Videx 4000 Series Manual

4000 Series
Art. 4304
Speaker unit
Art. 4304X
Speaker unit with built-in proximity key reader
A
C
Fig. 1 Front
DESCRIPTION
Speaker unit module for VX2300 digital system.
Art. 4304X versions are also equiped with a built-in proximity
key reader and programming modes.
The unit circuitry incorporates:
• The transmitting amplifier with microphone and volume control
• The receiving amplifier with volume control
• The audio balance circuit with "BALANCE" control
• The enslavement relay to enable the electric lock (3 contacts:
common, normally open and normally closed). It can work
also as capacitor discharge to supply directly the electric lock
• The call buttons from (0, 1 or 2 depending on the module version
• The illumination LEDs for the card name holder
• The 2 output with common and normally open contancts
nd
for service use.
LEDS
The first LED (red), if switched ON, indicates that it is
not possible to make a call because a call or a conver-
sation is in progress (from the outdoor station from
which you are calling or from another outdoor station
on systems with multiple entrances).
The second LED (red), if switched ON, indicates that a
call is in progress. The LED will be switched OFF when
the call is answered.
The third LED (yellow), if switched ON, indicates that it is
possible to speak. The LED will be switched OFF at the end
of conversation (or at the end of the conversation time).
The fourth LED (green), if switched ON, means that the
door lock has been operated. It will be switched OFF at
the end of the "door opening" time.
Art. 4304/4304X -
Installation instructions
4304-0
4304-1
4304-2
B
4304X-0
4304X-1
4304X-2
STEEL
ALI
MATTE
GUN METAL
D
M
Fig. 2 Back
LEGEND
Loudspeaker
A
Operation LEDs
B
Card name holder with built
C
in-in proximity key reader
(only Art. 4304X versions)
Call push button
D
AVAILABLE VERSIONS
Art. 4304-0 Art. 4304X-0
CONTROLS
Balance
Prevent Larsen effect on bidirectional audio conversation.
Loudspeaker volume
Adjust the loudspeaker volume.
Rotate clockwise to increase or anti-clockwise to decrease
Microphone volume
Adjust the microphone volume.
Rotate clockwise to increase or anti-clockwise to decrease
- 1 -
R 0.1
ON
Made in Italy 1 2 3 4 5 6 7 8
RS485
EXPANSION
BUTTONS
Balance
E
Loudspeaker volume
F
Microphone volume
G
8 way dip-switch
H
RS485 connection terminals
I
(only Art. 4304X versions)
IDC male connectors
L
Connection terminals
M
1
Art. 4304-1 Art. 4304-2
Art. 4304X-1 Art. 4304X-2
66251857 - V1.6 - 30/11/22
PCB Rev.0.1
E
F
G
H
I
L
2
1