Cisco Catalyst 9400 Series Hardware Installation Manual page 122

Removing a DC-Input Power Supply Module from the Chassis
2 Location of the nut on the side when the release
latch has been pulled
Step 2
Grasp the terminal block with one hand and place your other hand underneath as you slide the power supply
module out of the bay.
Step 3
Install another power supply module. If you are not going to install another module, you must install a blank
cover (C9400-PWR-BLANK) to maintain proper airflow through the chassis.
Caution
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
116
Do not leave any power supply slot open for any amount of time while the system is powered up.
Prior to inserting a new power supply unit, for instance, when you are replacing a unit, ensure there
are no foreign, conductive, or other objects, or debris in the slot.
Removing and Replacing FRUs
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