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No. Port Name Function
8 HDMI port
High denition audio and video signal output port. It
transmits uncompressed high denition video and multiple-
channel audio data to displays with HDMI port.
9
Alarm input port (1-4)
●
They receive signals from external alarm source. Alarm
input includes two types; NO (normal open) and NC
(normal close).
●
When your alarm input device is using external power,
make sure the device and the NVR have the same GND.
GND. Alarm input ground port.
NO C One NO activation output group. (On-o button).
CTRL
Controllable power supply output. Control the
output of the on-o button alarm relay. It controls
the alarm device with the presence or absence of
voltage. It can also be used as power input for
some alarm devices such as alarm detectors.
The two
ports
serve as
another
group of
alarm
output
ports.
P
Power output port. It can provide power to some
peripheral devices such as camera and alarm
device. Make sure the power supply of peripheral
device shall be below 1 A.
2.2.23 NVR4216-I Series
The gure is for reference only.
Figure 2-81 Rear panel
Table 2-38 Ports
No. Port Name Function
1 Network port
10/100/1000 Mbps self-adaptive Ethernet port. Connect to the
network cable.
2 MIC OUT
Audio output port. It is to output analog audio signal to devices
such as sound box.
●
Bidirectional talk output.
●
Audio output on 1-window video monitor.
●
Audio output on 1-window video playback.
User's Manual
56
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