230 Upgrade and Maintenance Manual
RX2520 M4
Expansion cards and backup units
9.5.2.5 Concluding steps
Ê "Reassembling" on page 55
Ê "Connecting the power cord" on page 59
Ê "Switching on the server" on page 60
9.5.3 Replacing an FBU
V CAUTION!
●
Dispose of used battery properly. Keep away from children.
●
Do not throw flash backup units into the trash can. Batteries must be
disposed of in accordance with local regulations concerning special
waste.
9.5.3.1 Preliminary steps
Ê "Locating the defective server" on page 45
Ê "Shutting down the server" on page 48
Ê "Disconnecting the power cord" on page 49
Ê "Getting access to the component" on page 50
9.5.3.2 Removing the defective FBU
Ê Remove the FBU with the holder, see section "Removing the FBU with the
holder" on page 228.
Ê Disconnect the FBU cable from the FBU.
Ê Remove the FBU from the holder.
Upgrade and Repair Unit
(URU)
Hardware: 10 minutes
Tools: tool-less