Dahua DH-HCVR5424L-S2 - Page 55

HDCVI Standalone DVR User’s Manual
45
SN
Icon
Name
Function
up.
2
MIC OUT
Bidirectional talk output
port
Output bidirectional talk
analog signal to sound box
and etc.
 Bidirectional talk output.
 Audio output of
single-window monitor
mode.
 Audio output of
single-window playback
mode.
3
VIDEO OUT
Video output port
Connect to output devices
such as TV.
4
AUDIO OUT
Audio output port
Connect to sound box and
etc to output audio signal.
5
AUDIO IN
Audio input port
Connect to microphone and
etc to input audio signal.
6
VIDEO IN
Video input port
Connect to analog camera to
input video signal.
7
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 port9 to
port 12, the fourth group
is from port13 to port 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.