The updated software has stricter security protocols. Fix: Ensure your ROC800 firmware is also updated. Go to Device > Communications > Setup and verify baud rate (typically 115200 for Ethernet, 19200 for Serial).
Older versions of ROCLINK 800 were built for Windows XP or Windows 7. The latest updated versions are fully optimized for , ensuring stable USB, serial, and Ethernet driver connections. 2. Enhanced Cybersecurity roclink 800 software download free updated
Check Windows Device Manager for correct COM port number. Verify your laptop's static IP matches the RTU subnet range. The updated software has stricter security protocols