TP-Link TD-W8901G Troubleshooting Guide - Page 4

Check 2 The indicator lights on the front panel of the modem router are used to verify the unit's operation and status between your modem, PC and ISP's network. The table below describes what the lights mean. Label Power ADSL Internet LAN 1/2/3/4 State On (Steady Green) Off On (Solid Green) Flashing Green Off On (Solid Green) Off Flashing Green On (Solid Green) Off Flashing Green Description Resolution Power On Check ADSL light. No Power Resolution 3 Synchronized Attempting Synchronization Not Synchronized The PPP (Internet) connection is successfully established There is no successful PPP connection or the Router works on bridge mode Traffic being transmitted over the Internet Link between your computer and your DSL modem is established No link between your PC and your DSL modem Traffic being transmitted over the LAN Check Internet light Wait 2 minutes, if the light does not turn a solid green, refer to the Resolution 3. Resolution 3 Check LAN lights Check the PPP username and Password, VPI/VCI values or refer to Resolution 5 Check LAN lights The physical connection between the DSL modem and PC is working properly. The physical connection between the DSL modem and your PC is disconnected or NOT working properly The physical connection between the DSL modem and PC is working properly. Check 3 Check the Data Rate at the bottom of the Status page. If the numbers are approximately matched with the ADSL profile provided by your ISP (e.g. downstream 2Mbps and upstream 512kbps), that means the device is synchronized properly with the ISP and the quality of the ADSL line is essentially normal. If the Data Rate number is N/A, it stands for the modem router is not synchronized with your ISP. Please go to Resolution 3 - For ADSL Light Off. 4 / 15