24
2
Front Panel and Rear Panel
2.1
Front Panel
2.1.1
21/21-P/21-S/31/31-P/31-S Series
The front panel is shown as in Figure 2-1.
Figure 2-1
Please refer to the following sheet for detailed information.
Icon
Name
Function
Power indicator light
The blue light becomes on when the power
connection is OK.
Network status indicator
light
The blue light becomes on when the network
connection is abnormal or offline.
HDD status indictor light
The red light becomes on when HDD is abnormal or
HDD space is below the threshold.
USB
USB port. Connect to USB storage device, mouse
burner and etc.
2.1.2
21H
Series
The front panel is shown as in Figure 2-2.
Figure 2-2
Please refer to the following sheet for detailed information.
Name
Icon
Function
Power button
Power button, press this button for three seconds to boot up
or shut down NVR.
