User's Manual

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RS-232
RS-232 debug
COM.
It is for general COM debug to configure IP
address or transfer transparent COM data.
VGA
VGA video
output port
VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
2.2.19 NVR74-8P/74-16P Series
The NVR74-8P series rear panel is shown as below. See Figure 2-59.
Figure 2-59
The NVR74-16P series rear panel is shown as below. See Figure 2-60.
Figure 2-60
Please refer to the following sheet for detailed information.
Port Name
Function
Power switch
/
Power on-off button
Power input
port
/
Input AC 100~240V.
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.
VIEDEO
OUT
Video output port
CVBS output