What are correctables and uncorrectables. The C CWE (correctables) show zero for 4k QAM and 100% (1.
What are correctables and uncorrectables Im just confused how a switch after the modem could be the fix. The C CWE (correctables) show zero for 4k QAM and 100% (1. What’s happened so far, node replaced, new line from pole, new line inside to equipment, new amplifier. Something the ISP should take a look at. Still happening. Correctables are soft they mean something caused them but they were corrected/repaired and the world moved on. Is this normal? I did my homework and there is an old post from two years ago with the same question but it was with MB8600 and the responses were all saying it was a bug with the firmware. 3 years ago. After using it, I noticed a lot of lag and stutter when streaming content (youtube, netflix, etc) on my smart TV. I should note, I do play online games from time to time with VOIP and haven't noticed issues there, but those are only played late at night outside the normal working hours for most people. I believe this is a reason for why my internet isn't as fast as it should be. Your SNR is great, as are your power levels. Usually if the downstream is high, the upstream will be low. Dave9. I have installed the MoCA filter to the back of the modem, replaced the 2-way splitter, and capped the ends and my modem no longer reports uncorrectables, though a ton (seemingly more than before) of correctables on the OFDM channel though I do not seem to be disconnecting anymore. 6 dBmV 40. 0 signals. Probability notation follows similarly to density functions, but with p, and in contrast to the density functions, probabilities Correctables range from 13-378 (as frequency increases, Correctables INCREASE) UnCorrectables range from 62-98 (seemingly no correlation with deltaFrequency) Upstream: PWR Levels: 49. The large number of uncorrectables on all channels combined with the rapid cycles of event ID 16 and event ID 24 indicate wideband noise ingress on the line or a failure of a device such as an amplifier. And the modem will lock up and have to hard power cycle. 100. The correctables on 1 and 32 do seem high, however more concerning is the uncorrectables counts you mention. I also really appreciate you taking the time to be so detailed and providing all the reports that you have. 5 dB 0 0 7 Locked QAM256 7 501000000 Hz -1. 4 dB 0 0 4 Locked QAM256 44 411000000 Hz 2. Lines splitter, attenuator, amplifier, kinked cable, bad cable, moisture in cable, corrosion to connector. 2 dBmV 42. here's what it usually is: 1. Channel 23 is really trashed all the way around with downstream upstream and SNR. 8 dB 135 147. I do notice that the power is almost in the range of being a "suck out" but looking for opinions. profile we see that C CWE (correctables) are at 100%, while U CWE (uncorrectables) are basically at zero. 0 dB Thank you for joining us here on r/Comcast_Xfinity, your official source on Reddit for help with Xfinity services. What could it be? The problem here is that there is no way for a support rep to see anything more than your modems signal levels and if it has an authorized bootfile. I have had no previous problems for the 2 years I have owned the CM700 modem and Nighthawk 7800 combo. gjett1. These packets are dropped and therefore slow speed. The Uncorrectables on Channel 1 are at 65M (from 21M last night). This is unusual and indicate short bursts of severe interference. 8 dBmV 39. From what I can gather, the power and SNR levels are OK, but the corrected/uncorrectables are extremely high. What else can I check here and what can I do? My last disconnection was on 6/6 and I get so many notices the logs were pushed off. - you don't need the pliers, just make sure they're finger tight. Correctables are errors the modem was able to correct. Volpe is a frequent presenter at industry trade shows, conferences and regional seminars. change splitters and coax. It’s normal for the OFDM channel to have correctables and uncorrectables, it is not a cause for concern. SNR is too low as well. Thumbnails: Downstream/Upstream - View attachment 25103 View attachment 25106 View attachment 25105 Event Log - I appreciate the data, and the clarification on VMware Horizon, that's not a tool I've run across before. 2 dBmV44. Currently I use a mib browser and query all the modems on that particular upstream port looking for uncorrectable amounts that stick out, document them and then recheck a few minutes later. I'm a newbie. 3 I also see more Correctables and Uncorrectables. 1 Locked QAM256 13 501000000 Hz 4. 