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This part of IEC 61753 contains the minimum test and measurement requirements and severities which a fibre optic circulator as specified by IEC 62077 should satisfy in order to be categorized as meeting the requirements of circulators used in controlled environments as specified in IEC 61753-1. The requirements cover non-connectorized single-mode fibre optic pigtailed circulators for category C used in controlled environments. This standard contains the minimum requirements, details as well as the severities for 16 different tests. Thus, the standard ensures security of investment for manufacturers and operators and provides testing laboratories as well as manufacturers defined data for testing. The responsible committee is DKE/UK 412.7 "LWL-Verbindungstechnik und passive optische Komponenten" ("Fibre optic interconnecting devices and passive components") of the DKE (German Commission for Electrical, Electronic and Information Technologies) at DIN and VDE.
This document has been replaced by: DIN EN IEC 61753-091-02:2024-04 .