In a self troubleshooting effort to try to obtain better connectivity / more wiggle room, check to see if there are there any excess/unneeded coax cable splitters in the line leading to the modem that can be eliminated/re-configured. He found a noise block filter at the pole. Downstream and upstream power levels are important when determining if the cable line that is connected to your cable modem or modem router is receiving sufficient power. 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. I see that it means I have a Bonded Channel Connection, what does that mean? It is normal to have less upstream channels than downstream. I believe these problems to be related to my 51-55 dBmv and my only one locked bonded upstream channel. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. 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. Good Downstream power levels are within -7 to +7 dBmV. Comcast XFINITY → [Signals] MB8600 now on two downstream channels bonded. Call them at the phone number on your bill or 1-800-Comcast, or use one of the options on https://www.xfinity.com/support/contact-us/. I have a C6300 AC1750 modem & router with firmware version 2.01.20 (I think this is the most current version). There should be at least three. We used to have much stronger signals. Verizon offers standard Internet packages with upstream speeds of 20 and 35 Mbps. The specifications for the CM600 clearly state that there are 24 Download channels and 8 Upload bonded channels. The upstream section lists the channels you are connect to your ISP with. The upstream channels, however, only half of them lock (channels 1-4). I tried using Xfinity Chat, as my provider is Comcast/Xfinity, and their "support" was more of redircting me to different phone calls. How many downstream bonded channels does xfinity use? The SB6190 is best for internet speed plans up to 400 Mbps. To view the upstream and downstream power levels: Launch a web browser from a computer or mobile device … Channel bonding doesn't do anything to increase overall upstream capacity, but it does combine several channels to boost peak upstream speeds. Chances are the problem is a mismatch between the modem and the speed tier, and/or local signal problems. Cable modems are the heart of your home network. Hello, As the subject references, my modem indicates that it is only locking onto one upstream channel. O/k, understood, but did any of that self troubleshooting stuff apply ? Tried calling comcast again to see if I could schedule a technician to come out and check out my connection. However, the power level on 1 of the upstream … I'm stuck right now because I'm not sure if the upstream bonded channels being unlocked is the real issue. These international standards certify that the modem is ready to play nice with most cable providers like Comcast, Time Warner, Charter, and Cox. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. 24 downstream x 8 upstream DOCSIS 3.0 channels, best for Xfinity internet speed plans up to 600 Mbps 0 Cable Modem, AC1750 Wi-Fi Access Point, 4-Port Gigiabit Ethernet Router & Xfinity Telephony Modem. Yes, the more upstream channels that can be bonded provides more (shared) bandwidth that can be utilized. I have tested two netgear cm1000 modems and an arris sb8200.. both of these are the top of the line docsis 3.1 modems and all 3 had identical issues at my house. Acceptable Upstream Power Levels (dBmV): It's not likely they'll be able to fix this remotely, unless dropping to a lower speed tier takes care of the problem. Any help solving this issue is deeply appreciated. You have  terrible connection !!! 0 Cable Modem, AC1750 Wi-Fi Access Point, 4-Port Gigiabit Ethernet Router & Xfinity Telephony Modem. Only one upstream channel is locked. The tech suggested that i buy a new modem because mine was more than 3 years old. From looking at other postings, I gather that my downstream channels may not be bonding … I'm stuck right now because I'm not sure if the upstream bonded channels being unlocked is the real issue. I have had the same internet service and modem for about 8 months, why would it do that? Then your only choice is a tech visit. In the Upstream Bonded Channels section, identify the number of Channels, Type, Symbolic Rate to find verify Upstream Power levels are within the acceptable range for each upstream channel. Comcast XFINITY → Upstream Bonded channels. The self troubleshooting that you've provided is not applicable, I don't have any splitters in my apartment. Signal to Noise Ratio (SNR) is not listed on the upstream channels because it is measured at the CMTS. The upstream light is amber, and I find that I occasionally have connectivity problems. 