Fiber optic connection unit for parapet duct with coupling, equipped with 1xQ-LC, 1xSC-D, 1xST-D coupling, outlet direction 45° inclined downwards, for fiber optic couplings with flange fastening (no clips), stress-free, protected placement of the fiber optic connectors inside the duct, strain relief with cable ties, central piece 50 x 50 mm in accordance with DIN 41075 Part 1:1989, viewing window for enclosed label insert, compliance with bending radii >20 mm for fiber optic cables in conjunction with mounting bracket, suitable for pre-assembled cables or connector on-site assembly, standard color pure white RAL 9010, variants: 1xQ-LC, 1xSC-D, 1xST-D