Unable to communicate to second DF-2053 daisy chained display

Potential Symptoms

  • Only able to communicate to the first display in the daisy chain.
  • Once display is only able to communicate with the software.
  • Addressing on the display dipswitches is correct.


  • Product Family: Transportation
  • Product: DF-2053 parking digit
  • Component:  Wiring


  •    Incorrect signal wiring between displays.


  • Rewire daisy chain between displays as listed:
    • RX+ -> TX+, RX- -> TX-, TX+ ->, RX+ TX-, -> RX-

KB ID: DD4179714

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