Alarm Connection; Alarm Port - Dahua NVR41 Series User Manual

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HDMI
VGA

2.3 Alarm Connection

2.3.1 Alarm Port

The alarm port is shown as below. See Figure 2-77. The following figure is for reference only.
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1～16
NO1 C1, NO2 C2,
NO3 C3, NO4 C4
NO5 C5 NC5
CTRL 12V
＋12V
Name Function
10M/100Mbps self-adaptive Ethernet port.
Network port
Connect to the network cable.
USB2.0 port. Connect to mouse, USB storage
USB2.0 port
device, and etc.
High definition audio and video signal output
High Definition port. It transmits uncompressed high definition
Media Interface video and multiple-channel data to the HDMI
port of the display device. HDMI version is 1.4.
VGA video output port. Output analog video
VGA video output
signal. It can connect to the monitor to view
port
analog video.
GND Ground end.
Figure 2-77
Table 2-34
Function
ALARM1～ALARM16. The alarm becomes activated in the low
level.
Four NO activation output groups. (On-off button).
One NO/NC activation output group. (On-off button).
Control power output. Disable power output when alarm is
canceled. Current is 500mA.
Rated current output. Current is 500mA.
GND
56
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