Dahua NVR100 series User Manual

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Figure 2-76
The NVR42-16P-4KS2 series rear panel is shown as below. See Figure 2-77.
Figure 2-77
Please refer to the following sheet for detailed information.
Name
Function
Power switch
Power on/off button.
Power input port
Input DC 12V/4A.
For NVR42-4KS2 series product only.
Switch power port. Input DC 48/96W
For NVR42-P-4KS2 series product only.
Input AC90V~264V-12V5A/52V2.5A-190W.
For NVR42-8P-4KS2/NVR42-16P-4KS2 series product
only.
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.
1～4
Alarm input port
1～4
 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.
N1, N2
Alarm output port
 2 groups of alarm output ports. (Group 1：port

Dahua NVR100 series Specifications

General

Brand	Dahua
Model	NVR100 series
Category	Network Hardware
Language	English