Installation, Maintenance, and Upgrade
• Remove and Replace the Supervisor, on page 1
• Install, Remove, and Replace the Security Module, on page 3
• Remove and Replace the SSD, on page 6
• Install, Remove, and Replace the Single-Wide Network Module, on page 8
• Install, Remove, and Replace the Double-Wide Network Module, on page 13
• Remove and Replace the Power Supply Module, on page 17
• Connect the DC Power Supply Module, on page 22
• Connect the HVDC Power Supply Module, on page 25
• Remove and Replace the Fan Module, on page 29
• Install the FIPS Opacity Shield, on page 32
Remove and Replace the Supervisor
You can remove the Firepower 9300 Supervisor while the system is powered on without damage to the
Supervisor hardware or system. However, because the supervisor is controlling the entire chassis, including
the power system, we recommend that you use the power switch on the rear panel of the chassis to put the
system in standby mode. See Supervisor for more information about the Supervisor.
Safety Warnings
Take note of the following component replacement safety warnings:
Statement 1028—More Than One Power Supply
This unit might have more than one power supply connection. To reduce risk of electric shock,
remove all connections to de-energize the unit.
Warning
Installation, Maintenance, and Upgrade
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