Manual

54
Figure 2-27
The NVR42-8P series rear panel is shown as below. See Figure 2-28.
Figure 2-28
Please refer to the following sheet for detailed information.
Name
Function
Power switch
Power on/off button.
Power input port
Input DC 12V/5A.
For NVR42 series product only.
Switch power port. Input DC 48//1.04A.
For NVR42-P series product only.
Input AC 100~240V.
For NVR42-8P 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.