Fibrain BU-XN is a compact wall-mounted fiber optic box designed for flexibility during installation as well as customization options due to its modular design. Single box can accommodate up to 12 splices or be equipped in 5 adapters. A characteristic feature of BU-XN is the possibility of aggregating in segments and extension also on customer's premises. BU-XN as a distribution point enables uncut cable installation and branching of the optical fiber in three directions. The construction of the housing inside provides wide range of fiber organization as well as the assembly of the Alubox splitter type. As a standard, it is equipped with cable glands with zip ties and mounting dowels.


  • Housing material PC+ABS – ensures high mechanical resistance;
  • Light and compact design;
  • Optional splice holders for 6 splices; Optional panel for 5 adapters;
  • Possibility of mounting Alubox PLC splitters in splice holder;
  • Dedicated mounting points for inline and drop cable;
  • Possibility of installation up to 8 drop cables;
  • Maximum 2 splice holders per box.


Technical data

  • Indoor distribution box for FTTH network;
  • Inspection window.