All Python sample code was tested using Python 3.5.2 (64-bit) running under Windows 10. You will need to install pySerial to test these samples.
pip install pyserialRun this python script while connected to a GO device via an IOX-RS232
If the script executes successfully against an awake (ideally with Ignition On) GO device, the output should resemble:
Run this Python script to emulate a GO device while your external device is connected via the RS232 port: