User manual
FIBRE-to-SAS/SATA RAID SUBSYSTEM
User Manual
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2.7 Backup Battery Unit
An optional backup battery unit (BBU) can be installed in the RAID system. The
BBU protects data in write caching mode by providing power to the RAID
controller’s cache memory.
2.7.1 Backup Battery Unit Installation
1. Check the BBU if battery packs are in good condition and cables are well
connected.
2. Carefully insert the BBU into the appropriate slot of the RAID subsystem.
3. Verify in the proRAID Manager GUI -> Monitoring -> Enclosures -> Battery
Backup Units if the battery pack(s) is/are detected.
4. Check the LEDs of the BBU.
[1] LED for battery pack 1
[2] LED for battery pack 2
Charge/Full: If LED is Green, battery is 100% fully charged.
If LED is Amber, battery is charging.
Replace: If LED is Red, battery cannot charge more than 80% of its
capacity and need to be replaced.