9.
TECHNICAL SPECIFICATIONS
EV PROM5Z MASTER UNIT
General
Layout
Rack mountable steel enclosure with module slots on the rear panel.
EN 50102 IP protection: IP30IK4
Dimensions
width
: 19” – heith: 2U – depth: 195,5mm
Net weight
4,10 Kg
Front panel user interface
6x navigation keys, LCD graphic160x64 displau, 3x status leds
USB Device port
Power Supply
Input voltage
+24Vdc (min 22Vdc, max 28Vdc)
Rated power
2,64W (110mA @ 24Vdc)
– Test conditions: quiescent state, all slots empty, no call stations connected
Power distribution to call stations
2x 24Vdc bypass - max 1,5A on each bus
Extensions and Module Slots
Zone controllers
4x slots
Extension slots
1x general purpose extension slot for future use
Zone extension
2x RJ45 to EV PROS8Z unit
Audio Inputs
Call stations busses
Balanced 600ohm audio input; 250
÷
18.000Hz @-3dB, 2Vpk max, S/N >80dB
RS485 databus
+24V power supply, 1,5A max
AUX background music input
Stereo RCA mixed to mono; 60
÷
18.000Hz, 1.8Vpk max signal.S/N S/N >80dB
Digital player
12bit, 32Khz, audio files storage on internal uSD card.
Audio Flow Management
Architecture
4 lines matrix arrangement, commutation from sources to line modules.
Volume control
-50dB
÷
0dB
Tone control: bass, middle, treble
-14dB
÷
+14dB
Spare Amplifier Connections
Description
Automatic management and spare poter amplifier switching
Continuous monitoring
Output to spare amplifier
Balanced, trandformer coupled 600
Ω
1.20Vrms, S/N >80dB, THD <1%
Input from spare amplifier
100V output, maximum rated power: 500Wrms
Amplifier monitoring
18Khz, FFT analysis over output voltage, 5% tolerance over calibration value.
Input Contacts and Outputs
Recorded alarm message trigger
2x inputs, monitored against cable short and cable cut
Relay
1x NO or NC, 1A max
