2
1
3
4
5
6
8
9 10 11 12
14 15 16
13
7
No.
Description
No
.
Description
1
RS485 A
9
ALARM IN1
2
RS485 B
10
GND
3
GND
11
ALARM IN2
4
GND
12
GND
5
ALARM OUT1
13
ALARM IN3
6
GND
14
GND
7
ALARM OUT2
15
ALARM IN4
8
GND
16
GND
[Alarm Input Port and Extension Port]
6
Installing the Device
1 Installing an HDD
You are advised to install an HDD before using the device. If you do not install an HDD:
You cannot use the recording function.
When the device starts operating and detects that no HDD is installed, the beeper will go off
and an alarm will be generated. To clear the alarm, on the OSD of the device, choose
Settings
>
System
>
Exception
and deselect "
Sound Alert
" for "
No HDD
".
To install an HDD:
Get ready an HDD.
You are advised to use a recommended HDD. Contact your system administrator for the list
of recommended HDDs.
Use a screwdriver to remove the four screws on the HDD.
1.
2.