Dahua Technology VTH5421E Series User Manual

9
1.2.4 VTH5221D Series
Figure 1-11 Rear panel
Table 1-6 Rear panel description
No. Port
1 Reset key
2 Network port
3 RS-485 extended port
4 Alarm port
5 SD card slot
Figure 1-12 RS-485 extended port

Dahua Technology VTH5421E Series Specifications

General

Brand	Dahua Technology
Model	VTH5421E Series
Category	Conference System
Language	English