Dahua XVR4108C-S2 User Manual

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Icon
Name
Note
(normal close).
 When your alarm input device
is using external power, please
make sure the device and the
NVR have the same ground.
NO1～NO5
Alarm output port
1～5
 5 groups of alarm output ports.
(Group 1:port NO1～C1,Group
2:port NO2 ～ C2,Group 3:port
NO3～C3, Group 4:port NO4～
C4, Group 5: port NO5, C5,
NC5).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.

NC: Normal close alarm output
port.
C1～C5
NC5
A
RS-485
communication port
RS485_A port. It is the cable A. You
can connect to the control devices
such as speed dome PTZ.
B
RS485_B.It is the cable B. You can
connect to the control devices such
as speed dome PTZ.
T+、T-、R+、R-
Four-wire full-duplex
485 port
Four-wire full-duplex 485 port. T+,T-
is the output wire.
R+,R- is the input wire.
CTRL 12V
Control power output
Controller 12V power output. It is to
control the on-off alarm relay
output.
12V
+12V power output
port
+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.
G
Ground terminal
Ground
9
USB port
Connect to USB storage device,
mouse, burning DVD-ROM and etc.
10
eSATA
eSATA port
External SATA port. It can connect
to the device of the SATA port.
Please make sure there is power

Dahua XVR4108C-S2 Specifications

General

Brand	Dahua
Model	XVR4108C-S2
Category	DVR
Language	English