Dahua HCVR2108C-S2 Series, User Manual

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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.