Specifications

TD-W8151N 150Mbps Wireless N ADSL2+ Modem Router User Guide
4
Chapter 2 Hardware Installation
2.1 The Front Panel
Figure 2-1
The LEDs located on the front panel indicates the device’s working status. For details, please refer
to LED Explanation.
LED Explanation:
Name Status Indication
(Power)
On The modem router is powered on.
Off
The modem router is off. Please ensure that the power adapter is
connected correctly.
(ADSL)
On ADSL line is synchronized and ready to use.
Flash The ADSL negotiation is in progress.
Off
ADSL synchronization fails. Please refer to Note 1
for
troubleshooting.
(Internet)
On The network is available with a successful Internet connection.
Flash There is data being transmitted or received via the Internet.
Off
There is no successful Internet connection or the modem router is
operating in Bridge mode. Please refer to Note 2 for troubleshooting.
(WLAN)
On Wireless is enabled but no data is being transmitted.
Off Wireless function is disabled.
(WPS)
On
A wireless device has been successfully added to the network by
WPS function.
Flash
WPS handshaking is in process and will continue for about 2
minutes. Please press the WPS button on other wireless devices
that you want to add to the network while the LED is flashing.
Off
The WPS
function is disabled or the wireless device fails to be added
to the network in 2 minutes after WPS function is enabled. Please
refer to
WPS Settings for more information.
(LAN)
On There is a device connected to this LAN port.
Off There is no device connected to this LAN port.

Note:
1. If the ADSL LED is off, please check your Internet connection first. Refer to 2.4 Connecting the
Modem Router 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 Note 1. If your ADSL LED is GREEN ON, please check your Internet