PL-2303 Mac OS X Driver Installation Guide
Document Rev 1.2
PL2303 Mac OS X 10.6 and Above Driver Installation Guide
4. After rebooting the system, you can now plug the PL-2303 USB-to-Serial adaptor or cable to the
USB port. You can first run the System Profiler program under the Applications-Utilities folder.
Click USB hardware inside System Profiler and look for “USB-Serial Controller” or “USB-Serial
Controller D”. This means that the hardware device is detected by your Mac computer.
5. You can then proceed to check if the USB serial port device is setup properly. You can run the
Terminal program under Applications-Utilities folder and type the following commands:
cd /dev
ls tty.usbserial*
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