AGI Security SYS-HC0851S2 User Manual
Page 42

33
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
