USB to Serial Brainboxes USB to Serial devices include adapters, converters, and hubs. These products provide up to eight RS232 or RS422/485 ports and offer baud rates up to 921600. Many of these hot-swappable modules feature IP-30-rated rugged, high-strength, metal cases, which are ideal for harsh industrial environments. Brainboxes Boost software provides an excellent user interface with state-of-the-art compatibility and data integrity.