TP-LINK TD-W8901N Manuel D’Utilisation

 

4 

Figure 2-1 

The LEDs locate on the front panel. They indicate the device’s working status. For details, please 
refer to LED Explanation. 

On 

The modem router is powered on. 

 (Power) 

Off 

The modem router is off. Please ensure that the power adapter is 
connected correctly. 

On 

ADSL line is synchronized and ready to use. 

Flash 

The ADSL negotiation is in progress. 

 (ADSL) 

Off 

ADSL synchronization fails. Please refer to 

Note 1

 for 

troubleshooting. 

On 

The network is available with a successful Internet connection. 

Flash 

There is data being transmitted or received via the Internet. 

 (Internet) 

Off 

There is no successful Internet connection or the modem router is 
operating in Bridge mode. Please refer to 

Note 2

 for troubleshooting.

On 

Wireless is enabled but no data is being transmitted. 

Flash 

The modem router is sending or receiving data over the wireless 
network. 

 (WLAN) 

Off 

Wireless function is disabled. 

On 

There is a device connected to this LAN port. 

Flash 

The modem router is sending or receiving data over this LAN port. 

 (LAN 1-4) 

Off 

There is no device connected to this LAN port. 



1.  If the ADSL LED is off, please check your Internet connection first. Refer to 

 for more information about how to make Internet connection correctly. If 

you have already made a right connection, please contact your ISP to make sure if your 
Internet service is available now. 

2.  If the Internet LED is off, please check your ADSL LED first. If your ADSL LED is also off, 

please refer to 

. If your ADSL LED is GREEN ON, please check your Internet 

configuration. You may need to check this part of information with your ISP and make sure