Power Over Ethernet - Yealink SIP- T28P User Manual

User Guide SIP-T28P IP Phone
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)

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 supplied Ethernet cable between the Internet port on the phone and
the Internet port in your network or switch/hub device port.

Power over Ethernet

Using a regular Ethernet cable, the SIP-T28P IP phone can be powered from a PoE (IEEE
802.3af) compliant switch or hub.
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