YEALINK NETWORK TECHNOLOGY CO. LTD. T42S User Manual
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.
You have two options for network and power connections. Your system administrator will advise you which one to use.
Note:
If inline power (PoE) is provided, you don’t need to connect the power adapter. Make sure the hub/switch is
PoE-compliant.
The IP phone should be used with Yealink original power adapter (5V/1.2A) only. The use of the third-party
power adapter may cause the damage to the phone.
power adapter may cause the damage to the phone.
2
Power Adapter
(DC 5V)
IEEE 802.3af compliant
PoE Hub/Switch
PC Connection
(Optional)
(Optional)
A
B
AC Power Option
PoE ( Power over
Ethernet ) Option
Ethernet ) Option
PC Connection
(Optional)
(Optional)
3. Connect the USB flash driver, as shown below:
Note:
The USB port can also be used to connect the Bluetooth USB dongle BT40 or USB headset. The USB flash
driver, BT40 and USB headset should be purchased separately. For more information on how to use the
BT40, refer to Yealink Bluetooth USB Dongle BT40 User Guide.
BT40, refer to Yealink Bluetooth USB Dongle BT40 User Guide.