Speaker unit module with built-in functional to digi-
tal interface
Fig.1 Fig.2
DESCRIPTION
Functional speaker module for up to 64 traditional call buttons. The unit circuitry incorporates :
The transmitting amplifier with condenser microphone and volume control;
The receiving amplifier with volume control;
The audio balance circuit with the “BALANCE” control;
The enslavement relay to enable the electric lock (3 contacts: common, normally open and normally closed). It can also operate as capacitor dis-
charge to power directly the electric lock;
The call buttons from 0 to a maximum of 2 depending on the module version;
The illumination LEDs for the card name holder.
The module is available in 3 versions according to the number of built-in push buttons.
Module Details:
a. Loudspeaker;
b. Call push button (0 up to 2 according to the model);
c. Card name holder;
d. Microphone;
e. Balance control;
f. Loudspeaker volume Control;
g. Microphone volume control;
h. Door relay operating mode jumper;
- Lower position for capacitor discharge;
- Upper position for dry contacts;
i. Connector to supply button expansion modules
- 3 modules can be connected between LD1 and GND;
- 3 modules can be connected between LD2 and GND;
- +V is 30V output with no current regulation to supply 3 button expansion modules connected in series
j. Dip-switch to carry out the following programming:
- Door station ID (switches 1 to 3);
- Door opening time (switch 4);
- Conversation time (switch 5);
- Offset (switch 6);
- Camera selection order (switch 7);
- 2306 block mode (switch 8);
k. System connection terminals;
l. CNV connector to link to Art.4330N camera module;
m. Wires to configure built-in buttons:
- White = Common;
- Red = P1;
- Blue = P2
AVAILABLE MODULE VERSIONS
Art.4303N-0
Art.4303N-1
Art.4303N-2
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