Forum Discussion
More information shared with the team.
- WiderMouthOpen31 days agoEsteemed Contributor
What model modem do you have? I don't recognize that last screen and I am somewhat familiar with Arris modems.
As for the logs, hard to read them all because of the pictures resolution, but I do see many T4 errors. That is caused by noise on the upstream. It's impossible for a customer to see the upstream SNR. Only Cox can see that. That is probably more a sign of your issue then the correctable errors. Just FYI so you don't go barking up the wrong tree.
- Hagary31 days agoNew Contributor
I have an Arris S33v2. The last screenshot is from the router plugged directly into the modem, reporting on the WAN interface.
Several people have mentioned the T4 errors indicating that noise on the upstream is likely the issue. This I can completely believe. Here's the deal - I just got off the phone with someone from "Cox corporate", and she said everything looks perfect on their end. Nothing whatsoever so it must be in my house.
I've been a network engineer in an earlier part of my life, and I told her all the tests I've run, and that I'm doing tests directly from the device plugged into the modem (router or laptop) and everything looks fine on my end, so where do we go from here? They've been completely dismissive of the event log errors, which are now including " RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW" and " Dynamic Range Window violation" errors.
- WiderMouthOpen31 days agoEsteemed Contributor
Ohh, so it was a page on your router. I saw the Arris tag on top so thought it was your modem. I guess that was the bottom of the previous picture.
I used to work for Cox about 10+ years ago. Back then they had a program that would show you event errors like the logs do. They stopped using it and switched to a different program which I don't think gives the same detail. They are probably just looking at the signal levels and going "Yup, those are good". They have to dig deeper.
Do you know anything how the coax gets to your modem from the street? You mentioned a HOA. Is that for a condo or apartment complex or a normal house? I just wonder if there is some kind of equipment like a line amp or distribution panel, maybe your own node, that is having a problem. Also, I wonder if there is finger pointing between Cox and the HOA on who should pay to fix the problem long term. As long as you have ruled out all your internal wiring, I say file another FCC complaint.
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