The document covers type LSC fibre optic connector sets. Type LSC defines single way connectors with a bayonet coupling mechanism and a cylindrical butting ferrule of 2,5 mm nominal diameter.#,,#
DIN EN 186220:1996 history
1996DIN EN 186220:1996 Sectional specification: Connector sets for optical fibres and cables - Type LSC; German version EN 186220:1993