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CHAPTER
4-1
Cisco ASA 5505 Adaptive Security Appliance Hardware Installation Guide
OL-18362-01
4
Maintenance and Upgrade Procedures
This chapter describes how to install the chassis on the wall or rack, remove and replace the chassis
cover, the power supply, and the CompactFlash. This chapter includes the following sections:
Removing and Replacing the Chassis Cover, page 4-1
Replacing the Lithium Battery, page 4-3
Installing and Replacing the SSC, page 4-4
Upgrading Memory, page 4-6
Removing and Replacing the Chassis Cover
This section describes how to remove and replace the chassis cover. This section includes the following
topics:
Working in an ESD Environment, page 4-1
Removing the Chassis Cover, page 4-2
Replacing the Chassis Cover, page 4-3
Working in an ESD Environment
Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. ESD damage occurs
when electronic components are improperly handled and can result in complete or intermittent failures.
Always follow ESD-prevention procedures when you remove and replace components. Ensure that the
chassis is electrically connected to earth ground. Wear an ESD-preventive wrist strap, ensuring that it
makes good skin contact. Connect the grounding clip to an unpainted surface of the chassis frame to
safely ground unwanted ESD voltages. To guard against ESD damage and shocks, the wrist strap and
cord must operate properly. If no wrist strap is available, ground yourself by touching the metal part of
the chassis.s