Dahua VTO1220A

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No.
Name
Description
3
RS-485/RS-482 port
See "2.4.2 RS-485/RS-482 Port."
4
Ethernet port
Connects to the network with Ethernet cable.
5
Access input port
See "2.4.1 Access Control Input and Output Port."
6
Analog signal port
See "2.4.3 Analog Signal Port."
7
Tamper alarm
The VTO would make alarm sound if it is being
removed from the wall by force, and the alarm will
also be sent to the management center.
VTO1220BW/VTO1210B-X
2.2.1 Front Panel
VTO1220BW/VTO1210B-X
Table 2-3 Front panel description
No.
Name
Description
1
MIC
Inputs audio.
2
Fill light
Provides extra light for the camera.
3
Motion
sensor
The sensor is triggered when people or object approaching.
4
Speaker
Outputs audio.