Fibre optic interconnecting devices and passive components performance standard - Part 052-3: Single-mode fibre, pigtailed-style fixed attenuators for category U - Uncontrolled environment— 17 стр.
Fibre optic interconnecting devices and passive components - Performance standard - Part 1: General and guidance (IEC 61753-1:2018 + COR1:2019); German version EN IEC 61753-1:2018 + AC:2019— 68 стр.