Fiber optic connection unit for duct/surface mounting with fiber optic couplings, equipped with 4 ST SM+MM couplings, compliance with a bending radius of approx. 30 mm through integrated cable reservoir, plug direction inclined 10° downwards, strain relief with cable ties possible, with viewing window for enclosed label insert, suitable for pre-assembled cables or plug on-site assembly, suitable for mini breakout cables, color of the cover parts pure white RAL 9010, variants: 2 LC-D, 2 SC-D, 4 ST