2.3 Electric Installation
This subsection describes how to connect
how to connect supply voltage and the electric lock.
Warning
Make sure that the device is
work properly.
PCB Connectors
2N
Description of Connectors
Number
Description
1
Loudspeaker connector
2
To pushbuttons
3
Microphone sensitivity attenuator: high (normal)
4
Microphone connector
2N TELEKOMUNIKACE a.s., www.2n.cz
®
Analog
Force/Safety
®
2N
Analog
Force/Safety
grounded
to make the half-duplex system
Connectors, PCB Version 3
to your PBX and
low
28/78
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