Dahua NVR21-4KS3 Series, User Manual

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User's Manual
65
No. Port Name Function
P
+12 V 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.
The
two
ports
serve
as
anoth
er
group
of
alarm
outpu
t
ports.
5 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.
6 USB port
USB 3.0 port. Connect to devices such as mouse, USB storage
device and USB burner.
7 Network port
10/100/1000 Mbps self-adaptive Ethernet port. Connect to the
network cable.
8
MIC IN
Bidirectional talk input port. It is to receive analog audio signal
from devices such as microphone, sound pickup.
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.
9 VGA port
VGA video output port. Output analog video signal. It can
connect to the monitor to view analog video.
10 RS-232 port
It is for general COM debugging to configure IP address and
transfer transparent COM data.
11 GND.
2.2.27 NVR608-4KS2/NVR608H-XI/NVR608RH-XI Series
The NVR608-32-4KS2 series rear panel is shown as below.