Yealink SIP-T4X Administration Manual page 26

2) Connect the handset, optional headset and Bluetooth headset:
Note
Wireless headset adapter EHS36 and Bluetooth USB dongle should be purchased
separately.
For more information on how to use the EHS36 on the IP phone, refer to
User Guide.
Bluetooth can only be used on SIP-T46G IP phones. For more information on how to use
the Bluetooth on SIP-T46G IP phones, refer to
Guide
.
EXT port can also be used to connect the expansion module EXP40. For more information
on how to connect EXP40, refer to
3) Connect the network and power:
AC power

Power over Ethernet (PoE)

AC Power
To connect the AC power and network:
1. Connect the DC plug of the power adapter to the DC5V port on IP phones and
connect the other end of the power adapter into an electrical power outlet.
2. Connect the included or a standard Ethernet cable between the Internet port on IP
phones and the one on the wall or switch/hub device port.
Yealink Bluetooth USB Dongle BT40 User
Yealink EXP40 User Guide
Getting Started
Yealink EHS36
.
11