Dahua 41HS-W-S2 Series User Manual

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Port Name
Function
GND
Alarm input ground port.
N1,N2
Alarm output port
1～2
 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.
C1～C2
A
RS-485
communication
port
RS485_A port. It is the cable A. You can connect to
the control devices such as speed dome PTZ.
B
RS485_B.It is the cable B. You can connect to the
control devices such as speed dome PTZ.
2.2.13 NVR44/44-8P/44-16P Series
The NVR44 series rear panel is shown as below. See Figure 2-48.
Figure 2-48
The NVR44-8P series rear panel is shown as below. See Figure 2-49.
Figure 2-49
The NVR44-16P series rear panel is shown as below. See Figure 2-50.
Figure 2-50
Please refer to the following sheet for detailed information.
Name
Function
Power switch
/
Power on-off button
Power input
port
/
Input AC 100~240V.

Dahua 41HS-W-S2 Series Specifications

General

Brand	Dahua
Model	41HS-W-S2 Series
Category	Network Hardware
Language	English