golmar Nexa - Description of the EL651 Sound Module

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Description of the EL651 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).
Label.
Ringtone selection jumper.
( tone 1 tone 2).0: / 7:
Button connector.
Back
.
- CO
- I1
- I2
- 10
- 5
- P1
- 3
- CV
- CV
- ~2
- ~1
:
Busy channel.
: .Call indicator button 1
: .Call indicator button 2
: Door panel microphone output.
: Door panel speaker input.
: Door release signal input.
: .Negative
: Contact “N.O.” for electric lock.
: Contact “C” for electric lock.
: TF104 power supply input.
: TF104 power supply input.
4+N bus connector and busy channel.
Door panel speaker volume control potentiometer.
Telephone speaker volume control potentiometer.
DESCRIPTION OF THE SOUND MODULES