T     This USB to RS485 adapter easily lets you connect any RS485 digital devices ( such as cash register, printer) directly to your computer or laptop USB port.

·         Mainchip: CH340 chip ,Industrial chip, high quality, super stable. The Lead PINS include: A +, B-, GND ,GND,5V0.

·         USB 2.0 to RS485 Converter and all kinds of 485 interface docking, transmission distance up to 1000 meters.

·         TVS Anti-lightning, anti-static, anti-surge protection.

·         Works with all Windows systems and OS system, such as, Windows 10, Windows 8, Windows 7, Windows XP, Vista, Mac.