How does redundancy work in the power supply for Pixhawk 2.1

Hardware Pixhawk family
1

Hi!

I’m new to the world of drones. I have a Pixhawk 2.1, and I’d like to understand how the redundancy for the power ports works. Do I need to configure anything in Mission Planner?

I’d greatly appreciate any advice.

2

If you need redundant supplies, connect the standard power brick to PowerA and another one or ordinary BEC (5volts) to PowerB.
The USB port is also listed as a redundant source of supply, but it’s not practical or reliable to use the USB port to power everything in flight.
The servo supply rail is monitored but not used as a power supply for the flight controller, as it was on the 3DR Pixhawks and clones.

This links to the Cube Orange doco, but the Cube Black is essentially the same