This light signifies a successful internet connection for the TP-Link router. The TP-Link router lights will be properly explained in this post, along with what they signify and when they indicate a particular issue. Understanding what each light indicates can help you troubleshoot network issues more effectively and optimize your connectivity. These lights provide important information about the status of your router, helping you determine if everything is working properly or if there's an issue that needs. Router status lights, often referred to as LED indicators, are small lights on the front panel of your router. Whether it's a setup issue or a connectivity error, this video helps you stabilize your TP Link router and get back online fast! If this. A guide to the different coloured lights you can expect to see on your Router and Mesh.