No. Port Name Function
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.
2.2.24 NVR4216-I Series
The gure is for reference only.
Figure 2-96 Rear panel
Table 2-40 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.
3
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).
User's Manual
62
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