Installing Or Replacing An Ac Power Supply - Cisco Catalyst 9300 Series Hardware Installation Manual

Installing a Power Supply
Warning
If a Cisco external power system is not connected to the switch, install the provided connector cover on the
back of the switch.
Statement 386

Installing or Replacing an AC Power Supply

Procedure
Step 1
Turn off the power at its source.
Step 2 Remove the power cord from the power cord retainer.
Step 3
Remove the power cord from the power connector.
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 32: 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.
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
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