Over deze norm
|Commissie||Fibre optic communications|
This European Standard contains the dimensional, optical, mechanical and environmental performance requirements of a fully installed optical fibre wall box, in order for it to be categorized as an EN standard product. The typical configuration is splicing of incoming fibres to optional splitters and/or to pigtails, connecting pigtails plugs on one side to patchcord plugs on the other side, using adapters. A wall box is a protective housing containing a fibre management system with splice trays of various fibre separation levels and connector mounting plates. The wall box may contain one or more of the following: - storage and routing of fibre and cable; - uncut fibre cable storage; - splice trays; - adaptors and connectors; - passive optical devices (optical splitters or WDM). A wall box can be installed on a vertical indoor or outdoor surface above ground level. If the wall box is required to be relocatable with cables attached, the following additional tests shall be performed: - cable bending; - cable torsion. This document specifies the number of splice trays and splice/connector capacity for each fibre separation level. The maximum capacity is 144 connectors and splice. For housings with a higher number of splices and connectors the document prEN 50411-4-1 (Cabinets) should be used. Wall boxes for fibre splices only are covered in EN 50411-3-1:2012.
|Engelse titel||Fibre organisers and closures to be used in optical fibre communication systems - Product specifications - Part 3-4: Fibre management systems, wall box for splice to patchcord connections, for category C and A|