Caution
If you do not install a module or a power supply in a slot, you must keep the
slot ller panel in place. If you run the chassis with an uncovered slot, the
system will overheat.
800 W AC Power Supply
Two 800 W AC power supply options, with front-to-back or back-to-front airow, are
supported on the switch.
• 800W AC power supply - front-to-back airow (part no. XN-ACPWR-800W-F)
• 800W AC power supply - back-to-front airow (part no. XN-ACPWR-800W-R)
Note
AC power input cords are not provided with AC power supplies. You can order
an appropriate cord from Extreme Networks or from your local supplier. The
power cord must meet the requirements listed in Power Cord Requirements
for AC-Powered Switches and AC Power Supplies on page 88.
For information on installing or replacing an AC power supply, see Replace Internal
Power Supplies on page 67.
LEDs on the 800 W AC power supply provide information on the unit's operational
status. See 800 W AC Power Supply LEDs on page 79 for details.
800 W DC Power Supply
Two 800 W DC power supply options, with front-to-back or back-to-front airow, are
supported on the switch.
• 800W DC power supply - front-to-back airow (part no. XN-DCPWR-800W-F)
• 800W DC power supply - back-to-front airow (part no. XN-DCPWR-800W-R)
Note
DC power input cords are provided with DC power supplies.
For information on installing or replacing a DC power supply, see Replace Internal
Power Supplies on page 67.
LEDs on the 800 W DC power supply provide information on the unit's operational
status. See 800 W DC Power Supply LEDs on page 79 for details.
Power Supplies for Use with Your Switch 800 W AC Power Supply
Extreme 7720 Hardware Installation Guide 19