Cisco cBR Series Hardware Installation Manual page 216

Removing the Supervisor Card from the Cisco cBR Chassis
• Be aware of the weight and size of the equipment. Handle it with care.
• Ensure that a replacement Supervisor Card or a blank card is readily available to replace the removed
Required Tools and Equipment
• ESD-preventive wrist strap
• 3/16" flat-blade screwdriver
• Antistatic bag
Step 1
Loosen the captive screws on the card using a 3/16" flat-blade torque screwdriver until the red bands are visible on the
captive screws.
Figure 132: Loosening the Captive Screws on the Chassis
Step 2 Pull the spring-loaded ejectors on the card until they release and are perpendicular to the faceplate. This disengages the
card from the chassis.
Cisco Converged Broadband Routers Hardware Installation Guide
208
Supervisor Card or blank card in an operational chassis.
Caution
After removing the Supervisor Card or blank card from an operational chassis,
install the replacement Supervisor Card or blank card in the chassis within 3
minutes to prevent the chassis from shutting down due to possible overheating
of some components.
Maintaining the Supervisor in the Cisco cBR Chassis