Mic/Line Input With Vox - Bosch Plena Operating Manual

Plena
5.1.9

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.
PC
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.
Figure 5.13: Connecting a VOX switch
Bosch Security Systems B.V.
Impedance
Calibration
GND
L
Mic/Line
R
1 2 3 4 5
1 2 3 4 5
Installation and Operation manual
24V
6
DC out
6
VOX Switch
Connection | en 59
2013.07 | V2.0 |