Dahua DH-VTO9221D User Manual

12
4 Installation and Debug
4.1 Device Wiring
Please see device rear panel.
4.2 Installation
Warning:
 Avoid installation in poor environment, such as condensation, high temperature, oil
stain, dust, corrosion or direct sunlight.
 Project installation and debugging must be done by professionals. Please do not
open the device in case of failure, and please contact after sales service.
4.2.1 Screw
Component Name
Diagram
Quantity
M4×30 cross pan head
machine screw
2
Chart 4-1

Dahua DH-VTO9221D Specifications

General

Brand	Dahua
Model	DH-VTO9221D
Category	Intercom System
Language	English