Security Camera King DVR-CVI8240M User Manual page 47

Please refer to the following sheet for detailed information.
SN Icon
1
2
3 AUDIO IN
4 AUDIO OUT
5 VIDEO OUT
6 VIDEO IN
7 1～16
NO1～NO6
C1～C6
NC5
Figure 2-6
Name
GND
Power input port
Audio input port
Audio output port
Video output port
Video input port
Alarm input port
1～16
Alarm output port
1～6
Function
Ground port
Power input socket.
Connect to microphone and etc to
input signal.
Connect to sound box and etc to
output audio signal.
Connect to output devices such as
TV.
Connect to analog camera, video
input signal.

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
C2,Group 3:port NO3 ～ C3,
Group 4： port NO4～C4, Group
5: port NO5, C5, NC5, Group 6:
port NO6, C6, NC6).Output
alarm signal to the alarm
device. Please make sure there
is power to the external alarm
NO2 ～
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