Security Camera King DVR-CVI16480M, User Manual

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35
port1
～
8 first group is from port 1 to
port 4, the second group is
from port 5 to port 8. They 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
2.2.2
DVR-CVI16480M
This series products
’ rear panel is shown as below. See Figure 2-5.
The following figure is based on the 16-channel series product.