Fibre optic interconnecting devices and passive components - Performance standard - Part 021-3: Single-mode fibre optic connectors for category U - Uncontrolled environment (IEC 86B/3226/CD:2011)
Fibre optic interconnecting devices and passive components - Performance standard - Part 021-3: Single-mode fibre optic connectors for category U - Uncontrolled environment (IEC 61753-021-3:2012); German version EN 61753-021-3:2013— 22 стр.