Optional power supply module for EdgePower 54V 150W, which has a secondary PSU module bay.
The module is hot-swappable and may works as backup PSU or for increasing the DC output power to 300W.
The secondary PSU may be configured as a backup PSU.
In backup mode, the secondary PSU remains inactive and offline.
When failure of the primary PSU is detected, the secondary PSU automatically activates to supply continuous power.