198 Upgrade and Maintenance Manual TX1320 M4
Expansion cards and backup units
9.5.1.2 Preparing the FBU
Figure 103: Installing the FBU in the holder (A)
Ê At a slight angle, fit the FBU under both retaining brackets of the holder.
Ê Push in the FBU until it locks in place.
Figure 104: Installing the FBU in the holder (B)
Ê Ensure that the FBU is properly seated in the holder as shown.