The extra 24 pins supply the extra signals required to route I/O back from the method connector (audio, AC-Hyperlink, LAN, cellular phone-line interface). Kind II cards have RJ11 and RJ45 mounted connectors. These cards need to be Positioned at the edge of the pc or docking station so the RJ11 https://nathanlabsadvisory.com/iso-55001-2014-certification-it-asset-management/