Cisco PIX 501 Hardware Installation Manual page 102

Installing a DC Power Supply
Step 4 Disconnect the fan cable as shown in
Figure 6-27 Disconnecting the Fan Cable
Step 5 Remove the next fan and disconnect its cable.
Step 6 Remove the cables for the two remaining fans. Remove the last two fans.
Replace the fans, starting with the fan farthest away from the power supply. If the bezel is removed, make
Step 7
sure the fan farthest away from the power supply does not cover the bezel holes.
Note Make sure that the label on the fan faces the chassis wall to ensure proper airflow direction.
Step 8 Install cable clamps onto the fans by aligning cable clamp holes over fan mounting holes and pressing
rivets through both. (See
Cisco PIX Firewall Hardware Installation Guide
6-26
Depress tab
and pull outward
Fan connector
Power supply
remaining fan connectors
Figure 6-28.)
Figure 6-27, and set the fan aside.
Fan
Location of the three
Chapter 6 PIX 525
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