6
Port Name Connection Function
HDMI High Definition
Media
Interface
High definition audio and video signal output
port. It transmits uncompressed high
definition video and multiple-channel data to
the HDMI port of the display device.
VGA
VGA video
output port
VGA VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
1-3 Alarm input
port 1-3.
z Alarm input port.
z When your alarm input device is using
external power, please make sure the
device and the NVR have the same
ground.
Alarm input
port ground
end
Alarm input ground end.
NO
C
Alarm output
port
z 3 groups of alarm output ports. (Group 1˖
port NO1C1,Group 2:port NO2
C2,Group 3:port NO3C3˅).Output
alarm signal to the alarm device. Please
make sure there is power to the external
alarm device.
z NO˖Normal open alarm output port.
z C˖Alarm output public end.
A RS485_A port. It is the cable A. You can
connect to the control devices such as speed
dome PTZ.
B
RS485
(RS-485)
communication
port
I/O port
RS485_B.It is the cable B. You can connect
to the control devices such as speed dome
PTZ.
Power input
port
/
Input 12V DC.
Power button /
/
Power on/off button.
PoE PORTS 4 PoE ports
/
Built-in Switch supports PoE function.
The 4 PoE ports series product supports total
48V 50W.
Power input
port
/
Switch power port. Input DC 48V.
MIC IN Audio input
port
/
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices
such as mike phone, pickup.