Dahua VTO4202F Series

Structure 4
Indicator light module (rear panel) Figure 2-5
Table 2-4 Indicator light module (rear panel) description
No.
Name
Description
1
Cascade input port
Connected to other modules.
2
Cascade output port
Audio Module 2.3
Rear panel of audio module is the same as rear panel of camera module.
Audio module Figure 2-6
Table 2-5 Audio module description
No.
Name
Description
1
Microphone
Audio input.
2
Speaker
Audio output.
Button Module 2.4
One-button module, two-button module, and five-button module are available. Their functions
are the same, although button quantity is different.
Here five-button module is taken as an example. See Figure 2-7 and Table 2-6.