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Cisco Intrusion Prevention System Appliance Hardware Installation Guide for IPS 7.1
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Chapter 3 Installing the IPS 4270-20
Installing and Removing Fans
Installing and Removing Fans
There are six fans in the IPS 4270-20. The IPS 4270-20 supports redundant hot-pluggable fans in a 5 + 1
configuration to provide proper airflow. Figure 3-12 shows the fan, its connector, and its indicator.
Figure 3-12 Fan, Connector, and Indicator
The fan indicators provide the following information:
• Green—Operating normally
• Amber—Failed
• Off— No power
To install and remove fans in the IPS 4270-20, follow these steps:
Step 1 Extend the server from the rack.
Step 2 Remove the chassis cover.
Step 3 Identify the failed fan by locating an amber indicator on top of the failed fan or a lighted FAN X indicator
on the Diagnostic Panel.
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