Dahua NVR21-4KS3 Series, User Manual

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User's Manual
47
The figure is for reference only.
Figure 2-81 Rear panel
Figure 2-82 Rear panel
Table 2-30 Ports
Port Name Connection Function
GND Ground end.
USB port
USB port. Connect to mouse, USB storage device
and more.
HDMI
High Definition
Media Page
High definition audio and video signal output
port. It transmits uncompressed high definition
video and multiple-channel data to the HDMI port
of the display device. HDMI version is 1.4.
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.
VGA
VGA video output
port
VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
1–4 — —
— —
N1, N2 — —
C1, C2 — —
Network port
10/100 Mbps self-adaptive Ethernet port. Connect
to the network cable.
PoE PORTS PoE port
Built-in switch. Support PoE function.
For PoE series product, you can use this port to
provide power to the network camera.