BS EN IEC 61753-053-02:2022 - Page 2

Fibre optic interconnecting devices and passive components. Performance standard. Non-connectorized, singlemode fibre, electrically controlled, variable optical attenuator for category C. Controlled environments | Status: Current

1 Scope This part of IEC 61753 contains the minimum initial test and measurement requirements and severities which non-connectorized single-mode fibre electrically controlled variable optical attenuator needs to satisfy in order to be categorised as meeting the requirements of category C – Controlled environments, as defined in Annex A of IEC 61753‑1:2018.