4.
Make sure the extractor handles are in the open position (rotated away
from the face plate), then push the module into the slot until you feel the
extractor handles contact the switch chassis. (The handles move slightly
upward when they contact the chassis.)
5.
Seat the module in the slot by simultaneously raising both extractor
handles to their full vertical position, and pressing them against the
module face plate. Note that the handles will remain a little loose until
you complete step 6.
Figure 3.
Extractor Handles in the Raised (Closed) Position
Installing the Module in an Unused Slot
Raise Extractor Handles and Tighten Screws
9