Cisco cBR Series Hardware Installation Manual page 217

Maintaining the Supervisor in the Cisco cBR Chassis
Figure 133: Opening Spring-loaded Ejectors on the Supervisor Card
Step 3
Carefully slide the card out of its slot applying even pressure using both your hands.
Figure 134: Removing the Supervisor Card from the Chassis
Step 4 Grasp the faceplate of the card with one hand and place your other hand under the card to support its weight, and remove
the card from its slot.
Step 5 Place the removed Supervisor Card in an antistatic bag.
Removing the Supervisor Card from the Cisco cBR Chassis
Cisco Converged Broadband Routers Hardware Installation Guide
209