The Additional 24 pins supply the extra signals required to route I/O back with the program connector (audio, AC-Backlink, LAN, cellular phone-line interface). Type II playing cards have RJ11 and RJ45 mounted connectors. These playing cards have to be Situated at the edge of the pc or docking station so https://nathanlabsadvisory.com/iso-20000-1-it-services/