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Description of the EL620/2PLUS sound module:
AUDIO AND VIDEO DOOR ENTRY SYSTEM - ACCESS CONTROL
Microphone.
Speaker.
Door panel speaker volume control potentiometer.
Telephone speaker volume control potentiometer.
Front.
Sound module buttons (x2).
2Plus Nexa bus connection block.
Label.
Button connector.
Back
.
+
BUS
CV1
CV2
+12
: .
Positive
: .Negative
: .Digital communication bus
: .Contact “C” for electric lock
: .Contact “N.O.” for electric lock
: .Power supply +12Vdc for electric lock
Configuration DIP switch.
Button number.
_
_
+
BUS
CV1
+12
Telephone speaker volume control potentiometer.
Door panel speaker volume control potentiometer.
CV2
DESCRIPTION OF THE SOUND MODULES
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