Dahua NVR2104-I2, User Manual

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Name Function
1–4 Alarm input port 1–4
●
There are two types; NO (normal open)/NC
(normal close).
●
When your alarm input device is using external
power, please make sure the device and the NVR
have the same ground.
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.
Network port
10/100/1000 Mbps self-adaptive Ethernet port.
Connect to the network cable.
USB port
USB port. Connect to mouse, USB storage device,
USB burner and more.
RS-232 RS-232 debug COM
It is for general COM debug to configure IP address
or transfer transparent COM data.
HDMI
High Definition
Media Page
High definition audio and video signal output port.
It transmits uncompressed high definition video and
multiple-channel data to the HDMI port of the
display device. HDMI version is 1.4.
VGA
VGA video output
port
VGA video output port. Output analog video signal.
It can connect to the monitor to view analog video.
PoE PORTS /
Built-in Switch. Support PoE.
For PoE series product, you can use this port to
provide power to the network camera.
2.2.8 NVR44-4KS2/NVR44-16P-4KS2/NVR44-4KS2/L/
NVR44-16P-4KS2/L/NVR44-4KS2/I/NVR44-16P-4KS2/I/NVR48-EI/
NVR44-EI/NVR48-16P-EI/NVR44-16P-EI Series
The NVR44-4KS2/NVR44-4KS2/L/NVR44-4KS2/I/NVR48-EI/NVR44-EI series rear panel is shown as
below.
User's Manual
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