You will need a 9 pin Null modem lead

Connect it to the front of the controller serial port on the left of the front.

Open your terminal emulator, I use putty

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Change the settings as below making sure to choose the correct com port on your laptop/PC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No credentials needed when using Serial connection.