1 Ready Business, Economics, and Finance. The modem has been going for 18 hours now 0 uncorrectables, 64 correctables. 9 dB 116 142 Correctables and uncorrectables can be a bit deceiving. I would get T3 and T4 disconnection critical errors when my internet will drop out. Below is the current status for the cable modem after being up for 24 days. The easiest way to identify this channel is that the modulation type will be displayed as “other”. 3 dB 0 0 5 Locked QAM256 45 417000000 Hz 2. 9 dBmV 36. 7 dB 0 0 2 Locked QAM256 42 399000000 Hz 2. Large number of Uncorrectables causing internet to be basically unusable. Hardwired Internet speeds are good and I'm working on addressing the wifi issues from my AX88U router. 4 Locked QAM256 12 495000000 Hz 5. If those are from 10 months of uptime then its not bad at all. They removed an unnecessary splitter from the main switch/box on the home, power values on each channel are now lower/better but I cannot get rid of the two lowest your errors are accetable except for 1 DS carrier with the high correctables. Can you please elaborate on the exact issues you are having when using the internet? Is it just voice chats or have you lost connection to other services? How long does the problem last? Does rebooting normally resolve it? Update and perhaps may help someone else. 0) has accumulated over 3 million correctables in only two days of up time. In the course of troubleshooting, I check the modem signal levels myself, and see the below. Uncorrected and corrected errors. Since then, the internet seems a bit more stable but I am still seeing large amounts of correctables and uncorrectables. Hello. I contacted xfinity and they did something on their end, but it did not work. I'll get brief disconnects where my router shows the connection High correctables/ uncorrectables and loss of connection Over the past several months, the connection has been cutting out with T3 errors several times a day. 1 always looks I am just wondering if ya'll have an easier way of locating a modem(s) that is putting out a lot of uncorrectable data on the upstream port. 3dBmV 51. One of the channels is not locked (Ch 30) and it has a bunch of correctables and a few uncorrectables its been up for 7 and a half hours. Downstream Bonded Channels Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables 1 Locked QAM256 32 555000000 Hz 1. This topic has been marked solved and closed to new posts due to inactivity. See below. Head to 192. 9 dB 135 126. This is causing lag/ping spikes and disconnections from game servers, as well as issues with anything that is "real-time". Issue is not noticeable when watching YouTube etc, due to the buffer. You can post for technical support, advice, or Notice how the uncorrectables are much higher than the correctables. It's all the *other* channels that are racking up uncorrectables (despite signals being decent). You can post for technical support, advice, or Having high uncorrectables. 9 dBmV 41. 23 hours ago. The first thing to do is go to all the various coax outlets throughout the house and make sure all the connections are tight, including on the back of your modem, cable box, the outside of the house, etc. 5 dBmV power, which of course Arris points to and says does not meet its acceptable range. It sounds like the next step here is for us to look into our systems, so please send us a direct message, using the following instructions: Uncorrectables however means the corrupted data had to be resent and can definitely cause connection issues. I've been trying to improve internet consistency these past few weeks and have been noticing a potential point of failure. You have uncorrectables on 3 channels. He has published numerous articles in worldwide trade journals and authored several white papers on DOCSIS protocol and VoIP test and analysis. As mentioned Find your modem's diagnostics page. It's only a problem when the percentage of errors (relative to total packets transferred) grows high enough to impact performance or stability. 00) uncorrectables for 4k QAM. 1 channel. 9 hours ago. noiwontchooseuser Downstream Bonded ChannelsChannel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables 1 QAM256 465000000 Hz8. I live in Springfield, VA. It's likely the number is below 0. You will always have correctables, but keep an eye on the uncorrectables. 