Cisco Catalyst 9300 Series Hardware Installation Manual page 83

Installing a Power Supply
Step 4
Press the release latch at the right side of the power supply module inward and slide the power supply out.
Caution
Warning
Step 5 Insert the new power supply into the power-supply slot, and gently push it into the slot. When correctly
inserted, the 350-W and 715-W power supplies (excluding the power cord retainer) are flush with the switch
rear panel. The 1100-W power-supply module extends 1.5 inches from the switch rear panel.
Figure 39: Inserting the AC-Power Supply in the Switch
Step 6 (Optional) Make a loop in the power cord and thread it through the power cord retainer.
Figure 40: AC-Power Supply with Power Cord Retainer
Step 7 Connect the power cord to the power supply and to an AC power outlet. Turn on the power at the power
source.
Step 8 Confirm that the power supply AC OK and PS OK LEDs are green.
Do not leave the power-supply slot open for more than 90 seconds while the switch is operating.
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit. Statement 1028
Cisco Catalyst 9300 Series Switches Hardware Installation Guide
Installing or Replacing an AC Power Supply
71