User's Manual
16
Table 2-14 Icons
No. Name Function
1 Power button
Press it once to turn on the device.
Press it for a long time to turn off the device.
We do not recommend you turn off the Device in this
way.
Press power button for a long time or pull out the power
cable might result in device auto restart.
2
System HDD
Indicator light
The blue light becomes on after system booted up
properly.
In the system HDD, there are device important
configuration file, factory default configuration file,
device initial boot up data.
3
Alarm indicator
light
The alarm indicator light becomes on once an alarm
occurred. It becomes on via the software detection. The
indicator light becomes on when there is a local alarm.
4
Network indicator
light
The blue network indicator light is on after you
connected the device to the network.
5 USB port —
6 16 HDD slot —
After you remove the front panel, you can see there are 16 HDDs. From the left to the right and from
the top to the bottom, it ranges from 1~4, 5~8, 9~12, 13~16.
You can see there are two indicator lights on the HDD bracket.
●
The power indicator light is at the top. The light is yellow after you connected the device to the
power.
●
The read-write indicator light is at the bottom. The blue light flashes when system is reading or
writing the data.
Figure 2-24 Front panel
2.2 Rear Panel
2.2.1 NVR21-4KS2/NVR21-P-4KS2/NVR21-8P-4KS2 Series
The NVR21-4KS2 is shown as below.
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