Dahua NVR52-4KS2 Series User Manual page 38

No. Name
1 Front panel lock
2 USB port
3 Network indicator light
4 Alarm indicator light
System HDD indicator
5
light
6 Power button
You can see there are 24 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, 17-20, 21-24.
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. In addition to flashing blue light, read-write operation lights of some models of
devices further include the following states. Please refer to the actual device.
Stead red: HDD failure (HDD error).
Flash red: HDD is in a RAID rebuild state.
Red intermittent flashing twice: HDD is in a predicted fault state (including a HDD warning).
Blue and red flashing alternately: HDD is in a positioned state.
Table 2-16 Icons
Function
—
—
The blue network indicator light is on after you
connected the device to the network.
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.
The blue light becomes on after system booted up
properly.
In the system HDD, there are device important
configuration file, factory default configuration file,
and device initial boot up data.
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.
22
User's Manual