Power Over Ethernet - Yealink SIP-T40P User Manual

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:
Connect the DC plug on the power adapter to the DC5V port on the phone and connect
1.
the other end of the power adapter into an electrical power outlet.
Connect the included or a standard Ethernet cable between the Internet port on the phone
2.
and the one on the wall or switch/hub device port.
Note 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.

Power over Ethernet

With the included or a regular Ethernet cable, the SIP-T40P IP phone can be powered from a
PoE-compliant switch or hub.
Getting Started
15