An electronic gaming machine including a cabinet defining an interior space. The electronic gaming machine also includes a door releasably fastened to the cabinet operable to move between a locked state preventing access to the interior space and an unlocked state permitting access to at least a portion of the interior space. A security housing comprising a locking assembly and an optical switch coupled to a processor. The locking assembly includes an actuator defining a channel. The optical switch comprises a transmitter and a receiver. When the door engages the locking assembly, the actuator is operable to move the channel to align with the transmitter and the receiver to form an optical path between the transmitter and the receiver through the channel and the optical switch is operable to communicate the locked state to at least one of the processor, the server computer, and the gaming system.