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H
DCVI Standalone DVR User’s Manual
33
SN Icon Name Function
NO1
～
NO5
Alarm output port 1
～
5

5 groups of alarm output
ports. (Group 1
：
port
NO1
～
C1,Group 2:port
NO2
～
C2,Group 3:port
NO3
～
C3. 4:port NO4
～
C4. 5:port NO5
～
C5.).Output alarm signal
to the alarm device.
Please make sure there
is power to the external
alarm device.

NO
：
Normal open alarm
output port.

NC
：
Normal close alarm
output port.

C
：
Alarm output public
end.
C1
～
C5
NC5
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.
T+
、
T-
、
R+
、
R-
Four-cable full-duplex
485 port.
T+, T-: Send out cable.
R+, R-: Input cable.
CTRL 12V Control power output
Turn off power output when
the alarm is cancelled.
8 VGA
VGA video output port VGA video output port.
Output analog video signal. It
can connect to the monitor to
view analog video.
9 RS-232
RS232 debug port It is for general COM debug
to configure IP address or
transfer transparent COM
data.
10
USB2.0 port Connect to mouse, USB
storage media, USB-burner
and etc.
11
Network port 1000M Ethernet port