The device includes an indexing adapter, two port monitors, a light source, and two fiber optic connectors. The indexing adapter has only three fiber optic connector receptacles. Two of the three fiber optic connector receptacles are situated adjacent to the third fiber optic connector receptacle. The third or center fiber optic connector receptacle separates the other two fiber optic connector receptacles from being positioned adjacent to one another. The center fiber optic connector receptacle is optically associated with the light source. Each of the other two fiber optic connector receptacles is respectively associated with one of the two port monitors. Each of the two fiber optic connectors includes only one optical fiber. The two fiber optic connectors are mechanically associated with one another.