My previous Arris never had a problem once. I disconnected the CM1150V, connected a splitter in it's place, then connected the CM1150V and XB6 (Arris TG3482G) to the splitter. CM1150V Upstream Channel Problem with Xfinity, Re: CM1150V Upstream Channel Problem with Xfinity, My Setup (Cable 1Gbps/50Mbps)>CM1200 v2.02.03(LAG Disabled)>RBK853 v3.2.17.12, Model: CM1150V|DOCSIS 3.1 Nighthawk® Multi-Gig Speed Cable Modem for XFINITY® Voice. Can do this over-and-over, the problem is NOT intermittent. Still, it's a $250 piece of equipment so I would eventually like a resolution. Looking at the DOCSIS 3.0 standard, it allows for bonding up to 24 downstream and 8 upstream channels. Already tried a second CM1150V, and it behaves the same. That said, one downside is that the X1 receiver upgrade can only … Interestingly, upstream light is green (indicating DOCSIS 3.0 for upstream… An Xfinity tech was out today. Some ISPs offer it, not all though. Could be bad HW as well. It displays the correct frequencies for the other two channels, but doesn't lock them -- and the upload LED continues to flash indicating "partial service". I purchased a CM1150V to replace an Xfinity (Arris) XB6. $15 more provides access to all … That said, one downside is that the X1 receiver upgrade can only stream Netflix - not other services such as Hulu and Amazon Prime instant video (as of yet, anyway). If you're looking for a wide selection of TV packages, a state-of-the-art set-top box, plus perks like DVR service, you can't go wrong with Comcast XFINITY TV. Comcast serves homes and businesses in 40 states and the District of Columbia. Reconnecting the CM1150V to same connection, it is only locking (2) US channels. Obvioulsy I have rebooted everything numerous times. i guess that's why there were black tabs in port 2,3,4. Two challenges with my CM1150V which I recently purchsed (using Xfinity). Now that I'm getting all 4 upstream channels, the "(partial service)" text is gone from the GUI -- but the upstream light is still flashing. Comcast offers cable television, internet and home phone service. The CM1150V is activated (data and voice), the XB6 is not. Good luck getting it resolved. My current speed/reliability is fine, so I'm not screaming for an immediate answer. The Arris XB6 locks all (4) channels. Have also factory reset it. Access to Streampix: a library of movies and TV shows that you can watch commercial-free and unlimited on any device. Netgear dodges the question of the modem reporting both "full service" (via GUI) and "partial service" (via LED) at the same time, and just keeps telling me to talk to Comcast -- but Comcast has done everything Netgear asked, and the problem remains. This has to be a firmware issue as it only happens in version 2.02. When I was only getting 2 of the 4 upstream channels, the GUI said "(partial service)" above the channel list AND the upstream light was flashing to indicate "partial service". Have tried power cycle and factory reset, US light still flashes. A noise block filter had previously been ruled out, because the Xfinity-supplied Arris XB6 was reporting all (4) channels locked. I opened tickets with both Comcast and Netgear. Xfinity offers a number of different packages, so the exact number of channels will be based on your choice of package. This router meets the DOCSIS 3.0 standard and will work up to a 400 Mbps download speed with Comcast Xfinity. Services are branded Xfinity in areas where digital triple play services are available. Both run me through basic stuff I had already done multiple times, like checking signal levels, power cycling, factory resetting, checking that firmware is current -- and then they STOPPED. Xfinity TV offers television over the internet (IPTV). Day 1 of activation, all four upstream channels bonded. If you require a higher internet speed of 1Gbps, then this is not the right modem for you, you will need the DOCSIS 3.1 modems instead of MB7621. Xfinity’s lower channel … Comcast XFINITY has got you covered. When I was only getting 2 of the 4 upstream channels, the GUI said "(partial service)" above the channel list AND the upstream light was flashing to indicate "partial service". If it does, then both NG and CC need to address this. But the CM1150V continuously posts T3/T4 errors about every 30 seconds, they never stop. There is one package that stands out like a sore thumb, and that is the Limited Basic package. Have you changed anything on your side? Firmware is reported as V2.02.03. As I said, my speeds are as provisioned and service is solid, so it isn't that critical I guess. The problem I am having is that I have an ethernet