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No. Port Name Function
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).
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.
4 Power button Turns on/o the NVR.
5
GND.
6 USB port
USB 3.0 port. Connect to devices such as mouse, USB storage
device and USB burner.
7 MIC IN
Bidirectional talk input port. It is to receive analog audio signal
from devices such as microphone, sound pickup.
8 VGA port
VGA video output port. Output analog video signal. It can
connect to the monitor to view analog video.
9 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.
10 Power input port Input power of 100-240 V and 50-60 Hz.
2.2.24 NVR58-I/NVR58-I/L/NVR48-I Series
●
The gure takes NVR58-I/NVR58-I/L/NVR4832-I series as examples.
●
The gure is for reference only.
User's Manual
57
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