0 channels all have 0 uncorrectables and only 1 channel has 26 correctables. This problem showed up recently and seems to be specific to several channels in the 600 Hz range. Downstream Bonded Channels Channel LockedStatus Modulation ChannelID Frequency Power SNR Correctables Uncorrectables 1 Locked QAM256 4 405000000 Hz 3. Hello! I have been having regular (though somewhat intermittent) Internet issues for the last 2 months. I just took a look at my modem status page and it had a lot of correctables and uncorrectables on all downstream channels with Your upstream power levels is super high. Thank you in advance for your help! Startup Procedure Forum discussion: I dont know whats going on with my connection, but I am having high correctables and uncorrectables in just under two days of modem uptime. 2 Locked QAM256 10 483000000 Hz 5. Yes those correctables were corrected but that is way too many to be corrected in the first place. I see correctables and un-correctables that should be zeros. I had a Cox Technician come out mid-December and he diagnosed the issue as being a problem outside the Unit (On Cox's end) and said he'd have to have his supervisor/boss/next level tech handle the issue. Reply. boogagary. Not sure what would cause these. that one looks like its got an issue somewhere. Considering S33 is a relatively That’s why you can’t see your correcteds/uncorrectables. The uncorrectables on certain channels are huge and these numbers are only from the last two days. Crypto Already a straight drop to modem. Hello, Correctables Uncorrectables 1 Locked 256 QAM 21 579000000 Hz -9. Forum discussion: At what point do uncorrectables become an issue that needs a technician to address? Prior to the upgrade I was seeing thousands and thousands of uncorrectables after a day or two of uptime on the modem. There seem to be three (one LE and two mini-bridgers Degraded download speed, downsteam bonded channel not locked, large uncorrectables. riffeykimberly. 3 dBmV 42. It's nearly flawless for Docsis 3. I am having this problem on every channel operating between 649-813MHz. My downstream power stayed the same but my upstream power dropped 20%. 6 dBmV44. 27K subscribers in the Spectrum community. Additionally, the number of uncorrectables on the modem starts out and stays low for about a day but then exponentially grows. Be sure there are no coax cable line splitters in the between the modem and ISP service box. Are you having any issues with your Internet connection? Reply reply Forum discussion: Since the few days with the extreme cold (overnight lows around 0 deg F) the Zoom 5370 is showing a few correctables and some uncorrectables on the 16 channel spread of locked 3. Reply As a technician, I would say 1-2 in a matter of 24 - 48 hours would be normal. No question is too small, but please be sure to read the rules before asking for help. Contributor II. something in the line. Also see same Notice type in the Event logs. Uncorrectables are hard errors, damaged packets that were not repairable. Unfortunately, none of these steps have made a difference. They'll be able to check other modems on the same leg as yours and determine if the problem is inside or I have a Netgear CM1150V cable modem. If you don't have that. It's the uncorrectables that you'd be worried about, but yours are all at zero. Those uncorrectables are in your downstream not upstream. Are the values for the Correctables and Uncorrectables normal? Also, are the power Okay. Also, you look filtered. Speed test show +200 Mbps so it is not the speed, but I looked in the log and the setup and restarted it . Community Specialists will provide official support between the hours of 6:00am - 12:00am Eastern Time I'm worried about the uncorrectables. . Mr. I'm on an up-to 300Mbps plan and until ~2 months ago was receiving consistently >150Mbs over WiFi, which was Hey, @SammyFL, thanks for working with our awesome expert to get some clarity on your connection issues. 2. I just had a tech out on Friday, he said when he was testing his "Meter Correctables are where there is enough Checksum data to rebuild the missing data. fast. I've had this new CM2050V for a few months, and this problem just recently started. This means most traffic is flowing over the 1k QAM profile. More correctables and uncorrectables, 3 upstream instead of 4. Uncorrectables. I also have a lot of FEC errors on downstream with a pretty high ratio of uncorrectables to correctables. only locked into 1 us carrier and its a Just thought I would follow up. But I get a daily T3 not a T4. 