Nvr44/44-8P/44-16P Series - Dahua 41HS-W-S2 Series User Manual

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N1,N2
C1～C2
A
B

2.2.13 NVR44/44-8P/44-16P Series

The NVR44 series rear panel is shown as below. See Figure 2-48.
The NVR44-8P series rear panel is shown as below. See Figure 2-49.
The NVR44-16P series rear panel is shown as below. See Figure 2-50.
Please refer to the following sheet for detailed information.
Name
Power switch
Power input
port
Port Name
GND
Alarm output port
1～2
RS-485
communication
port
Figure 2-48
Figure 2-49
Figure 2-50
Function
Power on-off button
/
Input AC 100~240V.
/
Function
Alarm input ground port.

2 groups of alarm output ports.（group 1：port
NO1～C1, group 2：port NO2～C2）. Output
alarm signal to the alarm device. Please make
sure there is power to the external alarm device.

NO：Normal open alarm output port.

C：Alarm output public end.
RS485_A port. It is the cable A. You can connect to
the control devices such as speed dome PTZ.
RS485_B.It is the cable B. You can connect to the
control devices such as speed dome PTZ.
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