Fire-Lite ANN-80-W 80-Character LCD Serial Annunciator (White)The Fire Lite ANN 80 80 Character LCD Serial Annunciator (White) mimics the Fire Alarm Control Panel (FACP) display. It provides system status indicators for AC Power, Alarm, Trouble, Supervisory, and Alarm Silenced conditions. The ANN 80 and the FACP communicate over a two wire serial interface employing the ANN BUS communication format. Each ANN Bus device requires a unique address (ID Number) in order to communicate with the FACP. A maximum of 8