Dahua Technology NVR2104/2108HS-W-4KS2 1U, Руководство пользователя

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Table of Contents 26
The NVR42-16P series rear panel is shown as below. See
Figure 2-37.
Figure 2-37
Table 2-19
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/42-16P 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