Port Name
Function
MIC OUT
Audio output
port
Audio output port. It is to output the analog
audio signal to the devices such as the sound
box.
Bidirectional talk output.
Audio output on 1-window video monitor.
Audio output on 1-window video
playback.
2.2.3
DNA3500 Series
The DNA3500 series rear panel is shown as below. See Figure 2-5.
Figure 2-5
Please refer to the following sheet for detailed information.
Port Name
Function
Power button
/
Power on/off button.
Power input
port
/
Input AC 220V power.
MIC IN
Audio input
port
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices
such as mike phone, pickup.
MIC OUT
Audio output
port
Audio output port. It is to output the analog
audio signal to the devices such as the sound
box.
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 user alarm input device is using
external power, please make sure the
device and the NVR have the same
ground.
Ground end
Alarm input ground end.
NO1 to NO5
5-ch alarm
output port
5 groups of alarm output ports. (Group 1
：
port NO1
～
C1,Group 2:port NO2
～
Summary of Contents for DNA2000 Series
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Page 160: ...Figure 7 81 Figure 7 82 Please refer to the following sheet for detailed information...