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IOCrest USB 2.0 to RS422/485 (FTDI chipset)


  1. Standards: conforming to USBV1.0, 1.1 and 2.0
  2. RS-485,RS-422 TIA/EIA Standard
  3. USB signals: VCC, DATA+, DATA-, GND and FG
  4. RS-422 Signal: T/R+,T/R-,RXT+,RXD-,GND; RS-485 signals: T/R+,T/R-.GND
  5. Working mode: asynchronous working?point-to-point or point-to-multipoint 2 wires (half duplex) 4 wires (full duplex)
  6. Single chip USB to asynchronous serial data transfer interface
  7. Direction control: Adopt the technology which automatically controls the data-flow direction?automatically distinguish and control the data-transmission direction;
  8. Support Bits per second Data transfer rates from 300 baud to 921600baud;
  9. UART interface support for 7 or 8 data bits,1 or 2 stop bits and even/odd/mark/space/none
  10. .Flow control none, hardware and xon/xoff
  11. Synchronous and asynchronous bit bang interface options with RD# and WR# strobes
  12. Transmission distance: RS-485/422 port:1.2km (300bps-921600bps).USB port : No more han 5 meters
  13. Interface protection: surge protection and ±15KV ESD protection
  14. Load capability; Support point-to-multipoint transmission. Each converter can connect 32 RS-422 or RS-485 interface equipment
  15. Signal indication: indicator lights for Power (PWR), Send (TXD) and Receive (RXD)
  16. Transmission media: twisted-pair cable or shielded cable;
  17. Extended operating temperature range; -40 to 85°C


  • USB to UART Cable
  • POS Printer Terminal
  • Networking System
  • Industrial and Power Meter
  • USB Bar Code Reader
  • USB Digital Camera Interface
  • USB Wireless/Wired Modem

Package details

  • 1x USB 2.0 to Serial Converter
  • 1x User Manual
  • 1x CD Driver
  • 1x Adapter


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