Farfisa PROJECT Series - Page 19

17
(MT12 - Gb2004)
PUSH-BUTTONS Matrix series
Modules with door speaker inte-
grated
MA 10P.
-amplified speaker unit with volume adjust-
ment of 2 channels (reception and transmis-
sion)
- steel front plate
-red operation LED.
MA 11P.
Same as MA 10P, with call button and name
plate panel with breakproof transparent screen
and green LED backlight.
MA 12P.
With 2 call buttons.
EXTERNAL DOOR STATIONS
I
NTERCOMS *
V
IDEOINTERCOMS *
T
ELECOMMUNICATION
M
A
T
R
I
X
MA10P MA11P MA12P MA20 MA22 MA24 MA42 MA43
MA42C MA43C
111 11
222 22
333 33
444 44
--------
AAAAAAAA
CC CC C
P1 P1 P1 P1 P1
P2 P2 P2
P3
P4
VV
MM
HH
L- L- L- L- L-
L+ L+ L+ L+ L+
Technical characteristics of MATRIX modules terminal boards
Reception audio line
Transmission audio line
Power supply input for electric door speaker (6÷12Vdc)
Audio ground
Alternated power supply input or ground for name-plate Led
AC or DC power supply input for name-plate Led (12Vac-dc)
Call push-buttons common
Call push-button
Call push-button
Call push-button
Call push-button
Video signal output (coaxial cable)
Video ground (coaxial shield)
Positive voltage input for camera (18÷24Vdc)
Alternated power supply input or ground for service Led
AC or DC power supply input for service Led (12Vac-dc)
Audio adjustments
If necessary, it is possible to adjust the volume
of the 2 channels audio opportunely varying the
external knobs.
Push-button modules
MA 20.
Blank module in stanless steel.
MA 22.
Module with 2 call buttons and name plate
panel with breakproof transparent screen and
green LED backlight.
MA 24.
With 4 call buttons.