Depends on the BEC you are connecting to the servo rail. If you like to run servo's you need to connect a BEC/5V supply to the servo rail input. The FMUK66 is not supplying power to the servo-rail.
Depends on the BEC you are connecting to the servo rail. If you like to run servo's you need to connect a BEC/5V supply to the servo rail input. The FMUK66 is not supplying power to the servo-rail.