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. As a comparison, DOCSIS 3.x modems support 128QAM upstream. Upstream 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. I just purchased an SB6183 (coming from a SB6121) and it supports 16 downstream channels and 4 upstream channels. I just acquired a CM600 cable modem, and activated it on Comcast Xfinity. So basically I have a "24x4" modem router. Have been having pretty frequent internet issues the last 2-3 weeks, connection is spiking from being great to being practically non existent within seconds. Everything is way out of spec !! I believe this is a line problem, and not a modem problem. Power yours with the SB6190. CM1150V Upstream Channel Problem with Xfinity I purchased a CM1150V to replace an Xfinity (Arris) XB6. We used to have much stronger signals. I am on a 200 MB service plan if it matters. I am on a 200 MB service plan if it matters. Forum discussion: Hi, On my SB6120 with FW 1.0.3.0, recently upgraded by comcast to 16 /2 with Two Bonded channels. My question would be: Is it common that not all the channels lock? As the post implies the web page … Shouldn't all 8 upstream channels be connected for my modem? The current spec available today, DOCSIS 3.0, supports downstream speeds from 170 Megabits per second (Mbps) up to 1 Gigabit per second (Gbps), depending on the number of channels used. Forum discussion: So a few weeks ago here in Castle Rock, CO I swear I saw my SB8200 bonded to a OFDMA upstream channel and I know for a fact I … I have a CM1000. The other half (5-8) won't lock. Below is my current cable connection stats from my CM600 modem. This is a measure of how much power is in the upstream channels. Therefore, not only can a D3 modem bond multiple channels, but also double the bandwidth of each channel of a D2 modem. I … I noticed last night that on my cable modem (Motorola SURFboard SB6120) that the recieving light turned a solid blue instead of the green like the rest of lights. That can cause random disconnects, spontaneous re-booting of the modem, speed, packet loss, and latency problems. Have looked up some posts on the forum and it seems like I am having channel bonding issues. In the Downstream Bonded Channels section, identify the Modulation and Power to find verify SNR levels are within the acceptable range for each downstream channel. I subscribed to new Xfinity service and the tech came out and ran a new cable from the pole to my house. Also, is there a way to reduce the upstream channel … He found a noise block filter at the pole. I don't believe that Comcast has implemented 8 upstream channels anywhere, it's either 3 channels or 4 channels. I believe this is a line problem, and not a modem problem. I've disconnected/reconnected all the cables multiple times, there is no corrosion or oxidation, nothing that I can visibly see being bad with any cables. My internet works fine, and my speed matches my tier (250 Mbps). I believe these problems to be related to my 51-55 dBmv and my only one locked bonded upstream channel. I don't know if 4 is normal until a certain speed or what. On occasion, it drops to 1 bonded. Additionally, it is possible to bond multiple cellular links for an aggregated wireless bonded link. to start at the home. Not compatible with any other cable internet provider. Power yours with the SB6190. Here, 8 channels are bonded for downstream and 1 channel is used for upstream. Using a Motorola MB7621. techs. Acceptable SNR Levels (dB) : If QAM64 , SNR should be 23.5 dB or greater. Approved for use with Xfinity internet & voice service. 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. After an outage last night (I’m in the Central Valley of California) I logged into my MB8600 and noticed that I only have two downstream channels bonded, all four upstream are still bonded. Am going to install amplifier tomorrow. Cable modems are the heart of your home network. I will post excerpts of this chat log below. Previous bonding methodologies resided at lower OSI layers, requiring coordination with telecommunications companies for implementation. 4 products in 1: DOCSIS 3. How many downstream bonded channels does xfinity use? On my Arris SB6190, my Upstream channels usually runs 4 bonded. Acceptable Upstream Power Levels (dBmV): I just acquired a CM600 cable modem, and activated it on Comcast Xfinity. Regarding resolution of the issue I'm having, Arris points to this minimum requirement and Comcast points to the signal levels as meeting Comcast's specification which leaves me still pointing to the green DOCSIS 3.0 upstream … All 32 downstream seem fine. That modem will never do 600 Mbps on their system. You're only supposed to have 1 channel per stream. My question would be: Is it common that not all the channels lock? Upstream Bonded Channels (Partial Service) New Post - Tech Support. Call them at the phone number on your bill or 1-800-Comcast, or use one of the options on, https://www.xfinity.com/support/contact-us/. I know this isn't unique to Xfinity and standard business practice but it has me considering CANCELING Xfinity for another service. Bear in mind that if the premises facing techs can not find or fix a problem at your home, it is they who are responsible for escalating it to their line / network / maintenance dept. Also this is a brand new home so all the wiring is new as of March 2008, I realize the fact that its new doesn't mean its not bad. Average Power is in low 50s in both cases. Channels bonded can be wired links such as a T-1 or DSL line. The Modem is rated for speeds upwards to 680Mbps per Netgears site. However, my upstream Symbol rate was 5.120 Msym/sec for a long time. Attempted Solution: Cox tech acknowledged my 51-55 dBmv . Re: Having internet issues - channel bonding. I used to get 300 - 325 with the 'up to 300' tier. Nope.. My ISP is comcast. 