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Isolated RS-485 to USB Interface


The Isolated RS-485 to USB Interface provides a galvanically isolated RS-485 bus interface to a computer USB port.  A type B female USB connector mounted on the interface board can be connected to a host computer running Mac OS X or Windows 7 using a standard USB printer cable.  The RS-485 side requires an isolated +9V to +12V wall wart-style power supply.  The interface provides the following:

  • Virtual serial port using standard USB drivers pre-installed in most operating systems; 
  • Half-duplex RS-485 interface with automatic receive/transmit switching;
  • Galvanically isolated from the host computer to eliminate potential ground loops; 
  • On-board 120 ohm termination via a jumper;
  • Receive/transmit LED indicators to show transmission status;
  • Reverse polarity protection on RS-485 power supply with built-in 5V regulator;
  • Built-in EMI protection for the USB interface.

User Manual

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  • Model: 120050
  • 1 Units in Stock
  • Manufactured by: Computer Inspirations

This product was added to our catalog on Saturday 08 September, 2012.

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