Programming Software Top — Motorola Gm950

: Modern "RIB-less" USB-to-serial cables (e.g., MaxtonData RPC-MM-U) often work by integrating the converter circuit directly into the DB9 or USB plug. DIY Option : A custom cable can be built using a USB to TTL adapter

Pro tip: The GM950 is slow to program (baud rate 9600). If you get "Communication Error," slow down your PC’s CPU emulation or use DOSBox with appropriate cycle settings.

The fishing trawler owner would pay him €150 for this. It would take Marco two hours including documentation. The owner would be happy. The radio would live another ten years.