Jax, Stefan We verified that the whitening stage 1 of REFLAIR_A_RF45_I is indeed not switching on the analog side. We checked that the command bit (pin 25 / GND=pin 20) makes it to the board. Thus Jax will pull the board tomorrow and debug it.. Details: Rack: ISC R2 slot 32 S/N: S1101590 Assembly: D1002559 (board2)