YEALINK NETWORK TECHNOLOGY CO. LTD. T48S User Manual
A
B
AC Power Option
PoE ( Power over
Ethernet ) Option
Ethernet ) Option
PC Connection
(Optional)
(Optional)
Power Adapter
(DC 5V)
PC Connection
(Optional)
(Optional)
IEEE 802.3af compliant
PoE Hub/Switch
Welcome
Initializing... Please wait
2
Startup
4. Connect the network and power, as shown below:
You have two option for network and power connections. Your system administrator will advise you which one to use.
3. Connect the USB flash driver, as shown below:
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 inline power (PoE) is provided, you don’t need to connect the power adaper. Make sure the hub/switch is
PoE-compliant.
After the IP phone is connected to the network and
supplied with power, it automatically begins the
initialization process. After startup, the phone is ready
for use. You can configure the phone via phone user
interface or web user interfafce.
supplied with power, it automatically begins the
initialization process. After startup, the phone is ready
for use. You can configure the phone via phone user
interface or web user interfafce.
Note:
The USB port can also be used to connect the Bluetooth USB dongle BT40 or Wi-Fi USB dongle WF40. The
Bluetooth USB dongle BT40 or Wi-Fi USB dongle WF40 should be purchased separately. For more information
on how to use the BT40 and WF40, refer to Yealink Bluetooth USB Dongle BT40 User Guide and Yealink WiFi
USB Dongle WF40 User Guide.