AXP340 interface and configuration when connected to IFD

ADSB Out Configurations

IFD- RS232 out = ADSB(Avi)


  • Squat Switch Source - (If using WOW (Weight on Wheels from IFD540) Pseudo WOW; Low when ground (This will transition @ 30knts GPS ground speed)
  • GPS Position Source - Trig ADS-B; when connected to IFD540/440
  • GPS Line Speed - 9600Bps
  • System Certification Level - C (IFD is actually certified to level B, but since the AXP is only level C, it must be set to C)
  • GPS NACv - 10 meters per second
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  • 06-Feb-2019