magicJack Plus Plug the Ethernet Cord into magicJackTM Plus. Plug the other end of the Ethernet Cord into a modem or router. Connect the Power Adapter to the USB stick of the magicJackTM Plus and plug the Power Adapter into the wall. Plug any regular or cordless phone into the magicJack MagicJackTM Plus will install in approximately 60 seconds and stay on at all times. This item includes power adopter and the USB extension cord.