The extra 24 pins offer the extra signals required to route I/O again from the program connector (audio, AC-Backlink, LAN, telephone-line interface). Type II cards have RJ11 and RJ45 mounted connectors. These cards has to be Positioned at the edge of the computer or docking station so that the RJ11 https://nathanlabsadvisory.com/achieve-pci-dss-compliance-in-the-usa-secure-your-business-today/