Abstract: An Optical connectivity module (1) suitable for installation in a corresponding chassis. The connectivity module (1) typically comprises a housing (2) defining an interior (3) and comprising a front face (4), wherein at least one row (5) of adapters (6) suitable to receive thereto corresponding optical connectors (7) from the interior (3) and from the exterior, the row of adapters (6) being arranged in the front face (4) spanning essentially across a total width (8) of the front face (4). Usually at least one cable channel (9) leading into the front face (4) above or below the row (5) of adapters (6), for routing therein at least one optical cable (10) across the front face being during operation interconnected to at least one of the adapters (6) of the row of adapters (6) from the interior (3).