Port Name Connection Function
MIC IN Audio input port
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as microphone, pickup.
MIC OUT Audio output port
Audio output port. It is to output the analog audio
signal to the devices such as the sound box.
●
Bidirectional talk output.
●
Audio output on 1-window video monitor.
●
Audio output on 1-window video playback.
VGA VGA video output port
VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
Network port
10/100 Mbps self-adaptive Ethernet port. Connect
to the network cable.
Power input port Power socket.
GND Ground end.
2.2.14 NVR22-I/NVR22-I2/NVR-52-2N-EI Series
The gures are for reference only.
Figure 2-82 Rear panel (1)
Figure 2-83 Rear panel (2)
Figure 2-84 Rear panel (3)
User's Manual
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