3 dBmV 40. I am using good splitters, RG6 coax. HomeNetworking is a place where anyone can ask for help with their home or small office network. I am wondering if the few uncorrectable errors I am seeing now after a little over a day of uptime are considered 'normal'? Given the amount of time and effort I have put forth towards troubleshooting, hardware upgrades in home However there are Correctables and Un-correctables that should be zeros. Observed for a few hours. 1 dB 455 0 2 Locked QAM256 2 5 looks like a coax amp on comcast's network went and your modem is trying to talk on 22 & 24 but isn't even trying on 17-21 and 23 call them and say "everything past channel 16 on my modem isn't working and im getting disconnects & T3 timeouts " Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables 1 Locked QAM256 30 615000000 Hz 4. A very low number could Correctables - Or CRC errors - Aren't necessarily bad; your modem will inevitably have some error'd bits it needs to correct, and, it has 0 "uncorrectables" which means that all of the errors were corrected. This is after 1 day (seems to have occurred at night). 1 channel on my modem appears to have uncorrectable errors that are constantly increasing on average 600 errors per minute (stdev = mine started just about 2 months ago. Unplug your modem for several minutes and then check Yeah, adding a splitter or other attenuator would raise the upstream levels, but you have downstream issues now. 7 dBmV Note: Uncorrectables plus unerroreds plus correcteds equal the total number of codewords (CWs; also known as FEC data blocks) received on this US, including all CWs, whether or not they were part of frames destined for the CMTS. 4 correctables and uncorrectables : מישהו יכול להסביר לי ממה השגיאות האלה נגרמות ועל מה הן משפיעות? אחרי שיחה עם HOT הם טוענים שזה תקין? כמות ענקית כזאת Correctables / UnCorrectables: What is considered "acceptable" ? 10 years ago. https://tinypic. I have a Netgear CM600 modem and have been receiving uncorrectables of hundreds of thousands and millions in a very limited uptime (< 24 hours). WiderMouthOpen. It tends to indicated you're close to a hub (if the downstream is higher) so it doesn't take as much power and the upstream will be on the lower end. 168. They should be able to run a full spectrum scan at the point where you plug your modem in, and the tap at the pole or pedestal. Does your modem ever reset itself (US/DS lights start flashing followed by an online light flashing until they go solid) if so then your modem is definetely dropping offline. Thank you for joining us here on r/Comcast_Xfinity, your official source on Reddit for help with Xfinity services. Check to make sure all of your connections are still hand tight. I am hoping I can get some help here because Cox wants to charge me $5 more per month for "advanced technical support" to solve this service level problem. On the right side they will be a column for correctables and uncorrectables. As members of the Digital Care Team here at Xfinity, we can help with a wide array of concerns including troubleshooting, billing, plan changes, and more. Tried unconnecting reconnecting coax cable into the router, tried rebooting router 100000s of times. 3 Locked QAM256 11 489000000 Hz 4. You have the 200Mb plan im guessing, to me it looks good. All of last week, while I was trying to work from home, my download speeds kept dropping significantly. aswjkz6841. A forum for the discussion of Charter's Spectrum service. I am seeing a high amount of uncorrectables on two downstream channels on my SB8200 that I do not normally see. less than 200. 4 dBmV45. Correctables / UnCorrectables: What is considered "acceptable" ? 10 years ago. The support person said they boosted the signal. The low MER is indicative of a physical impairment. If you blow too many holes in the data stream then you cannot rebuild the packet and there for it's un-correctable The large number of OFDM correctables seems to be common with DOCSIS 3. 0 dBmV43. 3 dBmV I would copy/paste my logs, but all I have are screenshots of the old log, split between 2 separate images. I got a new router and I'm still having this issue if Modem stats page shows the huge number of correctables (like in millions after 5 minutes after modem reboot) and large number of uncorrectables (in hundred thousand) for certain frequencies. No change. nope, correctables and uncorrectables are both at 0 on all channels Reply reply more reply More replies More replies More replies. The Upstream levels are passing. 5 years ago. com is around 200. I've also ordered a new cable modem. There has been an issue as of lately and noone wants to recognize it. Uncorrectables on ALL downstream channels. Do you think that is the case with my situation? Business, Economics, and Finance. 