
SR4 Series User Manual
3
LED Indicators :
3. Hardware Requirements and Precautions
1. When connected to the computer system, it’s prohibited to remove, insert or swap the hard drive
while data transfer is being performed.
2. It’s prohibited to change the positioning of the drives once the initial installation has been
completed as the changes made to the drive positions may destroy the RAID formation.
3. The product needs to be restarted after adding or changing the RAID mode, and the update is
guaranteed to be the new RAID mode.
4. When the Notebook which support USB PD function is only connected to SR4-B31+/ SR4-BA31+,
SR4-B31+/SR4-BA31+ can provide up to 24W (12V/2A) power supply, but if then connected to
other power supply such like the original Notebook power supply, Notebook will automatically
judge which one will be the main power source, usually the one which can provide more Wattage
will be. At this time, SR4-B31+/SR4-BA31+ may be interrupted and re-identied by the Notebook.
Therefore, before connecting to other power supplies, please make sure that there are no data
accessed between Notebook and SR4-B31+/SR4-BA31+.
5. SR4-B31+/SR4-BA31+ can only provide 24W at most, which is different from the original
Notebook power supply. It mainly to extend the Notebook's usage time. Take Macbook Pro 13"
as an example, the original power supply is 60W, assuming it take 2 hours for it to fully charge
the battery , use SR4-B31+/SR4-BA31+ might need three times time. Therefore, if user need to
use Notebook for a long time, it is recommended to connect the original power supply rst before
connect SR4-B31+/SR4-BA31+.
6. Whenever turning off or unplugging the SR4 from your computer system becomes necessary,
always remember to safely remove it from your operating system rst.
7. It is highly recommended for users to back up important data contained within the SR4 unit on
a regular basis or whenever the user feels necessary to a remote or a separate storage device.
Stardom will not be responsible for any lost of data caused during the use of the unit or the
recovery of the data lost.
Status Power Touch Switch System status light HDD LED Buzzer
RAID JBOD RAID JBOD
Power Main
Switch is not on — — — — — — — —
Power O Red light always on — — — — — —
No HDD Blue light always on — — Red light ashing — —
Access Blue light always on — — Blue light ashing — —
Disk Idle Blue light always on — — Blue light always on — —
Rebuilding -
Source Blue light always on — — Blue light
ashing — — — —
Rebuilding -
Target Blue light always on — — Purple light
ashing — — — —
Fan Failed Blue light always on Red light always on Blue light always on YES
Over Temp Blue light always on Red light always on Blue light always on YES