20pcs USB To RS485 Converter Module USB To TTL / RS485 Dual Function Dual Protection Support LED Display Communication Data

Parameter: Support system: windows XP, vista, windows 7 / 8 Standard: compatible with USB 2.0 using USB am print port standard, backward compatible, conforms to RS485 standard Direction control: adopt data flow to automatic control technology to automatically identify and control data transmission direction Baud rate: 300-9216000 bps, automatic detection of serial signal rate Load capacity: support point to multipoint Interface protection: TVS tube protection, USB self-recovery protection Function: 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, SCM, 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