Red alarm light on att fiber box
![red alarm light on att fiber box red alarm light on att fiber box](https://image.made-in-china.com/2f0j00eyJTBSMdlEuU/3582-2835-Red-LED-660nm-625-Nm-Grow-Light-LED.jpg)
If your Internet is down, it will definitely require a truck roll to splice the fiber back together. Other than that make sure you devices are not being disconected because you are too far away from modem. I think it means there's no laser on the incoming fiber, the problem means it's between the ONT and optical aggregator (the thing all the ONTs talk to, I think it's an optical aggregate terminal but my terminology is probably off.). I decided to call AT&T technical support after noticing the red Alarm light was illuminated on the AT&T Optical. Also make sure than modem is in open space, above ground and not being near any other electronics such as microwave, fridge, tv, etc. Plus in the Smart home manager tool tab you can run channel scan on your modem.
![red alarm light on att fiber box red alarm light on att fiber box](https://i.imgur.com/u39iTyq.jpg)
![red alarm light on att fiber box red alarm light on att fiber box](https://i.pinimg.com/474x/68/33/a6/6833a6d38914c23482889baec812f5b9--junction-boxes-kos.jpg)
You can also use Smart home manager to run the speed test that measures speed directly to your modem.
#Red alarm light on att fiber box password#
Also if you are using diferent network name/ssid and password than the one thats writen on the modem, after the factory reset you need to go to smart home manager app, login with your member id, and change the network name plus password to the one that you want so that way you dont have to reconect all your diveces individually. All light should go off except the power light, then wait 10 to 15 minutes. Con la red de AT&T 4G LTE, experimenta una velocidad de datos de hasta 4 veces ms. Just hold down the red reset button on the back side of the modem for 30 seconds and them release it. Here, we assume an unprivileged adversary equipped with an. Did you already tried rebooting both Modem/RG + ONT ? If that doesnt help, you can also try doing Facroty reset of Modem. Just make sure when this occur there is no red alarm light.