Fibre optic interconnecting devices and passive components - Performance standard - Part 053-2: Non-connectorized single-mode fibre, electrically controlled, variable optical attenuator for category C - Controlled environments (IEC 61753-053-2:2014); German version EN 61753-053-2:2014— 16 стр.
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 2-9: Tests - Shock (IEC 61300-2-9:2017); German version EN 61300-2-9:2017— 14 стр.