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46
Figure 2-9
Please refer to the following sheet for detailed information.
SN
Icon
Name
Function
1
GND
Ground port
2
Power input port
Power socket.
3
Power switch
Power on/off button.
4
AUDIO IN
Audio input port
Connect to microphone and etc to
input signal.
5
VIDEO IN
Video input port
Connect to analog camera, video
input signal.
6
AUDIO OUT
Audio output port
Connect to sound box and etc to
output audio signal.
7
VIDEO OUT
Video output port
Connect to output devices such as
TV.
8
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.
NO1
~
NO6
Alarm output port
5 groups of alarm output
Summary of Contents for HCVR5204A Series
Page 1: ...Dahua HDCVI Standalone DVR User s Manual V1 5 0 ...
Page 78: ...69 3 8 Other Interfaces There are still other interfaces on the DVR such as USB ports ...
Page 139: ...130 Figure 4 74 Figure 4 75 ...
Page 140: ...131 Figure 4 76 Figure 4 77 ...
Page 146: ...137 Figure 4 83 Figure 4 84 ...
Page 148: ...139 Figure 4 86 Figure 4 87 ...
Page 156: ...147 Figure 4 99 Figure 4 100 ...
Page 217: ...208 Figure 5 61 Figure 5 62 ...
Page 248: ...239 Please check and maintain the device regularly ...
Page 266: ...257 ...