cable run right from the modem to my computer (from port 2), and then an ethernet cable running to my router out of port 1 as instructed in the manual. The top 100 shows are preloaded and ready to watch. Last time we presented an article on channel bonding (CB), covering a variety of technologies. Xfinity cable TV prices start at $20. Our partners cannot pay us to guarantee favorable reviews of their products or services. Additionally, if you subscribe to Limited Basic only with an HD receiver rather than a standard set-top box, you'll be able to watch all the channels in HD without the additional HD service fee. Could be bad HW as well. Disconnect it, connect CM1150V, and CM1150V only locks (2) channels. So I don't think the Arris XB6 was actually locking those channels either, even though it said it was. The exact cost will depend on your area and the package you select. Signal levels are of course degraded a bit for both, because of the additional splitter, but are still within operating range. The exact price depends on your area and the package you choose. Xfinity basically says "If our XB6 works and locks all 4 US, but the CM1150V does not, then the problem is with the CM1150V." Comcast XFINITY TV offers several premium movie channels, beginning at $10 per month. You won't know if it's fixed until NG does a fix and gives it to CC then they have to test it out and make sure NG didn't break anything. I procured a second CM1150V, and it behaves exactly the same way -- it only locks 2 US channels. Never solid green like all other lights. I have the same issue on 1.01 US locked 3 channels with no issues.. when it went up to 2.02 I had TONS of T-3 and T-4 errors and US would not lock more then 1 channel... tried other brand modems and they locked fine with no issues or T-3 / T-4 errors. However, when I have them both plugged in at same time, only 1 works at a time; meaning only 1 can access the internet it seems. Once the tech removed the noise block filter at the pole, the CM1150V immediately locked all (4) channels. It won't be quick I presume. Subscription to the HD Technology fee is required to view HD, except Limited Basic channels. The upstream channels, however, only half of them lock (channels 1-4). It still would only lock (2) of the (4) upstream channels. If you have a DOCSIS 3… Free Xfinity Flex streaming box and free Peacock Premium (for internet-only customers) Free premium channels (with select bundles) Final take: Is Xfinity TV worth it? You might try another same model cablemodem to see if the problem continues. The CM1150V only locks (2) US channels. My internet works fine, and my speed matches my tier (250 Mbps). I put the XB6 back in place, and confirmed it still locks all (4) channels, so this doesn't seem to be a wiring/interference or infrastructure issue. Here you'll find the full list, but some examples of music channels that you'll have access to on Comcast cable are FM, Music Choice 90's, Music Choice Adult Alternative, Music Choice Blues, Music Choice Classic Rock, Music Choice Classical Masterpieces, Music Choice Dance/EDM, Music Choice Metal, Music Choice Pop Latino, and more. Our partners compensate us. Rob has 15+ years experience in the US and UK running price comparison sites for cell phone plans, smartphone deals, TV, and internet. Not sure about your problem -- sure does sound like it is related to the firmware upgrade though since it disappeared when you rolled back. No problems with the CM1150V, the upstream issue was all from a previous Xfinity/Comcast tech installing that noise block filter at the tap. These US and DS levels seem to indicate good cable and connections. I'd use the Arris SBV3202, but it isn't Comcast-approved for future gigabit service which is why I went with the CM1150V -- but am keeping the SBV3202 as a backup / emergency spare. The CM1150V is only locking (2) US channels on the same cable and connector. Surprisingly, the router is a bottleneck to the modem, whose powerful 1.5 GHz processor and 32×8 channel bonding can theoretically pass through a max upstream of … The downstream light does show blue on the front of the modem (indicating that DOCSIS 3.1 is being used for downstream). Not sure if this is related to this post, or if I need to start a new one. The modem indicates 3.1 / blue on the downstream but the upstream is showing 3.0 / green. Learn what speeds to expect with your Xfinity Internet service. MoneySavingPro believes everyone should be able to cut their bills and choose the best deal based on their individual requirements. Correct? No idea when or why it was installed. So basically I have a "24x4" modem router. If you have it. if you fix the coax/line/plant issues and all 4 upstreams are locked. 