Dahua HCVR5104C User Manual page 266

SN Icon
4 1～16
NO1～NO5
C1～C5
NC5
A
B
T+、T-、R+、R-
CTRL 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
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
source. There are two
types; NO
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.
5 groups of alarm output

ports. (Group
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
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
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.
Controller 12V power output.
It is to control the on-off alarm
relay output.
alarm
(normal
1:port
make
as
250