Yealink Poe Adapter YLPOE30, Interface 1 x Gigabit LAN - RJ-45, Power Output Connectors 1 x RJ-45, Black, Frequency 50/60 hertz, AC 120/230 volt, Network cable - external - 6.6 ft. Yealink YLPOE30, a power supply primarily designed for the Yealink CP960 IP conference phone and other Yealink PoE-featured IP phones. The YLPOE30 will provide both data connection and electric power with only one Ethernet cable, giving you a clean and tidy desktop.