Dahua NVR41-4KS2 Series, User Manual

Page: 67 / 452

User's Manual
51
No. Port Name Function
Alarm output port
(NO1-NO5, C1-C5,
NC5)
●
Five groups of alarm output ports (Group 1: NO1-C1,
Group 2: NO2-C2, Group 3: NO3-C3, Group 4: NO4-C4,
Group 5: NO5, C5, NC5). Output alarm signal to the
external alarm device. Make sure power supply is
available for the external alarm device.
●
NO: Normal open alarm output port.
●
C: Alarm output public end.
●
NC: Normal close alarm output port.
GND. Alarm input ground port.
RS485 port (A, B)
●
RS485_A port. Control cable A of the 485 device. It
connects external devices such as speed dome and PTZ.
●
RS485_B port. Control cable B of the 485 device. It
connects external devices such as speed dome and PTZ.
CTRL
Controllable 12V power output. It is to control the on-off
alarm relay output. It can be used to control the device
alarm output. At the same time, it can also be used as the
power input source of some devices such as alarm detector.
+12V power output port. It can provide power to some
peripheral devices such as camera and alarm device. Make
sure the power supply of peripheral device shall be below
1A.
8
MIC IN
Bidirectional talk input port. It is to receive analog audio
signal from devices such as microphone, sound pickup.
MIC OUT
Audio output port. It is to output analog audio signal to
devices such as sound box.
●
Bidirectional talk output.
●
Audio output on 1-window video monitor.
●
Audio output on 1-window video playback.
9 USB port
USB3.0 port. Connect to devices such as mouse, USB storage
device and USB burner.
10 Network port
10M/100M/1000Mbps self-adaptive Ethernet port. Connect
to the network cable.
11 Power input port Input power of 100V-240V and 50Hz-60Hz.
12 GND.
2.2.26 NVR52-16P-I/NVR52-16P-I/L/NVR52-8P-I/NVR52-8P-
I/L/NVR42-16P-I Series
These figures are for reference only. The actual product shall prevail.
The NVR52-16P-I/NVR52-16P-I/L series rear panel is shown as below.