A-2
Cisco Firepower Management Center 750, 1500, 2000, 3500, and 4000 Hardware Installation Guide
Appendix A Replacing a RAID Battery Backup Unit Assembly on the Firepower Management Center 3500
Safety Warnings
safely ground unwanted ESD voltages. To guard against ESD damage and shocks, the wrist strap and
cord must operate properly. If no wrist strap is available, ground yourself by touching the metal part of
the chassis.
Caution
For the safety of your equipment, periodically check the resistance value of the anti-static strap. It should
be between 1 and 10 megohms (Mohm).
Safety Warnings
This section contains important safety warnings for the installation and use of the appliance.
Warning
Before working on a system that has an On/Off switch, turn OFF the power and unplug the power
cord. Statement 1
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this
equipment. Statement 1030
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment
in the absence of a suitably installed ground conductor. Contact the appropriate electrical
inspection authority or an electrician if you are uncertain that suitable grounding is available.
Statement 1024
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
Warning
Read the installation instructions before connecting the system to the power source. Statement
1004
Warning
Ultimate disposal of this product should be handled according to all national laws and
regulations. Statement 1040
Preparing to Replace the BBU
Tools You Supply
You must provide a #2 Phillips screwdriver and a razor knife to replace the BBU.