TP-Link TD-W8961ND Installation Manual page 3

Front Panel LED Explanation:
Power - The modem router is powered on.
ADSL - ADSL line is synchronized and ready to use.
If this light is off, refer to sect. Connect Your Modem and check the ADSL port connection.
Internet - Internet success connected.
If this light is off, follow the next section Set up Your Internet Connection.
LAN 1-4 - There is a device connected to the Ethernet port.
WLAN - Wireless is enabled
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