标准摘要
[中文适用范围]： IEC 61753 的这一部分定义了单模连接器/电缆组件必须满足的 B/2 性能级别，才能被归类为满足 IEC 标准 O 类 - 不受控环境（如 IEC 61753-1 的表 A.4b 中所定义）。 [外文原描述]： This part of IEC 61753 defines B/2 performance levels which a singlemode connector/cable assembly must satisfy in order to be categorised as meeting the IEC standard, Category O - Uncontrolled environment, as defined in Table A.4b of IEC 61753-1.
英文名称Fibre optic interconnecting devices and passive componentsperformance standard - Part 021-6: Grade B/2 single-mode fibre optic connectors for category O - Uncontrolled environment