MWE820A Type USB Serial Port ConverterDetailed product description：

The MWE820A USB serial converter realizes USB to RS-485/RS-422 conversion, with power provided by USB and no need for external power supply; Supports remote communication (<1.5Km) and multi machine communication (128 contacts). Compliant with USB specification 2.0, supports hot swapping, communication speed: 300-115.2Kbps adaptive.
Fully compliant with USB 2.0 specifications and supports hot swapping

The MWE820A USB serial converter supports multiple operating systems such as WIN98/2000/XP; Supports Apple OS8/OS9
Support remote wake-up and power management
Unique serial port protection circuit with anti-static, lightning strike resistant, and surge suppression functions
Built in intelligent module, automatic recognition of RS-485 signal flow direction, zero delay automatic forwarding technology
Industrial grade design, preferred imported components, all surface mount technology