Central DTA with Voice

Master Controllers are bi-directional, full duplex voice communication system to assist during emergencies in high rise buildings or large sites where radio communication cannot be guaranteed to work due to interference from the fire corona. Master Controllers can accept up to eight lines of outstation, (Type A fixed phones, Type B refuge hands free points, emergency assist alarm point or jack points) as required. The touch-screen layout has four buttons allowing quick access to the main functions, and permanently displaying the number of current calls, alarms and faults.