Installation Guide

Power Supplies for Use with Your Switch
350 W AC Power Supplies on page 22
715 W AC Power Supplies on page 23
1100 W AC Power Supplies on page 23
2000 W AC Power Supply on page 23
Each 5520 Series switch runs with two replaceable internal power supply units that provide all of the
power needed for the switch to operate. You can remove one power supply without interrupting the
switch's operation.
Power supplies are ordered separately.
For more information, see the following topics:
• 350 W AC Power Supplies on page 22
• 715 W AC Power Supplies on page 23
• 1100 W AC Power Supplies on page 23
• 2000 W AC Power Supply on page 23
350 W AC Power Supplies
The 350 W AC PSU-FB (models XN-ACPWR-350W-FB and 10953 with front-to-back ventilation airflow)
is compatible with 5520-24T, 5520-24X, 5520-48T, and 5520-48SE switch models.
The 350 W AC power supply has a keyed power inlet (C13).
The 350 W AC power supply has the status LEDs listed in Table 5.
Table 5: 350 W AC Power Supply LED Status Indications
IN_OK
(Green)
OUT_OK
(Green or Red)
Description
O O No AC input power connection or low AC voltage
On O AC input good; output disabled
On (Red) On AC input good; output fault
On (Green) On AC input good; output good
22 ExtremeSwitching 5520 Series Hardware Installation Guide