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3. Connect the USB flash drive, as shown below:
4. 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.
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. If you are connecting a PC to your phone, we recommend that you use the Ethernet cable
provided by Yealink.
If inline power (PoE) is provided, you don’t need to connect the power adaper. Make sure the hub/switch is PoE-compliant.
Note: The USB port can also be used to connect the Bluetooth USB dongle BT41 or Wi-Fi USB dongle WF40.
For more information on how to use the BT41 and WF40, refer to Yealink Bluetooth USB Dongle BT41 User Guide and Yealink
Wi-Fi USB Dongle WF40 User Guide.
PoE Hub/Switch
A
AC Power Option
PC Connection
(Optional)
Power Adapter
(DC 5V)
B
PoE ( Power over
Ethernet ) Option
PC Connection
(Optional)
IEEE 802.3af compliant
PC
PC
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