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Appendix A
Replacing a RAID Battery Backup Unit Assembly on the Firepower Management Center 3500
— Properties and settings
Verify that BBU8 is installed in the Battery Type field.
Step 6
Set the Bbu Mode option to 1.
Step 7
This sets the BBU charging mode to provide 12 hours of data retention in a power loss while providing
5 years of BBU life, assuming the BBU is kept below 45 degrees Celsius.
Click Go to save the settings.
Step 8
Click Home to return to the main RAID BIOS screen, then exit.
Step 9
Cisco Firepower Management Center 750, 1500, 2000, 3500, and 4000 Hardware Installation Guide
Monitoring the BBU
A-11
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