Bosch Dinion2X NBN-498 User Manual Page 30

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30 en | Installation Dinion2X IP Camera
AR18-10-B006 | v1.1 | 2010.06 Installation and Operation Manual Bosch Security Systems
5.4 Audio connectors
Figure 5.4 Audio connectors
Connect audio devices to the Audio In and Audio Out
connectors.
The unit has full-duplex mono audio. The two-way
communication can be used to connect a speaker or door
intercom system. The audio input signal is transmitted in sync.
with the video signal.
Audio input: Line input level (not suitable for direct
microphone signal); impedance 9 kOhm typical; 5.5 Vpp
maximum input voltage.
Audio output: Line output level (not suitable for direct speaker
connection); impedance 16 Ohm minimum; 3 Vpp maximum
output voltage.
Wiring: Shielded audio connection cable is advised. Observe
maximum cable lengths for audio line input and output levels.
1
2
3
4
5
6
E
T
H
P
o
E
ALARM
AUDIO IN
AUDIO OUT
VIDEO
DATA
1
2
3
4
5
6
+
12 VDC
24 VAC
GND
Line
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