No. Port Name Function
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).
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.
2.2.25 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
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