The ARRIS SURFboard SB6190 is a DOCSIS 3.0 cable modem with 32 downstream x 8 upstream bonded channels, making it a perfect addition to your home network. Attempted Solution: Cox tech acknowledged my 51-55 dBmv . Acceptable Upstream Power Levels (dBmV): In the Upstream Bonded Channels section, identify the number of Channels and Type to find verify Upstream Power levels are within the acceptable range for each upstream channel. I'm getting … Chances are the problem is a mismatch between the modem and the speed tier, and/or local signal problems. Shouldn't all 8 upstream channels be connected for my modem? Cable modems are the heart of your home network. He found a noise block filter at the pole. Also, is there a way to reduce the upstream channel … All 32 downstream seem fine. My new billing statement started on Feb. 2 - March 1. I will post excerpts of this chat log below. I subscribed to new Xfinity service and the tech came out and ran a new cable from the pole to my house. The tech suggested that i buy a … I don't believe that Comcast has implemented 8 upstream channels anywhere, it's either 3 channels or 4 channels. Manufacturer speed ratings don't matter, only the Comcast numbers do. Enter the new start frequency and restart the cable modem for it to take effect. Below is my current cable connection stats from my CM600 modem. Using a Motorola MB7621. Upstream Bonded Channels (Partial Service) New Post - Tech Support. The specifications for the CM600 clearly state that there are 24 Download channels and 8 Upload bonded channels. Downstream Bonded Channels … Finally got to work direct to PC ( tech hints helped...duh) and speeds are 8-900 ish. On the phone, when I canceled, I was told that it would be prorated to around $3. The XB6 had been in place, running in bridge mode, for 2 months. The ARRIS SURFboard SB6190 is a DOCSIS 3.0 cable modem with 32 downstream x 8 upstream bonded channels, making it a perfect addition to your home network. I'm stuck right now because I'm not sure if the upstream bonded channels being unlocked is the real issue. Everything is way out of spec !! I noticed that it only has four of the 8 upstream channels bonded. I've power cycled the modem and router, remote reset the modem (via xFinity dashboard and phone call), factory reset the Google WiFi, and that's about the extent of my technical knowledge. News: For some time, DOCSIS 3.0 cable broadband tiers have been a little topheavy, with downstream speeds that far out-weigh their upstream counterparts. Also my modem's uplink/upstream indicator is displayed as solid amber on my modem, it used to be solid green but had changed when I first started having issues, I've checked with manufacturer regarding this status and it goes solid amber when there is only 1 upstream bonded channel, which matches stats below.Also getting extreme packet loss. Netgear CM500 - Upstream not channel bonding, Re: Netgear CM500 - Upstream not channel bonding, CM500 is only rated by Comcast for use with plan download speeds "Up to 372 Mbps". In comparison, Comcast tends to top out at 5 or 10 Mbps in the upstream. We used to have much stronger signals. So basically I have a "24x4" modem router. I am currently a Blast Customer in the Hotlanta market (16/2). Approved for use with Xfinity internet & voice service. It was not prorated. All 32 downstream seem fine. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. I am on the "Blast Pro Tier" if that matters. This field below allows you to modify the frequency the cable modem start with its scan during initialization and registration. Channel Channel ID Lock Status US Channel Type Frequency Width Power; 1: 1: Locked: SC-QAM Upstream: 35600000 Hz: 6400000 Hz: 41.0 dBmV: 2: 2: Locked: ... For quite some time I've been meaning to contact Xfinity to try to remove my TV service, as I've never used it and only accepted as a part of a package discount. Comcast XFINITY → [Signals] MB8600 now on two downstream channels bonded. The levels look OK and I'm only seeing uncorrected errors on about 6 or 7 (of 31) downstream channels (and the 1 ODFM channel shows uc errors also).-edit- Seems the router is the criminal here. Any splitters that remain should be high quality and cable rated for 5-1002 MHz, bi-directional, and no gold colored garbage types like GE, RadioShack, RCA, Philips, Leviton, Magnavox, and Rocketfish from big box stores like Home Depot, Lowes, Target, Wal-Mart etc. That's a theoretical or lab-bench speed you'll never see in the real world. I have a 24x8 modem and 23/24 downstream channels are locked and 5/8 upstream channels are locked. Cable modems are the heart of your home network. The other half (5-8) won't lock. I believe this is a line problem, and not a modem problem. Signal to Noise Ratio (SNR) is not listed on the upstream channels because it is measured at the CMTS. The upstream section lists the channels you are connect to your ISP with. The power level on all downstream appears to be good (1.5-3.3). Forum discussion: Hi, On my SB6120 with FW 1.0.3.0, recently upgraded by comcast to 16 /2 with Two Bonded channels. The current levels provided by Comcast are 38 - 42 across the 4-upstream channels. Also, the upstream SNR level provided by most CMTSs is not specific to any single modem, but is an averaged, aggregate level from all modems on that upstream channel on the upstream port. Hello, As the subject references, my modem indicates that it is only locking onto one upstream channel. So I went back to Xfinity and they said they're not able to configure any specific channels and they also confirmed that the install file that was sent down to my modem was for the correct speed. 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