66
right:
NO1 C1
，
NO2 C2
，
NO3 C3
，
NO4 C4,
NO5 C5 NC5
NO5 C5 NC5 is a group of NO/NC activation output (on/off button)
CTRL 12V
Control power output. For external alarm, you need to close the
device power to cancel the alarm.
+12V
It is external power input. Need the peripheral equipment to provide
+12V power (below 1A).
Earth cable.
485 A/B
485 communication port. They are used to control devices such as
decoder.
T+,T-,R+,R-
They are four-wire double duplex RS485 port
T+ T-: output wire
R+ R-: input wire
3.6.2 Alarm Input Port
Please refer to the following sheet for more information.
Grounding alarm inputs. Normal open or Normal close type)
Please parallel connect COM end and GND end of the alarm detector (Provide
external power to the alarm detector).
Please parallel connect the Ground of the DVR and the ground of the alarm detector.
Please connect the NC port of the alarm sensor to the DVR alarm input(ALARM)
Use the same ground with that of DVR if you use external power to the alarm device.
Figure 3-9
3.6.3 Alarm Output Port
Provide external power to external alarm device.
To avoid overloading, please read the following relay parameters sheet carefully.
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 ...
