The additional 24 pins supply the extra indicators necessary to route I/O back with the program connector (audio, AC-Url, LAN, cellphone-line interface). Variety II cards have RJ11 and RJ45 mounted connectors. These playing cards must be Found at the edge of the computer or docking station so which the RJ11 https://nathanlabsadvisory.com/ncema-7000-2015-certification/