Once that is up and connected (and if the serial ports are set to the same baud rate and paramters), you can type on either side and see the characters come across. If you have a null modem cable and a terminal program on the other side, the Mac actually has a built-in terminal program called “screen” that you can use to test the connection. On Mac, the file which maps to the port is /dev/cu.usbserial.

Now finally, you need an application which will talk to the serial port. And this won’t change the “Not Configured” message – that’s still ok. Because it’s a serial port, it’ll say “Not Configured” and that’s normal:įrom the “Advanced” button you can change default settings (usually not needed). This will create a “Network” interface for a modem or serial port. Now click on the ‘+’ sign on the bottom left, and then on the ‘Select the interface and enter a name for the new Service’ click on ‘Interface’ – you should be seeing the ‘USB-Serial Controller D’ there. Your results should be very close to this:

On the Mac there are two methods to determine this: Installing should start (takes a couple of minutes to complete)Īfter you restart, check that everything has installed OK. This is normal, click ‘Continue Installation‘. You’ll get a warning about restarting the computer after the installation is complete. You may be asked of your username and password – enter them and click ‘OK’ Then ‘Select a Destination’ click on your desired drive and click ‘Continue’ to move forward Once the installer comes up click ‘Continue’ to proceed. Now double click on the PL2303_1.4.0 to start the installation Now double click on the PL2303_1.4.0.dmg to mount the image Time to get the driver! Fire up Safari and browse to and scroll down to Mac.Ĭlick on the ‘PL2303 MacOSX10.6 dmg v.1.4.0.zip’, the Safari Downloads window should come up: If all is well you should be seeing something like this: Once connected click on the Apple icon and on ‘About This Mac’Ĭlick on ‘USB’ on the left and on the ‘USB-Serial Controller D’

If you want to verify that the adapter and the driver were installed properly click hereĬonnect the device to the Mac.

The easiest way to go about installing our Plugable USB to Serial adapter is by starting with the device.

Stellarium for mac 10.6.8