User's Manual
37
Figure 2-70 Rear panel
The NVR48-16P-EI/NVR44-16P-EI series rear panel is shown as below.
Figure 2-71 Rear panel
Table 2-23 Ports
Name Function
Power switch — Power on-off button.
Power input
port
— 90~264-12 VAC 12.5 A/-53 V 2.83 A.
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.
VIDEO 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.
Video output
port
CVBS output.
NO1–NO3
Alarm output
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