2d. So, If unplug my laptop, the router will start connecting to the internet. The upstream light is always flashing green. For normal operation, connect your router to port 1 of the modem. If you're on the hunt for a decent provider with a broad range of packages to select from, then Comcast should be considered. The CM1150V is a modem, not a gateway or router, so it has no routing capability. I got v2.02.03 flashed the very first time I connected the CM1150V (27-Mar-2019), so cannot compare to older firmware. While our site doesn't feature every carrier or provider available on the market, we're sure you'll be able to make significant savings from the information we provide and the free independent tools we create. It also allows choice of 10 cable channels. Unfortunately, cable providers like Comcast have had trouble enough meeting the demand for 8 downstream and 4 upstream channels. Limited Basic service required to receive other services. Also tried an Arris SBV3202 -- it does not indicate any service problems. Can you connect both them at same time using splitter ? I don't believe that Comcast has implemented 8 upstream channels anywhere, it's either 3 channels or 4 channels. DOCSIS® 3.0 compliant designs Up to 8 downstream and 4 upstream channel bonding Tuners support two 48MHz blocks each consisting of up to 4 bonded channels High performance … The other half (5-8) won't lock. Possbile ask about a FW downgrade as well. You'll need to connect your router to the modem, and your other devices to the router. The ISP should be able to fix this. It is a Comcast … Please reset to confirm if you have 2 or 4 US channels. Comes with roughly 80 more channels than the Digital Starter- giving you over 220 channels to watch. Day 1 of activation, all four upstream channels bonded. Here's what the XB6 reported for upstream channels: Xfinity says the CM1150V is provisioned correctly, and should lock all (4) channels. Day 1 of activation, all four upstream channels bonded. Also, my router is plugged into Ethernet Port 1. Drop, cable ends, moca filter, and single splitter have all been checked and swapped out. Day 2, two upstream channels dropped and only two upstream channels remained bonded. However, this information may be different than the information provided by the companies we cover. (of course internet will only work on one of them and but it will be useful for comcast folks to monitor it), 5. Its sort of like a car with a temp gauge that says everything's fine, but the overtemp light is flashing. How can we provide this service for free? out of my modem's 32 channels?!? 2c. Yes. The modem provides 32 downstream channels along with 8 upstream channels for DOCSIS 3.0 and 2 OFDM downstream channels along with 2 OFDM upstream channels … Day 3, one more upstream channel dropped and only one upstream channel … Never solid green like all other lights. Port 2,3,4 will only work if you have Multiple IP service package for different IPs. ???? The current levels provided by Comcast are 38 - 42 across the 4-upstream channels. 2b. But my upstream problem IS fixed...  Channel status now shows all provisioned channels locked, and the "partial service" text is gone from the GUI. I am curious about this as well. This may influence which plans we compare and review and write about, but it does not effect our recommendations or advice, which are based on thousands of hours of research. Disclaimer: At MoneySavingPro we try to keep our information as accurate and updated as possible. There are several sports packages to choose from with XFINITY TV service: There are plenty of music channels that your ears will be begging for. used?) Contact the ISP and have them check the signal and channels for you. I put the CM1150V back in place, and it still only locks (2) channels. I am curious about this as well. I have v2.02.03, am currently locking all provisioned channels US (4) and DS (31+OFDM), and have no errors in log. Day 2, two upstream channels dropped and only two upstream channels remained bonded. That implies a CM1150V firmware problem, erroneously flashing the LED when no problem exists, but I don't have enough data to conclusively prove that. Looking for a range of channels with a Latino flair? via tickets with both Netgear and Comcast, I feel like I've already gone further than any customer should have to go. NG ticket #41178878; I never heard back after my last follow-up. This topic has been marked solved and closed to new posts due to inactivity. 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