Product information "Fibre coupler LCD/APC without flange, with laser protection" from LogiLink Professional This LogiLink fiber optic coupler is suitable for mounting in FTTH boxes FB1001 and FB1002 (FB1002: remove metal clip beforehand!) and other suitable distributors. They are characterized by their long service life and high accuracy of fit. All Logilink fiber optic couplers and adapters comply with the applicable international standards.