The RS232/RS485 converter allows the user to interface any device using an RS232 serial link to an RS485 link. The converter is designed to work with the RMV ELECTRONICS Inc. multi purpose I/O-485 line of data acquisition and control boards. The converters are not optoisolated since optoisolation for each station is provided in the I/O-485 boards. They can also be used back to back thus providing an RS232/RS485/RS232 link. In this way, two computers or devices using a standard RS232 serial port can communicate with each other at a maximum of 115,200 baud over a distance of 4000 feet, something impossible to achieve using an ordinary RS232 link. One interesting application using two RS232/RS485 converters back to back is when a computer needs to be connected to an I/O-232 board at a distance longer than usual.

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