Dahua L Series User Manual

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Port Name
Connection
Function
Power input port
Power socket
 For NVR21-S2/21-4KS2, input DC 12V/2A.
 For NVR21-P-S2/1A-4P/21-P-4KS2,input DC
48V/1.25A.
 For NVR21-8P-S2/1A-8P/21-8P-4KS2,input DC
48V/2A.
Network port
10M/100Mbps self-adaptive Ethernet port. Connect to the
network cable.
USB port
USB port. Connect to mouse, USB storage device and
etc.
HDMI
High Definition
Media Interface
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.
VGA
VGA video output
port
VGA video output port. Output analog video signal. It can
connect to the monitor to view analog video.
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.
GND
Ground end
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.
2.2.3 NVR41H/41H-P/41H-8P Series
The NVR41H rear panel is shown as in Figure 2-20.
Figure 2-20
The NVR41H-P rear panel is shown as in Figure 2-21.

Dahua L Series Specifications

General

Brand	Dahua
Model	L Series
Category	Network Hardware
Language	English