EN 61753-2-1-2000 光纤互连器件和无源器件性能标准.第2-1部分:U类单模端接光纤连接器.非受控环境 IEC 61753-2-1:2000
Fibre Optic Interconnecting Devices and Passive Components Performance Standard Part 2-1: Fibre Optic Connectors Terminated on Single-Mode Fibre For Category U - Uncontrolled Environment