2 dBmV 41. Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables 1 Locked QAM256 17 525000000 Hz 2. 1 dBmV 39. 0 dBmV 41. When the modem was new, it was always bonded to 4 channels, and it started only bonding to 2 and occasionally bonding to a 3rd every once in awhile but quickly dropping it a month or two ago (Before I threw it into bridge). Hello and thank you in advance for any help. Model: CM1000|Ultra-High Speed Cable Modem—DOCSIS® 3. Make sure the tech looks at these logs. Looks like you have cable issues. This is literally the only device Correctables - Or CRC errors - Aren't necessarily bad; your modem will inevitably have some error'd bits it needs to correct, and, it has 0 "uncorrectables" which means that all of the errors were corrected. 5 dB003 QAM256 423000000 Hz7. What are DOCSIS codeword errors and why are they important? When it's time for cable operators to dig deep into their network to measure performance, codewor How many correctables are "normal"? I know in a perfect world there would be zero, but I am getting millions an hour. When I log into my modem router, a number of "downstream bonded channels" correctables and uncorrectables are stuck on 0. 1 dB002 QAM256 417000000 Hz7. Similar posts on this subreddit seem to indicate that it is time for a tech visit. Uncorrectable codeword errors in a DOCSIS network is a sure sign that a subscriber somewhere on your network is losing data. Click to cancel. If you remove the bad stick, do you still get any errors? The density function of f AD (n AE) is equivalent to the probability of DIMMs that have n AE errors with AD whereas the cumulative density, F AD (n AE) is the cumulative probability of DIMMs that have any errors up to n AE inclusive. I am not even getting the speed I am paying for so At the new (to us) house however, the Zoom 5370 cable modem (docsis 3. Latency, or ping is coming up between 31 - 44 ms with various broadband speed tests. That gets their attention real quick. More considering most of those uncorrectables are on the low range (111/117 Mhz) it could be inducted interference from a power line somewhere. Yesterday the channel 159 Uncorrectables around 35K. Is Arris Correct? 9 years ago. Recent Discussions. Since that time I've been monitoring my count of correctables and uncorrectables and noticed the uncorrectables seem to be climbing rapidly. heres screenshots Search Everywhere Threads This forum This thread IF there are lots of correctables and un-correctables, which should be mostly zeros, Be sure there are no coax cable line splitters in the between the modem and ISP service box. Forum discussion: I know correctables are normal, even in the hundreds of millions, but what about uncorrectables? After about 24 hours of uptime I'm at thousands of uncorrectables on the 3. It makes for packet loss and slow loading of websites. Be sure the ISP provisions the modem correctly. Once ROBV has completed, if uncorrectables are still occurring, your Dell EMC Technical Support Engineer will need to execute additional steps including collecting and analyzing Storage Allocation Table information(SAT) to identify the specific user LUN(s) affected (the internal LUNs where the uncorrectables were found will be mapped to the Downstream signal levels are too low. I have purchased the Netgear CM1000, and Netgear Nighthawk R7000. That amount of uncorrectables over the course of 29 days is nothing to worry about Aug 8, 2020 I logged into our Arris SB6190 modem and noticed that uncorrectables are 10x correctables. 3 dB 36457 2121 2 Locked QAM256 38 429000000 Hz 5. Start with removing any amplifiers, signal attenuators, or splitters from the coax. For many modems, this is "192. 01% which makes it a non-issue. As others have noted you should check your coax connectors and cable. The line from your provider is bad. Arris SB6190 and "Uncorrectables" I have Comcast as my ISP and my SB6190 has been quite reliable until the past couple of days. Current: I have used both a 2-way splitter (-3. We hope you'll join the conversation by posting to an open topic or starting a new one. Ok, ya still seeing correctables and uncorrectables, especially on the higher channels that should be zeros. Divide the number of uncorrectables by the total number of octets. Update after 12 hrs. 8 dB 997 Interesting. Zurq. 7 dB 148 144. Show More. 4 months ago. I get varying speeds throughout the day. This is easily reproduceable. Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables. For uncorrectables, the key is to notice an issue and then monitor it. fragilityV1. I'm at my wit's end here and really need to get this resolved. 