Cisco Firepower 9300 Installation & Maintenance - Page 29

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Installation, Maintenance, and Upgrade

Figure 11: HVDC Power Feeds

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

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

for the LED values.

for more information about the fan module.

Remove and Replace the Fan Module

Power feed for PSU-1

Installation, Maintenance, and Upgrade