20pcs USB To RS485 Converter Module USB To TTL / RS485 Dual Function Dual Protection

Parameter Support system windows XP vista windows 7 8Standard compatible with USB 2 0 using USB am print port standard backward compatible conforms to RS485 standardDirection control adopt data flow to automatic control technology to automatically identify and control data transmission directionBaud rate 300 9216000 bps automatic detection of serial signal rateLoad capacity support point to multipointInterface protection TVS tube protection USB self recovery protectionFunction remove the jumper cap with TTL module function insert the jumper cap with RS485 function Use Home appliances centralized control access control system card various industrial automation instrumentation parking bus charging cafeteria Shoufan system employee attendance highway toll stations ATM supports devices with RS485 interface surveillance camera video collector fingerprint time attendance program controlled switch CNC machine etc Note Output A D B D and device connection This product does not come with a driver disk driver download address http files banggood com 2018 08 SKU971533 rar Package included 20 X USB to RS485 converter module