Introduction USB TO RS232/485 (B), an industrial-grade USB to RS485/422 isolated converter, adopts the original FT232RNL, an industrial rail case design, built-in protection circuits such as power isolation, ADI magnetic coupling isolation, and TVS. USB TO RS232/485 (B) is easy to operate, and can automatically transmit and receive without delay. It features fast communication speed, stability, reliability, and safety, which can be applied to various industrial control devices or applications with high communication requirements. Features 1.USB TO RS232/485 Industrial Grade Isolated Converter 232RNL,Stable Transmission ,Multiple Devices Applicable, Multi-OS Compatible 2.Onboard Original Chips Onboard Original FT232RNL Chips, Providing Better Stability And Compatibility 3.Galvanic Isolated Design Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption 4.Multiple Protection, Safe And Stable Onboard TVS (Transient Voltage Suppressor), effectively suppresses surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance. 5.Multi System Support Supports Mac, Linux, Android, Win11/10/8.1/8/7, Etc. 6.Wall-Mount And Rail-Mount Support Development Resources s://.waveshare/wiki/USB_TO_RS232/485_(B)? Package Content USB TO RS232/485 (B) x1 USB-A male to USB-B male cable 1.2m x1 Screwdriver x1