Dahua HCVR5104C User Manual page 282

SN Icon
1 AUDIO OUT
2 VIDEO OUT
3 MIC IN
4 MIC OUT
5 AUDIO IN
1～16
NO1～NO5
6
C1～C5
NC5
A
Name
Audio output port
Video output port
Audio input port
Audio output port
Audio input port
Alarm input port 1～
16
Alarm output port
1～5
RS-485
communication port
Note
Audio output port. It is to output the
analog audio signal to the devices
such as the sound box.
Connect to video output devices
such as TV.
Bidirectional talk input port. It is to
receive the analog audio signal
output from the devices such as
microphone, pickup.
Audio output port. It is to output the
analog audio signal to the devices
such as the sound box.
It is to receive the analog audio
signal output from the devices such
as microphone.
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.
266