Dahua VTH1520AS-H User Manual

Network Diagram 16
3.2 Digital System
Digital system network consist of two types:
 VTH adopts PoE power supply from floor switch, as shown in Figure 3-2.
Figure 3-2
 VTH adopts independent power supply from power supply device, as shown in Figure 3-3.

Dahua VTH1520AS-H Specifications

General

Brand	Dahua
Model	VTH1520AS-H
Category	Intercom System
Language	English