Unable to communicate, signal converter TX solid red; Bad serial cable
Potential Symptoms
- Unable to communicate to the display.
- Signal converter has a red TX LED lit solid.
- Loopback test passes out of DB9 connector of computer and/or USB to serial adapter but fails on DB25 end of serial cable (input to signal converter).
Environment
- Product Family: Message Displays
- Product: Galaxy
- Component: RS-422 communication, DB9 to DB25 serial cable
- Control System: Venus 1500 v3 or v4
Cause
- Failed serial cable.
Resolution
- Replace DB9 to DB25 serial cable between computer and signal converter.
KB ID: DD4161424
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