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Review Details

4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate

Product Review (submitted on February 9, 2012):
Just works with the FTDI drivers. Tested on MacOS X 10.7 Lion and the four ports show up as /dev/tty.usbserial-FTUJPJ7ZA through /dev/tty.usbserial-FTUJPJ7ZD . Cables are quite long.