Fujitsu PRIMERGY RX2540 M7 Upgrade And Maintenance Manual page 324

Expansion cards and backup units
Installing the FBU in the FBU holder
Figure 188: Installing the FBU in the holder
▶ At a slight angle, fit the FBU under both retaining brackets of the FBU holder
as shown.
Notice the right position of the FBU cable:
OK
▶ Push in the FBU until it locks in place (1).
▶ Connect the FBU adapter cable to the FBU (2).
▶ If applicable, connect the FBU adapter cable to the corresponding RAID
controller.
324 Upgrade and Maintenance Manual RX2540 M7