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Chapter 2 Hardware Installation
2.1 The Front Panel
The LEDs locate on the front panel, they indicate the device's working status. For details, please
refer to LED Explanation.
LED Explanation:
Name
Status
On
Power
Off
Flash
ADSL
On
Off
Off
Internet
On
Flash
On
WLAN
Flash
Off
Flash
On
LAN(1-4)
Off
TD-W8901GB
54M Wireless ADSL2+ Modem Router User Guide
Figure 2-1
Indication
Power is on.
Power is off.
The ADSL negotiation is in progress.
The LINE port is linked up.
The LINE port is linked down.
There is no successful PPP connection or the Router works on Bridge
mode.
A successful PPP connection has been built.
Data is being transferred over the Internet.
The wireless function is enabled but no data is being transmitted.
There is wireless data being transmitted.
The wireless function is disabled.
Data is being transferred over the 1-4 (LAN) port.
There is a successful connection on the corresponding 1-4 （LAN）
port but no activity.
There is no connection on the corresponding 1-4 (LAN) port or the
connection is abnormal.
4
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