Dahua NVR100 series User Manual

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2.2.19 NVR74-8P/74-16P Series
The NVR74-8P series rear panel is shown as below. See Figure 2-60.
Figure 2-60
The NVR74-16P series rear panel is shown as below. See Figure 2-61.
Figure 2-61
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
1～16
Alarm input port
1～16
 There are four groups. The first group is from
port 1 to port 4, the second group is from port 5
to port 8, the third group is from 9 to 12, and
the fourth group is from 13 to 16. They are to
receive the signal from the external alarm
source. There are two types; NO (normal
open)/NC (normal close).
 When your alarm input device is using external
power, please make sure the device and the
NVR have the same ground.
GND
Alarm input ground port.

Dahua NVR100 series Specifications

General

Brand	Dahua
Model	NVR100 series
Category	Network Hardware
Language	English