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H
DCVI Standalone DVR User’s Manual
25
SN Icon Name Function
9 VIDEO IN
Video input
port
Connect to analog camera, video input signal.
10
1
～
16
Alarm input
port 1
～
16

There are four groups. The first group is from port 1
to port 4, the second group is from port 5 to port 8,
the third group is from port9 to port 12, the fourth
group is from port13 to port 16. They are to receive
the signal from the external alarm source. 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.
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
RS485
communicatio
n 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.
11
Network port 1000M Ethernet port
12 VGA
VGA video
output port
VGA video output port. Output analog video signal. It can
connect to the monitor to view analog video.
13 HDMI1
High definition
media
interface 1
High definition audio and video signal output port. It
transmits the same video signal as the VGA/TV.
Support mouse operation.
14 HDMI2
High definition
media
interface 2
HD video matrix output. Support zero-channel encoding
matrix output. Support tour.