Cisco Catalyst 9600 Series Installation Note page 15

Figure 10: Pushing the Ejector Levers Inward
Make sure that you push the ejector levers slightly inward before you rotate the levers outward.
Warning
Failing to do so will deform the injector catch pins on the levers.
Step 4 Press the ejector buttons on the ejector levers of the line card to release the levers from the line card.
Step 5
Grasp the left and right ejector levers and simultaneously rotate the levers outward to disengage the line card
from the backplane connector.
Cisco Catalyst 9600 Series Line Card Installation Note
Removing a Line Card
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