Cisco cBR Series Hardware Installation Guide

Figure 123: Closing the Tethered I/O Door on the Supervisor Card
—Tethered I/O door1
• 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
Supervisor Card or blank card in an operational chassis.
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.
Caution
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.
Cisco Converged Broadband Routers Hardware Installation Guide
200
Maintaining the Supervisor in the Cisco cBR Chassis
Removing the Supervisor Card from the Cisco cBR Chassis

Cisco cBR Series Specifications

General

Brand	Cisco
Model	cBR Series
Category	Network Router
Language	English