The following table contains the minimum software versions that are required on the 5420 Series switches for the listed power supply units.
| Model Number | Switch Engine min SW Version | Fabric Engine min SW Version |
|---|---|---|
| XN-ACPWR-150W-FB | 31.5.1.6 | 8.4.3.0 |
| XN-ACPWR-600W-FB | 31.5.1.6 | 8.4.3.0 |
| XN-ACPWR-1200W-FB | 32.4.1.10 and 31.7.2.28 | 8.10 |
| XN-ACPWR-2000W-FB-A | 31.5.1.6 | 8.4.3.0 |
Previous software versions do not support these power supply units. You must upgrade the 5420 Series switches to the listed minimum software version or later before installing these power supply units in the switch.