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User Guide

ManualsBrandsYealink ManualsOffice ElectronicsYealink SIP-T21P E2 Bundle of 8 Entry-level IP phone 2 Lines HD voice PoE LCD
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Getting Started
27
3) Connect the network and power
You have two options for power and network connections. Your system administrator will advise
you which one to use.
AC power
Power over Ethernet (PoE)
Note
AC Power
To connect the AC power:
1. Connect the DC plug on the power adapter to the DC5V port on the phone and connect
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 on the phone
and the one on the wall or switch/hub device port.
Note
Power over Ethernet
With the included or a regular Ethernet cable, the SIP-T21P E2 IP phone can be powered from 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. The use of
the third-party power adapter may cause the damage to the phone.