Varslingssystem EN 54-16

for voice alarm systems according to EN 60849 (VDE 0828).

As a central controller, the MEVAC-4 can carry out numerous functions:

• Monitoring of the speaker lines
• Monitoring of the amplifiers with emergency switching (for 4 amplifiers and 1 spare amplifier)
• Digital voice storage for alarm announcements
• Monitoring of fireman's microphones 
• Distributor for audio input signals like microphone and background music
• 4 independently addressable announcement circuits in A/B wiring
• Fault signalling via relay contacts

Additional features:

• Connection for any number of emergency announcement microphones (1-channel or 4-channel)
• Extensive inputs and outputs for monitoring and signalling
• Modern DSP technology, updatable
• Programming simply done via mom. push-buttons and built-in display
• Input for background music
• Aux input to be activated via external contact
• Tone control and volume control for each amplifier channel
• Background music is turned off automatically with 24 V operation 
• Bass attenuation in case of an alarm
• RS-232 connection for programming and updating
• Power supply: 230 V˜/50 Hz/20 VA or 24 V DC current /500 mA
• Dimensions: 482x44x315 mm (1RS)
• Weight: 5 kg
• Mains operation and 24 V emergency power operation