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The EN 4641 standard series describes various optical cables (fibre optic cables) with a fibre cladding outside diameter of 125 µm for aerospace applications. Part 301 specifies the general characteristics, conditions for qualification, acceptance and quality assurance for a fibre optic cable with a 50/125 µm Graded Index fibre core, 1,8 mm outside cable diameter for non pull-proof contact designs. The standards of the EN 4641 series have been prepared by ASD-STAN, Technical Section Electrics, Avionics, with the participation of German experts of the Aerospace Standards Committee. The European Committee for Standardization (CEN) declared the Aerospace and Defence Industries Association of Europe (ASD-STAN) responsible for the preparation of European standards (EN) for the field of aerospace. The responsible German standardization committee is Working Committee NA 131-04-10 AA "LWL und LWL-Komponenten" ("LWL and LWL-components") of the Aerospace Standards Committee at DIN.
This document has been replaced by: DIN EN 4641-301:2022-08 .