Some early ERP systems used undocumented encapsulation. Rscap’s simple hex-view output is sometimes easier to parse with legacy scripts than modern dissectors.
While version 1.10 was the standard for years, many users have migrated to Rscap 2.10 Rscap 1.10 Software Download
The software is no longer maintained. The forums are silent. The original developers have moved on. But the packets on that old copper wire still need to be seen. And for that job, nothing does it quite like Rscap 1.10. Some early ERP systems used undocumented encapsulation