Solution
Step 1 Push the locking latch towards the left.
Step 2 Draw the handle outwards to remove the SMU, as shown in below Figure.
Step 3 Insert a new SMU into the slot, push the locking latch towards the left, and pull out the
handle.
Step 4 Slide the new SMU into the subrack along the guide rail, and then push the locking latch
towards the right.
Step 5 Reset SMU parameters.