Fire-Lite Alarms CMF-300-6Fire Lite's CMF 300 6 six circuit supervised control module provides the MS 9050UD, MS 9200UDLS, and MS 9600(UD)LS with supervised monitoring of wiring to load devices that require an external power supply to operate, such as horns, strobes or bells. Each module is intended for switching applications involving AC, DC, and audio which require wiring supervision.