Dahua XVR4108C-S2 User Manual

240
SN
Icon
Name
Note
12
AUDIO
OUT
Audio output
port
Connect to video output device such as sound box.
2.2.29 HCVR720XA-S2 Series
The HCVR7204A-S2 products’ rear panel is shown as below. See Figure 2- 72.
Figure 2- 72
The HCVR7208A-S2 products’ rear panel is shown as below. See Figure 2- 73.
Figure 2- 73
Please refer to the following sheet for detailed information.
SN
Icon
Name
Note
1
Power switch
Power on/off button.
2
1～8(16)
Alarm input
port 1～8(16)

There are two types; NO (normal open)/NC
(normal close).

When your alarm input device is using external
power, please make sure the device and the DVR
have the same ground.
NO1～NO3
Alarm output
port 1～3
 3 groups of alarm output ports. (Group 1:port
NO1 ～ C1,Group 2:port NO2 ～ C2,Group 3:port
NO3 ～ C3 ） ).Output alarm signal to the alarm
device. Please make sure there is power to the
external alarm device.
 NO:Normal open alarm output port.
 C:Alarm output public end.
C1～C3

Dahua XVR4108C-S2 Specifications

General

Brand	Dahua
Model	XVR4108C-S2
Category	DVR
Language	English