21
SN
Icon
Name
Note
4
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 9 to 12, and
the fourth group is from
13 to 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 DVR
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, 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.
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-wire full-duplex 485
port
Four-wire full-duplex 485 port.
T+
，
T- is the output wire.
R+
，
R- is the input wire.
CTRL 12V
Control power output
Controller 12V power output.
It is to control the on-off alarm
Summary of Contents for DVR-CVI series
Page 1: ...HDCVI Standalone DVR User s Manual V1 0 0...
Page 89: ...80 Figure 4 53 Figure 4 54 4 10 1 3 Encode...
Page 115: ...106 Figure 4 81 Figure 4 82 Figure 4 83...
Page 121: ...112 Figure 4 89 Figure 4 90...
Page 122: ...113 Figure 4 91 Figure 4 92...
Page 125: ...116 Figure 4 96 Figure 4 97...
Page 131: ...122 Figure 4 106 Figure 4 107 4 10 4 1 2 2Trigger Snapshot...
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