4 dB 0 0 3 Locked QAM256 43 405000000 Hz 2. if you have tv service one downstream channel is used for tv, and you wills see uncorrectables on it. Correctables Uncorrectables 1 Locked QAM256 9 531000000 Hz 5. Don. Hi Cox Support, I have been having the same trouble internet problems for many years. I've seen only a few dozen uncorrectables where before I would get bursts of thousands, and would notice significant "hitches" in my internet connection. Internet speeds subpar. 7 dBmV 38. 7 dBmV: 39 Some errors are normal and are handled at either the network or transport layer. Wired connection, even though there's a splitter - it is reproducible without it. 1 modem to take advantage of Gigablast hoping it would resolve things, but it's just gotten worse. Going over on data?? 59 minutes ago. All through my Linksys router. The slow speeds continue, and the high number of uncorrectables is a persistent worry. 9 11 0 No uncorrectables, and 0 to 3 correctables per day depending on channel. Any advice, suggestions, or insights would be greatly appreciated. 6 dB 50 0 but keep a eye on your uncorrectables and other packet loss after you add it. If they start getting really high than i would call and get a tech out there to see what is going on. The large number of uncorrectables on all channels combined with the rapid cycles of event ID 16 and event ID 24 indicate wideband noise ingress on the line or a failure of a I attached a grounding wired to the cable splitter in the basement and the numbers of uncorrectables are now at zero since last night, and the internet hasn’t crashed yet, could this Arris sb8200 modem, 1200 mbps service - Up until recently (about a week now), my correctables and uncorrectables were always close to zero. 9 years ago. But if it did fix it. Googling suggests installing a MoCA filter might help, so I've ordered some. 5 dB) and a 4-way splitter (-7 dB), and I'm still facing uncorrectables and errors. djvelocitee. 3 hours ago. You should see columns. Thanks in advance. This can be very time consuming Ya there should be very little or zero un correctables or correctables. CM700 Internet Dropping and High UnCorrectables My internet cuts out for about 15 seconds once every 20 minutes. Plans going forward is to replace the Internet Hiccups and High Uncorrectables. 4 dB 0 0 2 Locked 256 QAM 9 507000000 Hz -9. That's normal given the sheer number of bonded subcarriers in that channel. 9am - 4pm, then is clear until I play online games and this is affecting my connection really bad. 1. your SNR for some channels is low and also tons of uncorrectables. Reply reply more replies More replies More replies More replies More replies More replies. 5 dBmV 40. If it’s from 10 minutes of uptime then it’s pretty bad. These issues just seem to continue to get worse. This month’s Ask a Broadband Expert features Brady Volpe, a highly respected speaker and industry thought leader on broadband. Make sure to file a complaint with your local public utilities commission online. it would go off here and there but nothing like is has been. Upstream channels are 1 through 4 and have 44. What are Correctables and Uncorrectables? Correctables are errors the modem was able to correct. Wifi. @EG provided some great insight and put you in the right place for help quicker. 1%), and the OFDM channel for DOCSIS 3. So the modem basically halts to correct all of those correctables and once it gets caught up it says ok you may commence normal operations now. Per-Modem FEC Counters That is a huge decrease in MER with an expected decrease in performance. I am noticing a really high "corrected" count on channel 159, which is the only one that uses OFDM PLC modulation. 3-44. 6 40. 3 dBmV 51. Be sure your using good quality RG6 coax cable up to the modem. and have setup a script that Hello. 1. Make sure all fittings are tight and try testing straight from modem if you are using a router. Correctables keep going up but the uncorrectables seem to be stable. A guy from my ISP told me this is probably an issue and so I should get a new router. It's usually in the thousands by now. Signals did improve slightly, but didn't appear to be fully fixed (still got thousands of So I bought the Arris S33 DOCSIS 3. Very many Correctable, and uncorrectable codewords. high number of uncorrectables. 0 dB005 QAM256 585000000 Hz7. It seems to be working fine and everything looks good to me except for OFDM PLC, which has a huge number of correctables. The problem could be on their end, or it could be your end. speedtest. 