5. Push the latching tab toward the power supply handle and pull outward on the handle to disengage
the power supply internal connectors.
See Figure 292.
Figure 292: Removing a Summit 450 W or 550 W Power Supply
6. Carefully slide the power supply the rest of the way out of the switch.
7. If a replacement power supply will not be installed, install a cover over the unoccupied power supply
bay.
Note
Unoccupied power supply bays must always be covered to maintain proper system
ventilation and EMI levels.
Installing a Replacement 450 W or 550 W DC Power Supply
To install a replacement 450 W or 550 W DC power supply, follow these steps:
1. Verify that the replacement power supply is oriented the same as the unit you removed and that it
has the same airflow direction as the switch.
2. Carefully slide the power supply all the way into the power supply bay.
See Figure 293.
Figure 293: Installing a 450 W or 550 W DC Power Supply
Replacing DC Power Supplies
Installing a Replacement 450 W or 550 W DC Power
Supply
ExtremeSwitching Hardware Installation Guide 353
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