Getting Started153) Connect the network and powerYou have two options for power and network connections. Your system administrator willadvise you which one to use. AC power Power over Ethernet (PoE)NoteAC PowerTo connect the AC power:1. Connect the DC plug on the power adapter to the DC5V port on the phone andconnect the other end of the power adapter into an electrical power outlet.2. Connect the included or a standard Ethernet cable between the Internet port onthe phone and the one on the wall or switch/hub device port.NotePower over EthernetWith the included or a regular Ethernet cable, the SIP-T21P E2 IP phone can be poweredfrom a PoE-compliant switch or hub.PoE is not applicable to the SIP-T21 E2 IP phone.The IP phone should be used with Yealink original power adapter (5V/600mA) only. Theuse of the third-party power adapter may cause the damage to the phone.
