Dahua HCVR5104C Series - HCVR52 XXA-V2; HCVR72 XXA-V2 Series

180
PTZ.
10
Power input port
Input 12V DC.
11
GND
Ground end
2.2.25 HCVR52XXA-V2/ HCVR72XXA-V2 Series
This series products’ rear panel is shown as below. See Figure 2-62.
The following figure is based on HCVR7204A-V2 series product.
Figure 2-62
Please refer to the following sheet for detailed information.
SN
Icon
Name
Note
1
Power switch
Power on/off button.
2
1～4
Alarm input
port 1～4
 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
3
Power input
port
Input DC 12V/5A.
4
AB
RS-485
communicati
on port
 RS485_A port. It is the cable A. You can connect
to the control devices such as speed dome PTZ.
 RS485_B.It is the cable B. You can connect to
the control devices such as speed dome PTZ.
5
AUDIO IN
Audio input
port
It is to receive the analog audio signal output from the
devices such as mike phone, pickup.