The MGD-32 Master Graphic Driver Module provides common control inputs for the common control switches such as System Reset, Signal Silence, Auxiliary Disconnect, Fire Drill, Lamp Test and Acknowledge. The MGD-32 Master Graphic Driver Module provides common control inputs for the common control switches such as System Reset, Signal Silence, Auxiliary Disconnect, Fire Drill, Lamp Test, Acknowledge and also General Alarm. There are supervised outputs for all of the support LEDs and the common control switches. The MGD-32 can drive up to 32 supervised outputs. As a result, these output points are capable of driving LEDs or incandescent lamps. Mounts in a graphic annunciator wall box or in the BB-5000 enclosures. Requires external power supply for incandescent lamps and lamp test.