6. Carefully slide the power supply all the way into the power supply bay.
Figure 35: Installing an ExtremeSwitching 2000 W AC Power Supply
7. Push the power supply in until the latch snaps into place.
Caution
Do not slam the power supply into the switch.
8. Connect the power cord to the power supply and to a grounded AC power outlet.
Warning
Always be sure that the source outlet is properly grounded before plugging
the AC power cord into the AC power supply.
9. If the power supply is equipped with a power cord retainer, use the retainer to
secure the power cord to the power supply.
Replace Fan Modules
You can replace fan modules as needed while the switch is operating ("hot swapping").
All installed fan modules must blow air in the same direction and must match the
airow direction of the installed power supplies.
• If the switch's fan tray has a red tab, the airow is front-to-back. Use a fan module
labeled Air Out.
Note
The operating-system software cannot display the airow direction.
Before you begin, have the replacement fan module on hand so that you can complete
the replacement promptly. The switch can overheat if left without adequate cooling for
an extended time.
Replace Fan Modules Removing and Replacing Components
68 VSP 4900 Series Switches: Hardware Installation Guide
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