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Emergency call system over IP with integrated PA system

An IP electronic board with PA functionality controls a call box and an a power amplifier providing the path for PA audio from the Control Center to the speakers distributed along the road or tunnel. The call box keeps all of its emergency call functionalities in addition to PA function.

Configuration of the SOS emergency call system IP with integrated PA system

 

Soluciones SOS IP

IP call box electronic board with PA functionality

Poste SOS IP con megafonía

Handles a call box and a PA amplifier. Functionalities: user and maintenance call, call box testing under request, automatic alarm notification and low power consumption, PA system function.

PA amplifier

Amplificador de megafonía para megafonía por postes SOS

Power :2x140 W maximum, 2x100 W RMS
Frequency response:50-15000 Hz ±3 dB
Harmonic distortion: less than 2% a 1 KHz
Input: RCA line 100000 ohm, 1 V ,Power RCA TTL
Output: 2 x output line100 V
Tone control: bass ±10 dB at 100 Hz,middle: ±10 dB at 5000 Hz, treble: ±10 dB at 10000 Hz
Volume control: master volume.
Output impedance: line 100 V
Power supply: 230 VAC 280 W
Dimensions 420x132x220 mm . 3U rack 19”
Weight: 11,9 Kg

Control center software for emergency call system and integrated PA system

Software Musatel SOS, main window with PA management window

MUSATEL/SOS software provides the user interface towards integrated PA system. MUSATEL/SOS application handles SOS emergency call system as well as integrated PA system, making the system operation more user friendly. PA announcements are made by the operator by means of a microphone connected to the PC sound card. Voice communication with the SOS call boxes is made by means of an USB headset connected to the management PC (or headset connected to an auxiliary sound card of the management PC).