Security Camera King DVR-CVI16480M, User Manual

Page: 46 / 258

37
are to receive the signal
from the external alarm
source. 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 NVR
have the same ground.
NO1 C1
～
NO3 C3
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.
A RS485 (RS-485)
communication port
RS485_A port. It is the cable A.
You can connect to the control
devices such as speed dome
PTZ.
B
RS485_B.It is the cable B. You
can connect to the control
devices such as speed dome
PTZ.
11 Power input port Input DC 12V
12 Power switch Power on/off button.
13 GND Ground port
2.2.3 General 720P 1.5U Series and Advanced 1080P 1.5U Series
This series products
’ rear panel is shown as below. See Figure 2-6.
The following figure is based on the 16-channel series product.