3. Connect the network and power, as shown below:
You have two options for network and power connections. Your system administrator will advise you which one to
use.
A
AC Power Option
PC Connection
(Optional)
Power Adapter
(DC 5V)
B
PoE ( Power over
Ethernet ) Option
PC Connection
(Optional)
IEEE 802.3af compliant
PoE Hub/Switch
Welcome
Initializing... Please wait
2
Note: The IP phone should be used with Yealink original power adapter (5V/2A) only. The use of the third-party power
adapter may cause the damage to the phone.
Startup
PoE-compliant.
After the IP phone is connected to the network and supplied
with power, it automatically begins the initialization process.
After startup, the sign-in screen appears on the phone LCD
screen. Refer to Sign-in on page 3 to sign into to the Skype for
Business Server.
If inline power (PoE) is provided, you don’t need to connect the power adapter. Make sure the hub/switch is
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