Dahua HCVR5104C Series - Page 204

191
SN
Icon
Name
Note
1
Power switch
Power on/off button.
2
RS-232
RS-232 debug COM.
It is for general COM debug to
configure IP address or
transfer transparent COM
data.
3
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.