Dahua DH-XVR4108C-X User Manual

The Grand Tour 24
No.
Port Name
Function
Alarm output port
1–5 (NO1–NO5;
C1–C5; NC5)
Five 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). These ports
output alarm signal to the alarm device. Please make sure
power supply to the external alarm device.
NO: Normally open alarm output port.

C: Alarm output public end.

NC: Normally closed alarm output port.

RS-485
communication port
Connects to the control devices such as speed dome PTZ.
RS-485_A port is connected by the cable A and RS-485_B is
connected to the cable B.
Four-wire
full-duplex RS-485
port (T+, T-, R+, R-)
Four-wire full-duplex 485 port. T+ and T- is the output wire; R+
and R- is the input wire.
Power output
control for alarm
(CTRL 12V)
Controls the 6
th
channel power output for alarm.
Turns off power output when there is alarm output.

Turns on power output when the alarm is cleared.

12V power output
port
Provides power to external devices such as camera and alarm
device. Please note the power supply shall be below 1A.
Ground.
10
Network port
Connects to Ethernet port.
12
VGA port
Outputs analog video data to the connected display with VGA
port.
13
HDMI port
High definition audio and video signal output port.
The port outputs the uncompressed high definition video and
multi-channel audio data to the connected display with HDMI
port.
14
RS-232 debug
COM
The port is used for general COM debug to configure IP address
or transfer transparent COM data.
15
USB port
Connects to the external devices such as keyboard, mouse, and
USB storage device.
16
eSATA port
External SATA port which connects to the device with SATA port.
Perform the jumper configuration when connecting HDD.
Table 3-17

Dahua DH-XVR4108C-X Specifications

General

Brand	Dahua
Model	DH-XVR4108C-X
Category	DVR
Language	English