Phone initialization, Power over ethernet – Yealink SIP-T26P User Manual
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User Guide for the SIP-T26P IP Phone
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phone and the one on the wall or switch/hub device port.
Power over Ethernet
With the included or a regular Ethernet cable, the SIP-T26P IP phone can be powered 
from a PoE-compliant switch or hub. 
To connect the PoE:
1. Connect the Ethernet cable between the Internet port on the phone and an
available port on the in-line power switch/hub.
Note
After your phone is powered on, the system boots up and performs the following steps:
Automatic Phone Initialization
The phone finishes the initialization by loading the saved configuration. The LCD screen 
displays “Initializing, Please wait…” during this process. 
If in-line power switch/hub is provided, you don’t need to connect the phone to the power 
adapter. Make sure the switch/hub is PoE-compliant. 
The phone can also share the network with another network device such as a PC 
(personal computer). It is an optional connection. 
Important! Do not unplug or remove power to the phone while it is updating firmware 
and configurations. 
