As the title Ferguson Ariva A52E RS232 Recovery software.
To use this software you need two leads.
1) Null modem RS232 cable.
2) RS232 Serial DB9 Male to 3.5mm Stereo Jack Male Adapter Cable. This cable is available hereCode:http://www.saverstore.com/product/20045949/CablesToGo-RapidRun-RS232-Serial-DB9-Male-to-35mm-Stereo-Jack-Male-Adapter-Cable-05m