Manual
27
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 16-Channel General 720P 1U Series and 8-Channel Advanced
1080P 1U Series
This series products’ rear panel is shown as below. See Figure 2-5.
The following figure is based on the 16-channel series product.