Notifier FCM-1 Addressable Control ModuleThe Notifier FCM 1 is an intelligent addressable supervised control module for Notifier SLC loops, designed to switch and supervise a notification appliance circuit using an external regulated 24 VDC supply or to switch high level audio up to 70. 7 Vrms. It supports direct dial addressing via rotary switches and provides clear status reporting back to the panel for NORMAL, OPEN, and SHORT conditions, with a built in LED for communication and