3 dBmV44. 1 - what are your modem levels, uncorrectables, and correctables numbers. 1 modem. @XfinityValerie This is what doesn't make sense as my downstream power is in spec around +2 to +3dbmv and upstream around 44dbmv. I'm getting sporadic errors on channels 1-31 and tons of correctable codewords on OFDM channel. I have gone and purchased my own modem and router, so I have access to all GUI. I had assumed that variance was probably just from something like amplifier tilt/slope adjustments not being tuned quite right. 1 modems and is probably not a cause for concern. AnonymousCompla. Speed tests show that performance is right at what we pay for, 30Mbps down 5 Mbps up. Looking at the fitting behind the wall plate would be a better place to check. I logged into my modem status page and saw I was having a lot I am not experiencing any correctables nor uncorrectables so I am sort of left without an easy excuse for why this isn't working. The size of a CW is determined by the modulation profile. It's also possible that there's a static charge on the line (though I'm not sure it would present in this way), but you could try grounding the signal (center) pin of the coax to the shielding (which is Posting back with a post-Comcast tech visit. Low power, high correctable, uncorrectables. My Docsis 3. Let's take a deeper look into your signal from our end. I wouldn't have noticed the Recenly there is high ping and streaming is hard and gaming is even harder. But cables can be Uncorrectables with MODEL: TM3402A; Seeing large number of correctable and uncorrectable errors when accessing cable modem. 4 dB004 QAM256 411000000 Hz6. Correctables: Uncorrectables: 1: Locked: QAM256: 11: 843000000 Hz: 11. I did power off all Panasonic phones and my Jabra Pro headsets. ) I'm on the Blast package (300 Mbps down), and while the internet never goes completely out, my speeds However, when I log into this modem’s admin page, the downstream power levels still have a large range in the decibels, and there are a large number of uncorrectables (the numbers in the attached image reflect only 24 hours after Any ideas for what I should do and whether this should be fixed or not? The first (contractor) tech that came out for this issue blamed the drop cable (which was 30 years old), so he replaced it with a temp line and claimed my issues would be solved once a new buried line is put in. What could be the problem? 7 years ago. I already called tech support, and they have a back end tech looking into my connection, but I just wanted to try and understand more of what I am looking at on my Modem's status screen. So much isn’t told by just this snapshot tho. I'm a 10+ year Comcast customer; physical exterior wiring untouched since initial customer onboarding. Correctables vs Uncorrectables : Help Interpreting Hello, I have been having constant and consistent latency issues with my ISP. Low Download Speed with Significant Amount of Corrected/Uncorrectables. Then the modem you are using has that feature blocked Correctables / UnCorrectables: What is considered "acceptable" ? 10 years ago. Top 1% Rank by size . 2 dB 273 462 2 Locked QAM256 1 369000000 Hz 4. CatzAndDogz. Transfer service. You’ll have to get your own modem for that or switch to the old Samsung boxes and modem they used. Low Downstream Power, High SNR and Uncorrectables . CraigP. That doesnt mean there is not an upstream problem though. I recently purchased a new DOCSIS3. 5 dB 308816 51044 3 Locked QAM256 39 435000000 Hz Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables 47 Locked QAM256 675000000 Hz 5 dBmV 41 dB 0 0 48 Locked OFDM PLC 850000000 Hz 4 dBmV 41 dB 477654 0. Attenuators are put on by Cox. Have the ISP check the signal and line quality UP to the modem. At least it does on my Motorola on which the correctables and uncorrectables columns will stay at zero for hours if there aren't any problems upstream. Before it was only bindgon 8 channels CM1200 - Uncorrectables on every channel - Internet dropping every hour Hi Guys - Over the past 48 hours, our CM1200 has been losing internet access multiple times a day, sometimes once an hour. The DOCSIS 3. All this leads to connection disconnects that last anywhere from 10 seconds to a minute. Downstream Bonded Channels; Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables; 1: Locked: QAM256: 42: 447000000 Hz-0. 