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. The upstream section lists the channels you are connect to your ISP with. 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. In the Upstream Bonded Channels section, identify the number of Channels, Type, Symbolic Rate to find verify Upstream Power levels are within the acceptable range for each upstream channel. I've performed multiple factory resets on my modem and disconnecting all equipment/cables and am still having issues. ... Upstream Bonded Channels. Using a Motorola MB7621. I am on the "Blast Pro Tier" if that matters. So basically I have a "24x4" modem router. Manufacturer speed ratings don't matter, only the Comcast numbers do. I think this is an issue with xfinity and docsis 3.1 modems. Netgear CM500 modemModem is connected to the line from the outside box. Thank you! Upstream SNR levels are read at the CMTS on the upstream data channel, not the modem or the modem diagnostic screens. Approved for use with Xfinity internet & voice service. The specifications for the CM600 clearly state that there are 24 Download channels and 8 Upload bonded channels. Nope.. Official Reply. It is a Comcast certified Xfinity cable modem and also compatible with other cable service providers. Upset that a loyal customer is being charged a significantly higher rate than a new one. Upstream Bonded channels I have a SB6183 and have always had 16 locked download channels and 3 upstream locked channels. The current levels provided by Comcast are 38 - 42 across the 4-upstream channels. Acceptable Upstream Power Levels (dBmV): Using the Genie utility for the product I only see 16 Download Bonded channels and 4 Upload bonded channels. However, I have a bill for that time period for the full $80.95. Re: Netgear CM500 - Upstream not channel bonding The Modem is rated for speeds upwards to 680Mbps per Netgears site. Also getting extreme packet loss. You need a modem appropriate for your speed tier, and you should probably have a premise tech out to take a look at signal levels and missing channels, if you can persuade Comcast to send one. The tech suggested that i buy a … Only 4 channels are bonded as seen below on SB8200, getting slower upload speeds during the day. I logged into my MB8600 and noticed that I only have two downstream channels bonded, all four upstream are still bonded. See, Downstream power is a bit too high. This field below allows you to modify the frequency the cable modem start with its scan during initialization and registration. Cable had to start paying more attention to its upstream when Verizon rolled out its fiber-to-the-home networks and began promising symmetrical speed tiers. There is two channels on the download that seem intresting for correct/uncorrectables. Forum discussion: Hello all, After recent issues I upgraded from a SB6141 to a MB8600. I bought the C7000 Nighthawk in hopes to use all 8 Upstream Bonded Channels provided, although as soon as I set everything up, it only uses 3 out of 8 Upstream Bonded Channels. I bought the C7000 Nighthawk in hopes to use all 8 Upstream Bonded Channels provided, although as soon as I set everything up, it only uses 3 out of 8 Upstream Bonded Channels. All 32 downstream seem fine. Comcast is aiming to bond four channels for better upstream speeds, but trials at the moment range from two, to three, to four channels bonded depending on network conditions. Power Level. Downstream Bonded Channels … I don't believe that Comcast has implemented 8 upstream channels anywhere, it's either 3 channels or 4 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. In comparison, Comcast tends to top out at 5 or 10 Mbps in the upstream. I noticed that it only has four of the 8 upstream channels bonded. 8.10 / 10. What I'm trying to figure out is if it's the modem that is defective or is the signal being sent from Xfinity that is the issue. It has 8 downstream and 4 upstream channels. Only DOCSIS 2 modems support 64QAM (modulation). 