength-selective branching devices for category U; Uncontrolled environment