Originally Posted by jvaliensi

David,
That worked.
I am using a R3 900 for the backup, I have it plugged into port 'A' of the Cortex. This seems okay, do others do it this way?
And Jeti still left the Rx1 & RX2 ports as very low amperage of the CB220? I though they would have fixed that. I'll add a jumper in any case.

Thank you!