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USB ↔ RS422 Converters (Maximum Baudrate 9600)


Very small USB to RS422 Converters (Quasi Isolated)


  • USB 2 compliant
  • Data format supported: 8, 7, 6 and 5-bit.
  • Stop bits: 1, 1.5 and 2.
  • Standard baud rates available: 300, 600, 1200, 2400, 4800, 9600.
  • On board FIFO: 576 bytes receive and 640 bytes transmit available.
  • USB powered.
  • Quasi isolated. The transmitter is directly coupled and the receiver is optically coupled. Two units on both sides provide a totally isolated network.
  • Default transmitter driver is 3.3 volt, however it is capable of functioning on 5 volt networks.
  • Serial number specifies a unique ID number that allows multiple units to be used on the same platform, thus registering N comports on the same host.
  • Can be used on a USB hub to extend the number of serial links on the host.
  • Configuration stored in nonvolatile EEPROM.

Virtual COM Port drivers:

  • Works with standard terminal programs (eg. Hyper Terminal).
  • Drivers available for Windows 2000/XP, Mac OS-9, Mac OS-X .
  • Drivers available for Linux 2.4 and above (Note Linux › 2.6.18 = Kernel driver)
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Order Information Product Number:

  • 5999-USB-422_SLOW

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Warranty: 1 year limited hardware warranty
Note: Specifications may change without notice

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RS232 to RS422
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