This European Standard covers wall boxes for up to 288 fibre splices. Wall boxes for connectors will be covered in a future part of the EN 50411-3 series. This European Standard covers two environmental service requirements, for use inside a building under category C and externally of buildings under category G both to EN 61753-1:2007. This European Standard contains the initial, start of life dimensional, optical, mechanical and environmental performance requirements of a fully installed optical fibre wall box, in order for it to be categorised as an EN standard product. The wall box must be suitable for fixing to a vertical internal or external surface above ground level. The wall box is a housing containing a fibre management system, containing splice trays of various fibre separation levels, and may contain one or more of the following: - storage and/or routing of cable; - through-box/uncut fibre, cable storage; - passive devices. This document specifies the number of splice trays for each fibre separation level.
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