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When there is a power outage, the PON light of the optical modem keeps flashing? If the registration is not completed, there will be no internet. Three minutes is the dividing line when the watch is pressed.
After the power outage was restored, the WiFi was fully restored, but there was no network, and the PON light of the optical modem kept flashing. This is not broken, but optical modem re-registered in the computer room. Check the watch and wait for three minutes until PON is always on. One article will explain clearly what to check in ten minutes. ...
