AT&T Broadband Blinking Red: 7 Ways to Fix It
It can be highly frustrating when your broadband connection starts bugging out and blinking red ''s even more frustrating when there are different
Broadband fiber optic cable turns red
Home / Broadband fiber optic cable turns red
A red broadband light usually means that something has gone wrong with your internet connection. This guide will walk you through what the LOS light means, why it blinks red and step-by-step instructions on how to resolve the issue, including resetting your router. I am in need of an engineer visit to replace the cable from my external brown (drop box?) to my indoor wall socket as it looks like the fibre optic cable has been damaged during recent building work when the cable was put back in the the wall socket box. First noticed the SH2 flashing purple and lastly moved a unit out the way to get a good view of the Openreach modem. It can also indicate your router is undergoing a firmware update, temporarily losing its link to the internet or local network.
