NT2 U3e Introduction
[2]
1.5 Detailed View
Front View Rear View
1.5.1 LED indication
LED
Status
•
Blue = Power on
HDD
A & B
•
Green = Status OK, connection to computer is established
•
OFF = Empty drive bay or connection is not yet established
•
Flashing Green = Data access (read/write)
•
Blinking slow (500ms on/off) = Drive failure (error)
•
Blinking fast (125ms on/off) = Rebuilding RAID 1 array
Note
In order to determine which type of blinking the LED indicates, stop transferring files to or from
the hard drives. The slow blinking will be slower and the fast blinking will be faster than the
usual flashing of the LED during data access.
1.5.2 RAID switch
DIP Switch
RAID Mode
Non-RAID
Switch position: 1 OFF, 2 OFF
RAID 0 - Striping
Switch position: 1 ON, 2 OFF
RAID 1 - Mirroring
Switch position: 1 OFF, 2 ON
Note
Except for the Non-RAID mode, two hard drives are required. After changing the RAID mode,
press the button above the RAID switch to confirm the new setting.
Changing the RAID mode
requires formatting the
drives. Make sure to
backup all existing data
first!
Fan
Confirm RAID mode
RAID switch
Kensington security slot
USB 3.0 port
Power switch
Power receptacle
eSATA port