Is it normal for the fiber optic indicator light on the switch to stay constantly on
Los indicator: when the red light is on, the optical path is interrupted. What to check: Make sure the power cable is securely plugged into both the ONT and a working wall outlet. The lights on your ONT are typically LED indicators that display different colors and patterns to convey information about the device's status. The most common colors used are: The Power light is usually the first light to check when troubleshooting your ONT.
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