Users Manual Part 1

45
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-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.
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/off 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. Outp
ut analog video signal. It can
connect to the monitor to view analog video.
9
HDMI port
High definition audio and video signal output port. It
transmits uncompressed high definition video and
multiple
-channel audio data to displays with HDMI port.
10
Power input port
Input power of 100V
-240V and 50Hz-60Hz.