Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6: Examinations and measurements - Return loss— 25 стр.
Fibre optic interconnecting devices and passive components - Performance standard - Part 071-2: Non-connectorized single-mode fibre optic 1 x 2 and 2 x 2 spatial switches for category C - Controlled environments (IEC 61753-071-2:2014); German version EN 61753-071-2:2014— 17 стр.
Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-6: Examinations and measurements - Return loss— 25 стр.