Flashing blue indicates the node is starting up, while flashing purple shows the setup is in progress. Solid red signals no internet connection. The tables in this article provide detailed information about the possible appearances of the LED lights on each device, the possible causes of each state, and what you should do. The pattern of blinking tells you just as much as the color. Here's how to interpret what you're seeing: Slow, steady. Your Fiber Jack is the small device that connects your home to the GFiber network. In other cases, a. What does that blinking light on your modem or router mean? This guide covers every LED color and pattern across Xfinity, Spectrum, AT&T, and CenturyLink gateways, with step-by-step fixes for the most common issues.
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