Nvr78-Rh Series - Dahua NVR4108-P User Manual

2.2.14 NVR78-RH Series

The NVR78-RH series rear panel is shown as below. See Figure 2-36.
Please refer to the following sheet for detailed information.
Port Name
Power switch
Power input
port
MIC IN
MIC OUT
VIEDEO
OUT
1～16
NO1～NO5
C1～C5
Figure 2-36
/ Power on-off button
/ Input AC 100~240V.
Audio input port Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as mike phone, pickup.
Audio output port. It is to output the analog audio
Audio output port
signal to the devices such as the sound box.



Video output port CVBS output

Alarm input port
1～16

GND Alarm input ground port.

Alarm output port
1～5
Function
Bidirectional talk output.
Audio output on 1-window video monitor.
Audio output on 1-window video playback.
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.
5 groups of alarm output ports. (Group 1：port
NO1～C1,Group 2:port NO2～C2,Group 3:port
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