6ES7 972-0CB20-0XA0 connect with Siemens S7-200/300 PLC

The 6ES7972-0CB20-0XA0 cable is used for siemens plc s7-200 s7-300/400 plc Communication. Some touch screens also can use this cable. How the connect with Siemens S7-200 PLC How connect with Siemens S7-300 PLC?