Install Aten UC232A driver El Capitan and Sierra

If you are looking for help on how to install Aten UC232A driver El Capitan and Sierra, you are landing to the right page. Follow the step by step below how to install the driver on Mac OS X 10.11 El Capitan and macOS 10.12 Sierra.

If you are working as a network administrator, Aten UC232A USB-to-Serial converter is a must have. This device converts USB to Serial port so it helps us to console network devices such as Cisco, Juniper, Dell Force-10, and etc using our notebooks or laptops.

Here are the step by step how to install the driver

Disable the System Integrity Protection. You can follow this tutorial how to disable it.

Download the Prolific PL2303 Mac OS X driver from here then install it. Simply follow the installation guide document included in the downloaded zip file. Once installed, reboot the Mac.

According to the installation guide provided by Prolific, after the installation completed once we connect the Aten UC232A usb-to-serial converter to our Macbook it should be detected by the Mac OS X system. But there is no ‘tty.usbserial’ under /dev directory. To solve this, simply download and install the latest driver provided by Aten. You can download it from its official website. In the near bottom side of this page, click the ‘Support and Download’ tab to download the driver. Yes at the time of this writing, the latest available driver is for OS X Yosemite 10.10. Just download it, I have proven it working for El Capitan and Sierra. Once downloaded, install it and reboot the Mac.

Then Plug the Aten UC232A USB-to-serial converter then verify that the device should be attached to /dev/tty.UC-232AC

Viola. You have successfully install Aten UC232A driver and ready to use.

  • varera

    No, this does not work on Sierra

    • I have just re-verified this method on a fresh install of macOS 10.12.4 Sierra and it still just works. Let me know which one does not work on Sierra?

      • varera

        tty serial device simple does not appear, although aten USB is recognized by the system

        • Make sure that you have disabled the System Integrity Protection otherwise the tty serial device will not appear.

          • varera

            seriously? should i also open all the ports and post my password on internet?