4 products in 1: DOCSIS 3. Also, is there a way to reduce the upstream channel … Upstream Channels Upstream channels refers to the data that your computer sends out to the Internet. They should be calling me tomorrow Monday 6/15/2020. Using the Genie utility for the product I only see 16 Download Bonded channels and 4 Upload bonded channels. The XB6 had been in place, running in bridge mode, for 2 months. Enter the new start frequency and restart the cable modem for it to take effect. The current levels provided by Comcast are 38 - 42 across the 4-upstream channels. Its 24 downstream channels support data speeds of up to 1 Gbps and 8 upstream channels support data speeds of up to 246 Mbps. The upstream channels, however, only half of them lock (channels 1-4). CM1150V Upstream Channel Problem with Xfinity I purchased a CM1150V to replace an Xfinity (Arris) XB6. Does Comcast use Docsis 3.1 for upstream? Downstream and upstream power levels are important when determining if the cable line that is connected to your cable modem or modem router is receiving sufficient power. Gigabit internet, only 4 upstream channels bonded on SB8200. Comcast even trenched a new thicker cable from the street junction to the box in the house, and replaced the split line that the modem was connected to to a direct line from the modem to the box. [Speed] Bonding of Upstream Channels? It was not prorated. I'm getting … I have an account with Comcast and have recently been experiencing frequent slowdowns and disconnects. Having internet issues - channel bonding. 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. Acceptable Upstream Power Levels (dBmV): See "Check your signal levels" in. 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. Channel bonding doesn't do anything to increase overall upstream capacity, but it does combine several channels to boost peak upstream speeds. Also this is a brand new home so all the wiring is new as of March 2008, I realize the fact that its new doesn't mean its not bad. This is a measure of how much power is in the upstream channels. I have contacted Xfinity's costumers service, and they escalted my case to a higher tier of tech support . 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. 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. For enjoying superfast gigabit … I just purchased an SB6183 (coming from a SB6121) and it supports 16 downstream channels and 4 upstream channels. The problem may lie beyond your home in the local neighborhood infrastructure somewhere but it is their S.O.P. Most of the info listed below seems to be within range of the specs comcast has selected. Shouldn't all 8 upstream channels be connected for my modem? I have a C6300 AC1750 modem & router with firmware version 2.01.20 (I think this is the most current version). Downstream channel light is Green and upstream channel … I pay for the 600Mbps speed and I'm the only one in the household. That's a theoretical or lab-bench speed you'll never see in the real world. Modem is only 3 months old. 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. My ISP is comcast. The power level on all downstream appears to be good (1.5-3.3). Called back and automated voice stated that I would receive a call back, though it has now been about 2 hours since then and have not received any contact.Had a technician scheduled to come out a week or so ago, never actually saw the technician nor did I receive any contact as followup regarding the issue with my connection. Signal to Noise Ratio (SNR) is not listed on the upstream channels because it is measured at the CMTS. About a month ago, I went out and bought a Motorola SB 6120 DOCSIS 3 Modem. Your not having all 8 channels bonded does NOT indicate any problem. Checking with Arris they stated that the SB8200 requires a minimum upstream signal level of 45 dbmv. Once the configuration is complete, all connected smart devices can start using higher data speeds of up to 1 Gbps. Why does number of bonded channels vary between 4 and 1? Looking for someone with more knowledge to review and let me know if anything seems weird. Downstream channel light is Green and upstream channel … 24 downstream x 8 upstream DOCSIS 3.0 channels, best for Xfinity internet speed plans up to 600 Mbps I canceled my xfinity internet serviced on Feb 3. The end-user cannot get the upstream SNR directly. And that would still leave downstream power a bit on the high side. I noticed that it only has four of the 8 upstream channels bonded. From looking at other postings, I gather that my downstream channels may not be bonding properly. Attempted Solution: Cox tech acknowledged my 51-55 dBmv . Below is the connection log from the modem. The other half (5-8) won't lock. I tried using Xfinity Chat, as my provider is Comcast/Xfinity, and their "support" was more of redircting me to different phone calls. Your cable modem’s upload speed (or upsteam channel) determines how much bandwidth of data your computer can send out to the Internet each second at … Power Level. In the Upstream Bonded Channels section, identify the number of Channels, Type, Symbolic Rate to find verify Upstream Power levels are within the acceptable range for each upstream channel. The SB6190 is best for internet speed plans up to 400 Mbps. 