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SN
Icon
1～16
NO1～NO5
C1～C5
NC5
6
A
B
T+、T-、R+、R-
CTRL 12V
12V
Name
Alarm input port 1～
16
Alarm
output
port
1～5
RS-485
communication port
Four-wire full-duplex
485 port
Control power output Controller 12V power output. It is to
+12V power output
port
Note
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
NVR have the same ground.
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.
Four-wire full-duplex 485 port. T+,T-
is the output wire.
R+,R- is the input wire.
control
the
on-off
output.
+12V power output port. It can
provide
the
power
peripheral devices such as the
camera or the alarm device. Please
note the supplying power shall be
below 1A.
alarm
relay
to
some
258
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