DS DS/EN 61753-111-9
DS DSEN 61753-111-9 2010-MAR-25 Fbre optc nterconnectng devces and passve components performance standard - Part 111-9 Sealed closures for category S - Subterranean
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IEC 61753-111-9:2009 contains the minimum test and measurement requirements and severities which a sealed fibre optic closure must satisfy in order to be categorised as meeting the IEC standard for category S - subterranean, as defined in Annex A of IEC 61753-1. Free breathing closures are not covered in this standard.