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TP-LINK TD-8817B User Manual

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TD-8817B
ADSL2+ Modem Router User Guide
 
4 
Chapter 2.  Hardware Installation 
2.1  The Front Panel 
 
Figure 2-1 
The LEDs are located on the front panel, they indicate the device’s working status. For details, 
LED Explanation: 
LED 
Status 
Indication 
On 
Power is on. 
Power 
Off 
Power is off. 
On 
There is a successful connection on USB port but no 
activity. 
Flash 
Data is being transferred over the USB connection. 
USB 
Off 
There is no connection on USB port or the connection is 
abnormal. 
On 
There is a successful connection on LAN port but no 
activity. 
Flash 
Data is being transferred over LAN port. 
LAN 
Off 
There is no connection on LAN port or the connection is 
abnormal. 
On 
The LINE port is linked up. 
Flash 
The ADSL negotiation is in progress. 
ADSL 
Off 
The LINE port is linked down. 
On 
A successful PPP connection has been built. 
Flash 
Data is being transferred over the Internet on PPP mode.
Internet 
Off 
There is no successful PPP connection or the Router 
works on Bridge mode.