Galaxy showing ETH NO LINK on bootup, cause unknown

Potential Symptoms

  • Galaxy shows ETH NO LINK on boot up and cannot connect to display.
  • May be able to connect to display after repeatedly power cycling controller and the display will show an IP on boot up.
  • Able to connect to the Local Network through the fiber converters with a laptop directly connected to the media converter at the sign, and the display will consistently show an IP on boot up when directly connecting to the controller.


  • Product Family: Message Displays
  • Product: AF-3500, Galaxy
  • Component: M3 Controller 3.12.1, A-2826 Transitions Fiber media converters
  • Control System:


  • Unknown.


KB ID: DD3889827

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