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Port Name
P
PoE PORTS
2.2.19 NVR21HS-I/NVR21HS-I2 Series
The figure is for reference only.
Port Name
HDMI
MIC IN
Connection
Function
Power output port. It can provide
power to some peripheral devices such
—
as camera and alarm device. Make sure
the power supply of peripheral device
shall be below 1 A.
Built-in switch. Support PoE function.
PoE port
For PoE series product, you can use this port to provide
power to the network camera.
Power switch
Power on/off button.
Power input
Power socket.
port
Figure 2-88 Rear panel
Table 2-34 Rear panel description
Connection
GND
USB port
High Definition
Media Page
Audio input port
52
Function
Ground end.
USB port. Connect to mouse, USB storage device
and more.
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. HDMI version is 1.4.
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as microphone, pickup.
User's Manual
The two ports
serve as
another group
of alarm
output ports.
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