344 Upgrade and Maintenance Manual TX2550 M4
Expansion cards and backup units
9.7.3.3 Installing the new FBU
Ê Install the FBU in the holder and connect the FBU cable to the FBU, see
section "Preparing the FBU02 (EP4x0i)" on page 335 or "Preparing the
FBU345 (EP5x0i)" on page 336.
Ê Install the FBU with the holder, see section "Installing the FBU" on page 337.
9.7.3.4 Concluding steps
Ê "Reassembling" on page 68
Ê "Connecting the power cord" on page 81
Ê "Switching on the server" on page 82
I The recalibration of the FBU starts automatically, and finishes within a
few minutes.