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VRDK1/CL TECHNICAL MANUAL
VER1.0
Speech volume adjustments are carried out at the door panel using a small trimmer driver.
POWER SUPPLY
Art.520M
The power supply is the Art.520M. Outputs of 12Vdc (200mA), 8Vdc (300mA) and 13Vac
(1A) are available. The dc outputs are designed to power the amplifier modules only and
can not be used to power other devices such as lock releases etc. These items must be
connected to the AC output of this power supply.
.
TELEPHONE
Art.3021
BLOCK DIAGRAM
CONNECTIONS
Terminal Function
+12
12Vdc output (200mA Max.)
+8
8Vdc output (300mA Max.)
-
0V
(Ground)
~
13Vac
(1A
Max.)
230
Mains in (Live connection)
0
Mains in (Neutral connection)
The Smart line Art.3021 is a wall mountable AC buzzer phone and
includes a lock release push button.
CONNECTIONS:-
Function
1
Transmit speech to the door panel
2
Receive speech from the door panel
3 0V
4
Not used (Electronic call tone input)
5
Lock trigger (Switched 0V)
6
Call line (13Vac input to trigger buzzer)
Adjustment for
speech volume level
at the door station
Adjustment for
speech volume at the
apartment
Fuse
compartment
