System information

108
2.3 Rear Panel
N°
CONNECTOR
FUNCTION
1
Ground
Connect to the ground. The Internal PCB may be connected to
ground (earth) for several reasons (exposed metal parts are
connected to ground to prevent contact with a dangerous voltage).
2
FAN *
FAN, Prevent your DVR from overheating. Please don't cover for any
reason this fan.
3
Sensors*
Connect the sensor wires to the sensor slots labeled as “SENSOR”
and numbered 1~4(8) with a common ground “G” on the DVR. This
device often used with a security camera at the monitoring space.
Sensor ports (marked “1~4/8”) and a common ground (marked
“G”).
4
Alarm*
Connect the alarm indicator to the alarm slots labeled as “ALARM”
on the DVR. This supports alarm that can be triggered when an
event has occurred. Alarm port (Alarm 1+ and Alarm 1-)
5
AC/DC In
Connect power supply - DC12V@3A or DC12V@5A.
6
RS-485
RS485 interface. RS-485 connector (typically for PTZ cameras and
keyboards)
 A=+
 B=-
 G=Ground
7
Ethernet
Connect LAN, Ethernet (RJ45)
8
VGA
Connect to VGA monitor. These devices can support from 800*600
up to 1440*900. VGA output (DB-9) port for the LCD monitor
9
Output audio
Connect to a speaker (RCA)
10
Output video
Connect monitor output (BNC)
11
Input video
Connect 4/8 CH1 video input device（BNC）
12
Input audio
Connect 4CH/8CH audio input (RCA）
USB Port**
Connect USB mouse.
USB Port**
Connect USB device (Flash Drive, Hard Drive and Recorder etc).