User's Manual
46
No. Port Name Function
NO C One NO activation output group. (On-off button).
CTRL
Controllable power supply output. Control
the output of the on-off 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 figure is for reference only.
Figure 2-68 Rear panel
Table 2-37 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-off button).
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