Nvr74 Series - Dahua NVR4108-P User Manual

Name
Power switch
PoE
PORTS
MIC IN
MIC OUT

2.2.10 NVR74 Series

The NVR74 series rear panel is shown as below. See Figure 2-31.
Please refer to the following sheet for detailed information.
Icon
MIC IN
MIC OUT
Function
Power input port Input AC 100~240V.
/ Power on-off button.
Bult-in Switch. Support PoE.
/ The 8 PoE series product supports total 48V
120W. One PoE port max supports 15W.
Audio input port Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as mike phone, pickup.
Audio output port. It is to output the analog audio
Audio output port
signal to the devices such as the sound box.



Figure 2-31
Name
Power switch
Power input port
Audio input port
Audio output port
Bidirectional talk output.
Audio output on 1-window video monitor.
Audio output on 1-window video playback.
Function
Power on/off button.
Input AC 100~240V.
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as mike phone, pickup.
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.
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