No serial communication, TX LED on signal converter is solid red; Loose cable

Potential Symptoms

  • Galaxy has no communication.
  • TX light on Signal Converter or J-box is solid red.
  • Unable to remove old messages from display.
  • Unable to get status in Venus.

Environment

  • Product Family: Message Displays
  • Product: Galaxy, GalaxyPro (AF-3700)
  • Component: Serial Communication RS-232/RS-422, Serial Fiber, Serial Radio
  • Control System: Venus 1500 v3 or v4

Cause

  • Serial DB9 cable connection on Signal Converter or J-box loose or unplugged.

Resolution

  • Reseat Serial cable so it is securely connected on Signal Converter or J-box.

KB ID: DD1998586


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