Nvr50-Ei Series - Dahua NVR52-4KS2 Series User Manual

Icon
NO1–NO5
C1–C5
NC5
A
B
CTRL (CTRL 12 V)
P (+12 V)
RS-232
VGA
PoE PORTS

2.2.33 NVR50-EI Series

The NVR50-EI series rear panel is shown as below.
Name
Alarm output port 1–5
RS-485 communication port
—
—
RS-232 debug COM
VGA video output port
—
81
Function
5 groups of alarm output ports. (Group 1:
●
port NO1–C1, Group 2:port NO2–C2, Group
3: port NO3–C3, Group 4: port NO4–C4,
Group 5: port NO5, C5, NC5). 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.
●
NC: Normal close alarm output port.
●
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.
Controller 12 V 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 the alarm detector.
+12 V power output port. It
can provide the power to
some peripheral devices such
as the camera or the alarm
device. Please note the
supplying power shall be
below 1 A.
It is for general COM debug to configure IP
address or transfer transparent COM data.
VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
Built-in Switch. Support PoE or ePoE function.
For ePoE series product, port 1 to port 8 are the
ePoE ports. ePoE port supports 300
meters@100Mbps, 800 meters@10Mbps. Port 9
to port 16 are general PoE ports.
The 16 PoE series supports total 150W.
User's Manual
The two ports
serve as
another group
of alarm output
ports.