The 1100 W AC PSU-FB (models XN-ACPWR-1100W-FB and 10941 with front-to-back ventilation airflow) are compatible with 5520-24W, 5520-12MW-36W, and 5520-48W switch models.
The 1100 W AC power supply has a keyed power inlet (C16) that requires a notched (C15) power cord.
The 1100 W AC power supply has the status LEDs listed in the following table:
| IN_OK (Green) | OUT_OK (Green or Red) | Description |
|---|---|---|
| Off | Off | No AC input power connection or low AC voltage. |
| On | Off | AC input good, 54V output disabled. |
| On | (Red) On | AC input good, output (54V) fault. |
| On | (Green) On | AC input good, DC outputs in spec. |