Solid Green/Blue/White: Everything working normally Flashing Green/Blue: Router starting up or connecting Solid Red/Orange: Connection problem or hardware error Flashing Red/Orange: Attempting to establish connection Purple/Pink: Brand-specific error (see detailed guides. Solid Green/Blue/White: Everything working normally Flashing Green/Blue: Router starting up or connecting Solid Red/Orange: Connection problem or hardware error Flashing Red/Orange: Attempting to establish connection Purple/Pink: Brand-specific error (see detailed guides. Router status lights, often referred to as LED indicators, are small lights on the front panel of your router. These lights help users understand the operational state of the device and its various components. Typically, these lights correspond to various router functions such as power. 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. Ensure your Fiber Jack is connected to the network and the LED lights are connected and working properly before moving. The LEDs on your modem, optical network terminal (ONT), router, or modem/router combo (gateway) are most likely blinking because they're communicating what the device is doing, or there's an error. The pattern of blinking tells you just as much as the color. POWER Normal: Solid/stagnant light. PON (Passive Optical Network) Normal: Solid. The Optical Network Terminal (ONT) is a crucial device in modern telecommunications, serving as the interface between your home network and the fiber-optic internet connection provided by your Internet Service Provider (ISP).