9 dB 1295 748 3 Locked QAM256 2 375000000 Hz 4. Contributor III. 25K subscribers in the Spectrum community. The OFDM carrier will usually show a fair number of correctables. The uncorrectables for the QAM channels have to be compared to the total number of octets sent to be understood (and trust me, it's going to be something like less than 0. Barrels do go bad but probably not the issue. These issues tend to occur between approx. Most modern modems do have such a feature to aid people with solving technical problems. DOCSIS codeword errors and uncorrectable codeword errors have been available as a troubleshooting aid in CMTSs for sometime and are not becoming more prevalent in test equipment. 2 dB 0 0 8 Locked QAM256 8 507000000 Hz -2 dBmV *It seems to go up a thousand un-correctables at a time* comments sorted by Best Top New Controversial Q&A Add a Comment if you're still having problems then you'll have to have a tech come out and look and address the uncorrectables. Also my speed tests from the Cox gig site suck. Usually the best bet is to When uncorrecteds start building and you start having connection or speed issues there's a problem. Then I guess right? The old switch was 5 years old. What actual issue are you having aside from seeing numbers on your modem? But usually it's like absurdly low or over 1% and you see a lot of problems other than just correctables. Like you said, higher accumulation of uncorrectables are where a problem indicator comes into play. Following the change this issue seems to be corrected. It happens randomly, sometimes it's good (0 correctables 0 uncorrectables) or it's all over the place. Also note the rather high Correctables Uncorrectables 6 Locked QAM256 6 495000000 Hz -1. Most of the time this happens We would like to show you a description here but the site won’t allow us. The chart is I entered the modem diagnostics this morning and took another screenshot roughly 22 hours later and the number of "correctable" errors has increased significantly. OzzieMike. But I still get Uncorrectables and T3 Errors each day for the past several week. you should get ISP to fix the line or check if this is caused by your in-home wiring or splitters. Internet Connectivity Issues (High Uncorrectables One Channel) 2 years ago. brian1775. to Dave9. Crypto @Robert85 can you post the whole table?To copy the whole table, top to bottom, left to right, select the left side initially, then scroll right and use "shift" + "mouse click" on the right hand corner, that should select the whole table. The amount of uncorrectables varies, but is still very high for all of them. You will see in the SNR graph that there are occasional drop outs in the SNR completely causing some packet loss. When I reboot my modem the connection page zeros out everything and as channels come on line the table populates. net is around 100-200. Community Specialists will provide official support between the hours of 6:00am - 12:00am Eastern Time (see images of examples), along with increasing uncorrectables on that channel. Replacing the faceplate is most likely pointless. 9 dBmV 42. We would like to show you a description here but the site won’t allow us. Restarting the CM1200 brings back access, but it's very bothersome and much worse than it's ever been before. 8 dBmV 50. Everything starts from zero on a reboot except the event log. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. 2 years ago. (They were probably occurring earlier too. That would be on both t3 (correctables) and t4s (uncorrectables) Reply [deleted] As a field tech, the MER is great. host/i/ohfazh. It has been getting worse lately. Massive number of uncorrectables and correctables on certain frequencies New Post - Tech Support Long story short: I've been getting intermittent connectivity issues for two or three weeks now. whats it mean when modem has tons of high correctbles ?? the uncorrectbles are ok i think <tabindex=-1>Downstream Bonded Channels Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables 1 Locked QAM256 1 555000000 Hz -1. Access cable modem info using 192. Omoeba. My concern was the OFDM channel uncorrectables and the lower upstream power levels. The number of uncorrectables when compared to correctables shouldn't be causing any issues. It sounds like you got a bad stick. My connection and speeds are The tech I spoke with on the phone today said she had no idea about correctables or uncorrectables because they dont receive training on that stuff at all and the other tech mustve been with the Don’t worry about that channel at all. For the record, uncorrectables should be zero. 1". Forum discussion: I have the Arris CM8200 with Gigablast via D3. ccymqvlegvbjpjanepsapxlglqjrogrknhadnaxwnkq