The INDOOR FIBER OPTIC CABLE is a halgen-freee, tread-resistant and flame retardant IBER OPTIC CABLE for use in buildings, e. in factory halls and building automation. Nexans' range of fiber optic cables includes products intended for data and telecommunications as well as industrial applications. Robust cables for national networks, city networks, rural networks and property networks, for installation indoors, outdoors, in ground pipes, in air systems and in. Eurolan Uni LT fiber cables are used in backbone, distribution networks or in FTTH solutions. 8 mm gel filled loose tube with 2 - 12 fibers; ø 3.