You could knock it down by using a forward path only attenuator. It won't affect the upstream power;. If you are not actually having any connectivity problems, just leave it alone.
No need to focus on the numbers. Perhaps the connection from the street is impaired. The problem may lie beyond your home in the local neighborhood infrastructure somewhere but it is their S. Good luck! Comcast tech came out again on Tuesday and checked the lines. My upstream level at the tap was 49, but he said that it was within Comcast's specs. My CMV's log is empty, and my internet is back to what I'm paying for.
There is nothing in between. The coax cable runs from the wall straight to the router with nothing in between them. Thanks for the link to product. Tomorrow I have the tech visiting my place to check power lowels.
The tech added a signal attenuator in between the wall outlet and the modem and blocked the signals coming from other signal outputs. This reduced the high upstream and downstream levels. Your Home Network. Xfinity and Arris really need to mutually line up their ducks. Or Xfinity needs to stop recommending the Arris modem. The upstream power being above 51 dB causes random disconnects, spontaneous re-booting of the modem, speed, packet loss, latency problems, and the un-bonding of the multiple bonded channels on the Comcast system.
I have exactlly the same issue and low upstream power levels with Arris T Did you ever get it straightened out? I have to reset modem about twice a week as it drops off in the early morning hours. I had Arris swap out the T25 once already and am getting the same results. I would seem to agree that the T25 is the issue. What did Xfinity suggest for a Modem as a replacement? I should add that I'm doubtful that swapping out the Arris T25 will change anything.
This smells like a design problem to me, based on others having similar complaints. At a recommendation from Comcast, I rented an xfinity modem and swapped it out with my Arris T The Xfinity modem has not crashed in over a month.
Arris is willing to swap out the T25, but wants me to first reinstall it and let them revisit the power levels it reports after the xfinity modem has worked so well. They want to make sure that Comcast didn't fix something which I'm pretty sure hasn't happened. I started to do this and my wife squawked because she needed to use the internet. I haven't yet gotten back to it.
Xfinity has an 'xFi Advanced Gateway' that they push. It's a combination modem and wifi capable router. I'm just using it as a modem because I didn't want to mess with my faithful Asus router, nor did I want to host an xfinity hot spot. The T25 is on Xfinity's approved list. It got worse a few weeks after I first posted. Like you, I started to have to recycle the power every few days. And no one takes responsibility for why that was.
I finally gave up and rented an XB7. Been a few weeks and getting my consistent downloads and not one power recycle required yet. So all is well CSR send the magical "signal" to the modem, takes 10 minutes to reboot, and nothing changed. As has been the case 25 times before. CSR tells me she sees green; however there are still thousands of uncorrectable errors -- which can be heard as static on audio and seen as pixelation.
Should be ; highest one I have is Arris CSR tells me that only Comcast can make the signal level adjustments, that NO tech needs to visit the property, and that they should be able to see the signal levels just as easily as Assis CSR did. There is only one splitter between the cable modem and incoming line; new short Comcast-supplied coax line from Comcast between CM and wall outlet.
No problems with previoius Motorola MB at same property with same lines, splitter and cables. Similar problem here. I'm not convinced that the signal levels have much to do with the modem "crashing" -- the signal levels are basically the same all the time and the modem seems to be having a problem recovering from a line glitch or something. Signal levels might contribute to a higher error rate though. Interesting that the Arris web page showing the required signal levels shows an example of upstream levels that are outside their specifications.
I'm not convinced Arris really knows what the signal levels should be. I don't think I have seen two consistent answers among all of them. I am traveling now, but I plan on escalating this to my coumty's cable regulation office when I return. They have direct access to "executive" decision makers in an office near Baltimore who can cut through the nonesese and get things done.
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