For the JumboSwitch, the electrical power options include power supplies in a 2U or 4U chassis.
Additional questions?
The AC or DC power supply cards for the 2U chassis are hot-swappable and located adjacent to each other on the front right-side of the chassis. Power supply cards are dual load-sharing. A single card is sufficient to fully power the chassis.
Power supply cards are dual load-sharing and automatically switch over in the event of a power failure. A single card is sufficient to fully power the chassis.