Before you begin
• In a Cisco cBR with 1+1 Supervisor redundancy, removing the active Supervisor Card or Supervisor
PIC results in switchover.
• In a Cisco cBR with 1+1 Supervisor redundancy, removing the standby Supervisor Card or Supervisor
PIC may result in limited packet loss in the active-active backhaul configuration.
• In a Cisco cBR without Supervisor redundancy, removing the Supervisor Card or Supervisor PIC results
in complete loss of service.
Caution
• Attach an ESD-preventive wrist strap to your wrist and connect the other end to the grounding lug
connected to the chassis.
• Disconnect all the cables from the Supervisor PIC.
• Be aware of the weight and size of the equipment. Handle it with care.
• Ensure that a replacement Supervisor PIC or a blank PIC is readily available to replace the removed
Supervisor PIC or blank PIC in an operational chassis.
After removing the Supervisor PIC or blank PIC from an operational chassis,
install the replacement Supervisor PIC or blank PIC in the chassis within 3 minutes
to prevent the chassis from shutting down due to possible overheating of some
components.
Caution
Restrictions
• The Supervisor Card does not power up if the Supervisor PIC is not present during powering up of the
chassis.
Required Tools and Equipment
• ESD-preventive wrist strap
• 3/16" flat-blade screwdriver
• Antistatic bag
Step 1 Loosen the four captive screws on the PIC using a 3/16" flat-blade screwdriver.
Step 2 Pull the ejector levers on the PIC to disengage the midplane connectors.
Cisco Converged Broadband Routers Hardware Installation Guide
205
Maintaining the Supervisor in the Cisco cBR Chassis
Removing the Supervisor PIC from the Cisco cBR Chassis
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