System Clock, Single Sided, (w/ rubber feet), 12 VAC:
CC186 Series System Clocks can be manually set, or set and controlled via RS232 communications. All CC186 Series System Clocks can receive serial data input from computers or other controllers, for setting time and/or displaying short messages such as "FirE" and "bELL". Up to 50 clocks can be connected to a standard RS232 Port at distances of up to 2000 feet away. Signal drivers are available for adding additional clocks and greater distances.