Users Manual Part 1

39
2.2.17 General 1U 16PoE AI NVR Series
The figure is for reference only.
Figure 2-59 Rear panel
Table 2-31 Ports
Port Name
Connection
Function
GND
Ground end.
MIC IN
Audio input port
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as microphone, pickup.
MIC OUT
Audio
output port
Audio output port. It is to output the analog audio
signal to the devices such as the sound box.
Bidirectional talk output.
Audio output on 1-window video monitor.
Audio output on 1-window video playback.
RS
-232
RS
-232 debug COM
It is
for general COM debug to configure IP
address or transfer transparent COM data.
Network port
10/100 Mbps self
-
adaptive Ethernet port. Connect
to the network cable.
USB port
USB port. Connect to mouse, USB storage device
and more.
VGA
VGA video outpu
t
port
VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
HDMI
High Definition
Media Interface
High definition audio and video signal output port.
It transmits uncompressed high definition video
and mult
iple-
channel data to the HDMI port of the
display device. HDMI version is 1.4.
NO1
Alarm output port
1 group of alarm output ports (port NO1–
C1).
Output alarm signal to the alarm device.
Please make sure there is power to the
external alarm device.
NO: Normal open alarm output port.
C: Alarm output public end.
C1
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.