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Cisco PIX Firewall Hardware Installation Guide
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Chapter 5 PIX 520
Removing and Replacing the PIX 520 Chassis Cover
Removing and Replacing the PIX 520 Chassis Cover
This section describes how to remove and replace the chassis cover from the PIX 520. This section
includes the following topics:
• Removing the Chassis Cover, page 5-10
• Replacing the Chassis Cover, page 5-11
Removing the Chassis Cover
Complete these steps to remove the chassis cover:
Note Removing the PIX Firewall case does not affect your Cisco warranty. Upgrading the PIX Firewall does
not require any special tools and does not create any radio frequency leaks.
Step 1 Read the Regulatory Compliance and Safety Information for the Cisco PIX Firewall document.
Step 2 Ensure that the PIX Firewall is powered off. Unplug the power cord from the power outlet. Once the
upgrade is complete, you can safely reconnect the power cord.
Warning
Before working on a system that has an On/Off switch, turn OFF the power and unplug the power cord.
Step 3 Remove the three screws holding the top panel in place, as shown in Figure 5-11.
Figure 5-11 Removing the Top Panel Screws
PIX Firewall
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Top panel screws (3)