How to find the serial ports on Mac OS X?

This example is for Trendnet USB to serial adapter v2

After install del driver for your Mac and restart the Mac.

Open a terminal session and type.

#ls /dev/tty.*

note the list of the usb-serial com port per example

/dev/tty.usbserial (in my case)

Then use screen commandon the terminal in order to access your serial appliance, per example

#screen /dev/tty.usbserial {baudrate}