It is an object of the present invention to provide a liquid crystal display panel having a high contrast ratio in a front direction. One roller bearing is adapted to ride along an upper surface of the cam groove, while the other roller bearing is adapted to ride along a lower surface of the cam groove. The mid-span access location, the accessed, terminated and connectorized optical fiber, the optical connector and at least a portion of the receptacle are encapsulated with a protective overmolded shell.