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Description of the Previdia Ultra system parts
Fire detection and extinguishing system
3.11
IFAMFFT, emergency telephones module
The IFAMFFT module provides 4 lines for connecting emergency telephones up to a maximum of 64 telephones for
each line.
By picking up one of the telephones connected to the lines, the request for a conversation is notified on the FPAMIAS
front panel and the call can be accepted by via the display. It is possible to create a chat with up to 5 incoming calls.
Each control panel manages up to 4 IFAMFFT modules.
IFAMFFT comes with:
• 3 screws for securing the module to the grounding bar
• Instructions manual
IFAMAMP module - technical specifications
Power supply voltage
20-30 V
Operating temperature
from -5°C to +40°C
Consumption @ 27.6V
stand-by
530mA
during mains failure
and not in an
emergency situation
Max. 100mA (2.5W)
maximum
10A (250W + 14W)
Speaker lines
LINE A / B
voltage of outputs
Max. 100 Vrms
Maximum load
250W total
Minimum resistance
40Ohm total
Audio input
LOCAL AUDIO
Input voltage
Max. 1 Vrms
non balanced between “+” and
“GND” and between “-” and
“GND”
Input impedance
10K Ohm
Frequency response
50 - 20000 Hz
Separate volume adjustment for MUSIC 1/2
sources, voice and emergency announcements
+6 / -40 dB
Separate 3-band equalization for MUSIC 1/2
sources, voice and emergency announcements
+6 / -40 dB
[A]
Status LED
[D]
Holes for the Earth bar screws
[B]
Mini USB port
[E]
CAN DRIVE+ connector (opposite)
[C]
RISER n
Telephone line
connection terminals
C
B
A
E
D
