Regular Visitor
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5 Messages
mb8611 weird status light issue?
So I have a mb8611 modem and have the 1200 down 20 up or whatever is supposed to be. Im getting the correct speed at my router and the internet is working fine in the home but on the modem the internet light the little globe is off, the up and down stream arrows are sloid blue and the networking light is blinking blue like normal but the globe is off. When the unit reboots the globe lights up so I know its not a bad led light unless there is a separate blue led light that is out. Just was wondering if it means anything if the globe(internet) light is off but you still have normal service?
I will attach the connection reports
EG
Expert
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110K Messages
2 years ago
Please post the balance of the downstream channels as well as the upstream channels.
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josjohnson
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5 Messages
2 years ago
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EG
Expert
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110K Messages
2 years ago
The signal status values at that snapshot in time were good. Perhaps there is noise ingress into the line(s) / an upstream channel / return path impairment somewhere.
There are other signal stat values that can't be read by the modem. They are the "Upstream Rx Power" (Upstream Receive Power Level), the "Upstream SNR Ch." (Upstream Signal To Noise Ratio), and the "Upstream ICFR" (In Channel Frequency Response). These are as equally important in diagnosing connectivity issues as are the modem's stats.
I'm going to escalate your issue to the Comcast corporate employees (The Digital Care Team) who are available to these boards. They will be able to poll the CMTS (Cable Modem Termination System) to check for any real-time degradation and / or error reports, see your node / cable plant, and modem health, and see whether or not everything is in the green zone. They can also see a history plot for the modem and poll the CMTS for those upstream receive signal stats.
You should get a reply here in your topic. Good luck !
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EG
Expert
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110K Messages
2 years ago
@XfinityFrank @josjohnson
Hmmm..... FWIW, everything that I find on Google says that that light is the "Online" / "Internet" indicator;
https://www.manualslib.com/manual/2113619/Motorola-Mb8611.html?page=8
The bottom light is the LAN / ethernet light.
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BruceW
Gold Problem Solver
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26.3K Messages
2 years ago
Wow. Just wow. Words fail me . . .
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