EN 61753-2-3-2001 光纤互连器件和无源器件性能标准.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 IEC 61753-2-3:2001
Fibre Optic Interconnecting Devices and Passive Components Performance Standard - Part 2-3: Non-Connectorised Single Mode 1xN and 2xN Non-Wavelength-Selective Branching Devices for Category U - Uncontrolled Environment