usb to rs485 Converter Adapter This devices allows you to connect RS485 serial devices to your computer via USB. Great for point to multi-point communication with up 32 devices connected per converter! Specification: Standard :RS485 Main chip: FTDI FT232RL USB 2.0; compatible USB 1.0 Baud rate: up to 3000Kbps supported systems Windows2000,CE,xp,7,8,10 Ubuntu 11.10, kernel 3.0.0-19 3, Mac OS X 10.3 to 10.8 (32 &64 bit) 4,Mac OS X 10.9 and above(64 bit), Linux Package included 1* FTDI usb to rs485 Adapter If you have any questions or Suggestions, please feel free to contact us, We will fix your issue within 24 hours.Warranty:We back this usb to RS485 Converter with 12 months warranty.If you have any questions or Suggestions, please feel free to contact us, We will fix your issue within 24 hours. Support EEPROM support vendor ID re-write support mprog.Support for FTDI VCP drivers and D2XX drivers.work with Android, Win98/ME/2000/ XP/ 7/ 8/10, Linux, MAC OS. Support equipment with RS485 interface: monitor camera, video collector, fingerprint attendance machine, SPC switch, CNC machine, MCU,etc. New FT232RL and Max485 Chip combination, industrial application, stability, speed and anti-interference ability is very good. Industrial grade USB to RS485 converter. It easily lets you connect any RS485 device directly to your computer's USB port;Notice:A+ means T/R+; B- means T/R-.