Extreme Networks 7720 Installation Manual page 69

Remove and Replace Components
Figure 27: Installing an 800 W AC Power Supply
7. Push the power supply in until the latch snaps into place.
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.
9. If the power supply is equipped with a power cord retainer, use the retainer to
secure the power cord to the power supply.
Note
If power supplies are not installed in both power supply bays, be sure to
install a cover over the unoccupied bay. Unoccupied bays must always be
covered to maintain proper system ventilation and EMI levels.
Warning
Always make sure that the source outlet is properly grounded before
plugging the AC power cord into the AC power supply.
Replace an 800 W Internal AC Power Supply
Extreme 7720 Hardware Installation Guide 69