Silent Knight 5104B Fire Control Communicator Replacement Board

This is the replacement board for the Silent Knight 5104B Fire Alarm Communicator. The 5104B is the central dialing device for use in Central Station Fire-Protection Signalling Systems. FEATURES and SPECS: • Six supervised fire zones, consisting of one Class A (Style D) and five Class B (Style B) zones. • Current limited loop power output for the Class B zone inputs. • Ground fault detection. • Built-in piezo sounder for trouble and supervisory conditions. • Reset/Silence switch that performs the following: -1 Silences troubles and alarms. -2 Resets smoke detector power. -3 Resets accessory power. • Supervision of Reset/Silence switch. If the switch is depressed for 15 seconds or longer, an audible trouble signal will occur. • 24 hour battery backup from a 12 VDC, 7 Ah rechargeable battery. • Separate battery charging circuit that maximizes battery life. ACCESSORIES: — Model 5230 Remote Annunciator (optional). Used for system control, programming and troubleshooting. — Model 7860 modular cable with spade lugs for connection to Telco RJ31X plug (optional).