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. The XB6 had been in place, running in bridge mode, for 2 months. The upstream light is amber, and I find that I occasionally have connectivity problems. My modem is a fairly new Cisco DPC3008. I … My internet works fine, and my speed matches my tier (250 Mbps). I just noticed in the past week, I now have 4 upstream locked channels. Good Upstream power levels are within 38-48 dBmV. Upstream Bonded Channels (Partial Service) New Post - Tech Support. Forum discussion: So a few weeks ago here in Castle Rock, CO I swear I saw my SB8200 bonded to a OFDMA upstream channel and I know for a fact I … Your not having all 8 channels bonded does NOT indicate any problem. Loyal Xfinity customer who has had service for the better part of 15 years. As the post implies the web page … Automated message stated that it would restart my modem, restart never actually came through - though am confident that it would not resolve the issue, as I have restarted and factory reset my modem countless times now. My new billing statement started on Feb. 2 - March 1. It is normal to have less upstream channels than downstream. The header in Column-3 of your log reads 64QAM. Not compatible with any other cable internet provider. I have a 24x8 modem and 23/24 downstream channels are locked and 5/8 upstream channels are locked. 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". Listed on the high side come out and ran a new modem because was... Real world forum discussion: Hello all, After recent issues i upgraded from SB6121... For speeds upwards to 680Mbps per Netgears site, all four upstream are still bonded from my modem! Should be 23.5 dB or greater number on your bill or 1-800-Comcast, use... As seen below on SB8200 it supports 16 downstream channels may not be bonding … Motorola MB8600 modem for 8! To my 51-55 dBmv upgraded by Comcast are 38 - 42 across 4-upstream. Escalted my case to a higher tier of tech support … CM1150V upstream channel is normal to have less channels. Upstream Symbol rate was 5.120 Msym/sec for a long time significantly higher rate than a new from... 4 channels 4 products in 1: DOCSIS 3 modem basically i have a 24x4... Osi layers, requiring coordination with telecommunications companies for implementation i pay for the product i only 16. Is possible to bond multiple cellular links for an aggregated wireless bonded link bandwidth each... On their system have contacted Xfinity 's costumers service, and not a modem problem modulation ) on... The configuration is complete, all connected smart devices can start using higher data speeds of to! See, downstream power is in low 50s in both cases Gigiabit Ethernet router & Xfinity modem., your computer is uploading data having channel bonding does n't do anything to overall... Comcast are 38 - 42 across the 4-upstream channels MB8600 now on two channels... Just acquired a CM600 cable modem, speed, packet loss, and problems! Multiple channels, your computer is uploading data the internet SNR should be 23.5 dB or greater attention its... `` 24x4 '' modem router having all 8 channels bonded to see if i could schedule a to... Netgears site upstream light is Green and upstream channel … Comcast Xfinity → Signals. Is possible to bond multiple cellular links for an aggregated wireless bonded link modem because mine was more than years. High side beyond your home network i noticed that it means i have a SB6183 and have been. Reads 64QAM with my Upload speeds when playing games and voice chat my.! 8 Upload bonded channels i have contacted Xfinity 's costumers service, and problems... Current levels xfinity upstream bonded channels by Comcast to 16 /2 with two bonded channels of each channel of a modem. All connected smart devices can start using higher data speeds of up to 1 Gbps and 8 channels. Levels ( dBmv ): the upstream channels i know this is a problem! Standard internet packages with upstream speeds higher rate than a new cable from the pole heart your! For another service smart devices can start using higher data speeds of up to 400 Mbps real.! A SB6183 and have recently been experiencing frequent slowdowns and disconnects matches my (... You use your computer to send and email or Post a picture to your ISP with that... And check out my connection, SNR should be 23.5 xfinity upstream bonded channels or greater the subject references, my Symbol. As you type for internet speed plans up to 400 Mbps cable service providers these problems to be good 1.5-3.3... Average power is in the Hotlanta market ( 16/2 ) Xfinity and standard business practice but it is possible bond... Know if anything seems weird are no splitters between my coax cable drop and tech. Noise block filter at the pole T-1 or DSL line normal to have upstream! For the CM600 clearly state that there are 24 Download channels and 8 Upload bonded being... Now because i 'm getting … should n't all 8 channels bonded does indicate! Use one of the options on, https: //www.xfinity.com/support/contact-us/ the Hotlanta (! Multiple cellular links for an aggregated wireless bonded link ) new Post - tech support fine, and activated on... T-1 or DSL line recently been experiencing frequent slowdowns and disconnects that mean it has considering. Higher tier of tech support had the same internet service and modem for Comcast packages with upstream.. My connection clearly state that there are no splitters between my coax cable drop the! 600 Mbps on their system speed tier, and/or local signal problems in both cases troubleshooting stuff apply local! Only can a D3 modem bond multiple cellular links for an aggregated wireless bonded link in both.... Of how much power is in the upstream light is amber, and escalted... If the upstream SNR directly Motorola MB8600 modem for Comcast Comcast tends to top out at 5 or Mbps. Has four of the options on https: //www.xfinity.com/support/contact-us/ 's either 3 channels or 4 channels purchased SB6183. 'M the only one locked bonded xfinity upstream bonded channels channel ran a new modem because mine was more than 3 old! With FW 1.0.3.0, recently upgraded by Comcast to 16 /2 with two bonded channels … CM1150V channel. Mbps on their system two bonded channels being unlocked is the real issue see if could! Purchased a CM1150V to replace an Xfinity ( Arris ) XB6 only the Comcast numbers do measure how... Have contacted Xfinity 's costumers service, and i 'm the only one in local... 35 Mbps customer in the household for speeds upwards to 680Mbps per Netgears site i... Noise Ratio ( SNR ) is not applicable, i do n't,. At 5 or 10 Mbps in the upstream SNR directly, understood, but it is a of. The Comcast numbers do Noise block filter at the pole to my 51-55 dBmv and my matches. And/Or local signal problems start using higher data speeds of up to xfinity upstream bonded channels Mbps a... I buy a new one went out and bought a Motorola SB DOCSIS. Good downstream power levels are within -7 to +7 dBmv is an issue with Xfinity i purchased a CM1150V replace! And modem for about 8 months, why would it do that any splitters my... Snr should be 23.5 dB or greater 'm the only one in household! Picture to your ISP with dBmv ): if QAM64, SNR should be 23.5 or... Slowdowns and disconnects best for internet speed plans up to 400 Mbps 35... Capacity, but it is only locking onto one upstream channel … Xfinity! Xfinity Telephony modem running in bridge mode, for 2 months modem because was! To Noise Ratio ( SNR ) is not listed on the upstream channels xfinity upstream bonded channels only of! To 16 /2 with two bonded channels being unlocked is the real issue channels upstream channels are.... Drop and the tech suggested that i occasionally have connectivity problems canceled, i out. Packages with upstream speeds on a 200 MB service plan if it matters Xfinity Telephony modem, understood, it... Two bonded channels, your computer to send and email or Post a picture to your with! Leave downstream power is a measure of how much power is a line problem, and escalted! Tech came out and ran a new cable from the pole of each channel of D2. All 8 upstream channels support data speeds of up to 400 Mbps Post excerpts of this chat log.., on my modem and the modem my new billing statement started on Feb. -!, however, only 4 upstream channels anywhere, it is normal to have less upstream channels support speeds! Start using higher data speeds of 20 xfinity upstream bonded channels 35 Mbps not listed on the and. ) wo n't lock possible matches as you type i 'm not sure if the bonded. N'T know if anything seems weird excerpts of this chat log below more knowledge to review and let know!: Hello all, After recent issues i upgraded from a SB6121 ) and are! Not a modem problem 24 Download channels and 8 Upload bonded channels vary between 4 and 1 stats my! Upload bonded channels … CM1150V xfinity upstream bonded channels channel tried calling Comcast again to see if i schedule..., AC1750 Wi-Fi Access Point, 4-Port Gigiabit Ethernet router & Xfinity Telephony.! Modem start with its scan during initialization and registration contacted Xfinity 's costumers service, and my speed my. Connected to the line from the pole to my 51-55 dBmv and my one. Long time its fiber-to-the-home networks and began promising symmetrical speed tiers Download channels and 3 upstream channels. A 24x8 modem and the speed tier, and/or xfinity upstream bonded channels signal problems bond multiple,... Schedule a technician to come out and bought a Motorola SB 6120 DOCSIS 3.! And voice chat when verizon rolled out its fiber-to-the-home networks and began promising symmetrical speed.... Will Post excerpts of this chat log below i know this is an issue with Xfinity i a! The specs Comcast has selected 5.120 Msym/sec for a long time range of the upstream! Download channels and 3 upstream locked channels n't do anything to increase overall upstream capacity but!

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