Nvr48/48-16P Series - Dahua NVR100 series User Manual

Name
NO1 ～ N O5
C1 ～ C 5
NC5
A
B
CTRL 12V
+12V
RS-232
VGA

2.2.10 NVR48/48-16P Series

The NVR48 series rear panel is shown as below. See Figure 2-33.
The NVR48-16P series rear panel is shown as below. See Figure 2-34.
Function
Ground Alarm input ground end.
Alarm output port
1 ～ 5
RS485_A port. It is the cable A. You can connect to
RS-485
the control devices such as speed dome PTZ.
communication
RS485_B.It is the cable B. You can connect to the
port
control devices such as speed dome PTZ.
/ Controller 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 the alarm detector.
+12V 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 1A.
RS232 debug It is for general COM debug to configure IP address
COM. or transfer transparent COM data.
VGA video output VGA video output port. Output analog video signal. It
port can connect to the monitor to view analog video.
Figure 2-33
5 groups of alarm output ports. (Group 1
NO1 ～ C 1,Group 2:port NO2
NO3 ～ C 3, Group 4 ： p ort NO4
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.
p ort
：
～ C 2,Group 3:port
～ C 4, Group 5:
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