4. Carefully slide the power supply the rest of the way out of the switch.
Caution
Power supplies can become very hot during operation. Wear thermal protective gloves
when you remove a power supply from an operating switch.
Note
If you are not installing a replacement power supply, install a cover over the unoccupied
power supply bay. Unoccupied bays must always be covered to maintain proper system
ventilation and EMI levels.
5. Verify that the replacement power supply is oriented the same way as the unit you removed, and has
the same airflow direction.
6. Carefully slide the power supply all the way into the power supply bay.
See Figure 55.
Figure 55: Installing a 600 W, 920 W, 1200 W, or 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.
Replacing a 600 W, 920 W, 1200 W, or 2000 W AC PoE
Power Supply Replacing AC Power Supplies
90 ExtremeSwitching 5420 Series Hardware Installation Guide
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