Remove And Replace The Fan Module - Cisco Firepower 9300 Hardware Installation Manual

Remove and Replace the Fan Module

Figure 53: HVDC Power Feeds
1 Power feed for PSU-2
Step 5 Set the HVDC disconnect switch in the circuit to ON.
In a system with multiple power supplies, connect each power supply to a separate HVDC power source. In
Caution
the event of a power source failure, if the second source is still available, it can maintain system operation.
Step 6 Verify power supply operation by checking the power supply LED on the front of the chassis.
See Power Supply Modules, on page 24

Remove and Replace the Fan Module

You can remove and replace fan modules while the system is running. The airflow moves from front to back.
See Fan Modules, on page 26
Cisco Firepower 9300 Hardware Installation Guide
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2
for the LED values.
for more information about the fan module.
Maintenance and Upgrade
Power feed for PSU-1