Bosch Plena - MIC;Line Input with VOX

Mic/line input with VOX
The voice alarm controller has 1 mic/line input with voice-activated (VOX) functionality. This
input has 2 sockets; a balanced XLR socket and a balanced 6.3 mm jack socket. The signals
from both sockets are mixed to form a single input signal.
L
R
PC
Impedance
Calibration
Mic/Line
GND
Figure 5.12: Mic/line input with VOX functionality
The input automatically starts a business or emergency call if the input is higher than -10 dB
or if the VOX switch is closed. The input must be configured with the configuration software.
Notice!
See the Configuration Software Manual for more information about the configuration
software.
1 2 3 4 5 6
VOX Switch
1 2 3 4 5 6
24V
DC out
Figure 5.13: Connecting a VOX switch
5.1.9
Plena Connection | en 59
Bosch Security Systems B.V. Installation and Operation manual 2013.07 | V2.0 |