Spec for mamba405: https://ardupilot.org/plane/docs/common-mamba405-mk2.html
Spec for R-XSR: https://www.frsky-rc.com/wp-content/uploads/Downloads/Manual/R-XSR/R-XSR%20ACCST%20-Manual.pdf
Looking at the two specifications the R-XSR requires both a SBUS In and Out however the mamba405 only has one SBUS connection. Moreover, the mamba405 spec says it only supports "unidirectional protocols", does this mean I can just connect the SBUS out?
Thanks for any feedback