5-11
Cisco PIX Firewall Hardware Installation Guide
78-15170-01
Chapter 5 PIX 520
Removing and Replacing the PIX 520 Chassis Cover
Step 4 Remove the top panel as shown in Figure 5-12.
Figure 5-12 Removing the Top Panel
Replacing the Chassis Cover
Caution Do not operate PIX Firewall units without the top panel installed. The top panel protects the internal
components, prevents electrical shorts, and provides proper air-flow for cooling the electronic
components.
Complete these steps to replace the chassis cover:
Step 1 Replace the top panel, as shown in Figure 5-13.
Step 2 Secure the three screws.
Step 3 Reinstall all interface cables.
Figure 5-13 Replacing the Top Panel
PIX Firewall
S
E
R
IE
S
RES
ET
10371
Pull lid 1 in. (50 mm)
back and then lift up
1 in.
PIX Firewall
S
E
R
IE
S
RE
SET
10380
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