Dahua NVR21-S2 SERIES User Manual

94
Name
Function
+12V
/
+12V power output port. It can provide the power to
some peripheral devices such as the camera or the
alarm device. Please note the supplying power shall
be below 1A.
RS-232
RS232 debug
COM.
It is for general COM debug to configure IP address
or transfer transparent COM data.
VGA
VGA video output
port
VGA video output port. Output analog video signal. It
can connect to the monitor to view analog video.
PoE PORTS
/
Bult-in Switch. Support PoE or ePoE function.
 For ePoE series product, port 1 to port 8 are the
ePoE ports. ePoE port supports 300
meters@100Mbps, 800 meters@10Mbps. Port 9
to port 16 are general PoE ports.
 The 16 PoE series product supports total 150W.
2.2.11 NVR48/48-16P Series
The NVR48 series rear panel is shown as below. See Figure 2-48.
Figure 2-48
The NVR48-16P series rear panel is shown as below. See Figure 2-49.
Figure 2-49
Please refer to the following sheet for detailed information.
Name
Function
Power switch
/
Power on-off button
Power input
port
/
Input AC 100~240V.
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.

Dahua NVR21-S2 SERIES Specifications

General

Brand	Dahua
Model	NVR21-S2 SERIES
Category	Network Hardware
Language	English