@Junweilew This behaviiour could be due to a router FW / HW issue or a power supply unit failure. To factory reset the router press and hold its reset button for about 10 seconds. If that doesn't...

@Mikaelos From what I can see in both Air R5 and NX200 description and user guide, they both should be Easymesh compatible. To get Air R5 connected to your existing NX200 you may use the WPS method...

@Szymosa Are your other APs (ASUS, D-link) actually wireless routers but not a DSL modem routers ? With TP-Link there's a difference when comes to AP converting, especially if a customized FW is...

@Badbuy The easiest way to setup a RE is to use the WPS method. What the video steps and you should be able to set you RE up in no time. It's best to reset the RE to its factory defaults before you...

@svemmy Annex B identifies ADSL over ISDN. TD-W9970 is DSL modem router which runs ADSL over POTS (Annex A). Here's the different options that you have in its WebGUI for changing this setting:

@JML67 In this post you can find the link to the FW release you're asking for.