T3 Timeouts?
Hi Cable Forum users,
I hope you can help. I have noticed for quite some time that I keep getting t3 timeouts on my hub 3 and I would like to know what causes these as my power levels are within spec I believe. I don’t notice any problems with the connection at all and receive exactly what I pay for on the download and upload speed. Thanks for looking at my post. Downstream bonded channels Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID 1 387000000 3.7 40 256 qam 32 2 203000000 4.5 40 256 qam 9 3 211000000 4.5 40 256 qam 10 4 219000000 4.3 40 256 qam 11 5 227000000 4.3 40 256 qam 12 6 235000000 4.1 40 256 qam 13 7 243000000 4 40 256 qam 14 8 251000000 4 40 256 qam 15 9 259000000 4 40 256 qam 16 10 267000000 4 40 256 qam 17 11 275000000 4 40 256 qam 18 12 283000000 4.3 40 256 qam 19 13 291000000 4.1 40 256 qam 20 14 299000000 4.5 40 256 qam 21 15 307000000 4.5 40 256 qam 22 16 315000000 4.6 40 256 qam 23 17 323000000 4.8 40 256 qam 24 18 331000000 4.6 40 256 qam 25 19 339000000 4.5 40 256 qam 26 20 347000000 4.4 40 256 qam 27 21 355000000 4.3 40 256 qam 28 22 363000000 4.3 40 256 qam 29 23 371000000 4 40 256 qam 30 24 379000000 3.9 40 256 qam 31 Downstream bonded channels Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors 1 Locked 40.3 52 59 2 Locked 40.9 60 58 3 Locked 40.9 81 42 4 Locked 40.9 51 121 5 Locked 40.3 49 60 6 Locked 40.9 53 62 7 Locked 40.9 59 53 8 Locked 40.9 65 62 9 Locked 40.3 70 54 10 Locked 40.3 76 63 11 Locked 40.3 77 69 12 Locked 40.9 52 58 13 Locked 40.9 55 46 14 Locked 40.3 57 52 15 Locked 40.9 79 57 16 Locked 40.9 51 50 17 Locked 40.3 63 60 18 Locked 40.9 57 54 19 Locked 40.3 51 58 20 Locked 40.9 73 73 21 Locked 40.3 45 78 22 Locked 40.9 41 71 23 Locked 40.3 53 47 24 Locked 40.9 81 53 Upstream bonded channels Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID 1 39399991 45 5120 64 qam 4 2 46199983 45 5120 64 qam 3 3 53699996 45 5120 64 qam 2 4 60299998 45 5120 64 qam 1 Upstream bonded channels Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts 1 ATDMA 0 0 4 0 2 ATDMA 0 0 3 0 3 ATDMA 0 0 3 0 4 ATDMA 0 0 0 0 |
Re: T3 Timeouts?
It is an iffy one. I am all for if it ain't broken don't fix it but it is something you need to keep an eye on in case it gets worse. You shouldn't be getting those T3 timeouts on each upstream channel and you shouldn't be getting post rs errors on every downstream channel.
As it isn't urgent if I were you I post the same info you have posted here on the VM community forum and let the moderators take a look at it. I am pretty sure T3 timeouts are a networks issue so they might be able to fix it behind the scenes and if they need to send someone out to you they'll get back to you. |
Re: T3 Timeouts?
If the post-RS errors are not attributable to the no-mans land during hub boot up then they could be due to the T3 events interrupting the data flow.
We haven't seen the network log so can't judge the succession of T3 events. |
Re: T3 Timeouts?
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Thanks for taking the time to read and respond to my post. Apparently I have some major issues with my power issues, that’s what someone from the Forum Team at Virgin Media Community is saying but I thought they are within spec? Thanks for looking at my post. ---------- Post added at 21:09 ---------- Previous post was at 21:07 ---------- Quote:
Thanks for taking the time to read and respond to my post. Apparently I have some major issues with my power issues, that’s what someone from the Forum Team at Virgin Media Community is saying but I thought they are within spec? Thanks for looking at my post. |
Re: T3 Timeouts?
Looking at your stats, though, at the time you had no power issues. Whether or not that's case now, I don't know. |
Re: T3 Timeouts?
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Thanks again for taking the time to read and respond to my post. Here are my power levels, how do they look? Downstream bonded channels Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID 1 387000000 4 40 256 qam 32 2 203000000 4.5 40 256 qam 9 3 211000000 4.5 40 256 qam 10 4 219000000 4.4 40 256 qam 11 5 227000000 4.4 40 256 qam 12 6 235000000 4.4 40 256 qam 13 7 243000000 4.1 40 256 qam 14 8 251000000 4 40 256 qam 15 9 259000000 4 40 256 qam 16 10 267000000 4 40 256 qam 17 11 275000000 4 40 256 qam 18 12 283000000 4.3 40 256 qam 19 13 291000000 4.1 40 256 qam 20 14 299000000 4.5 40 256 qam 21 15 307000000 4.6 40 256 qam 22 16 315000000 4.8 40 256 qam 23 17 323000000 4.9 40 256 qam 24 18 331000000 4.8 40 256 qam 25 19 339000000 4.5 40 256 qam 26 20 347000000 4.5 40 256 qam 27 21 355000000 4.3 40 256 qam 28 22 363000000 4.4 40 256 qam 29 23 371000000 4.3 40 256 qam 30 24 379000000 4 40 256 qam 31 Downstream bonded channels Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors 1 Locked 40.3 27 0 2 Locked 40.3 47 0 3 Locked 40.3 72 0 4 Locked 40.9 55 0 5 Locked 40.3 52 0 6 Locked 40.3 40 0 7 Locked 40.9 45 0 8 Locked 40.3 44 0 9 Locked 40.9 62 0 10 Locked 40.3 90 0 11 Locked 40.3 60 0 12 Locked 40.3 47 0 13 Locked 40.3 70 0 14 Locked 40.9 61 0 15 Locked 40.9 46 0 16 Locked 40.3 53 0 17 Locked 40.3 64 14 18 Locked 40.3 60 0 19 Locked 40.3 62 0 20 Locked 40.9 70 0 21 Locked 40.9 63 0 22 Locked 40.3 33 0 23 Locked 40.3 38 0 24 Locked 40.3 60 0 Upstream bonded channels Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID 1 39399964 45 5120 64 qam 4 2 46200012 45 5120 64 qam 3 3 53700019 45 5120 64 qam 2 4 60299998 45 5120 64 qam 1 Upstream bonded channels Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts 1 ATDMA 0 0 6 0 2 ATDMA 0 0 2 0 3 ATDMA 0 0 2 0 4 ATDMA 0 0 6 0 Thanks for looking at my post. |
Re: T3 Timeouts?
Channel Channel Type T1 T2 T3 T4 Timeouts 1 US_TYPE_STDMA 0 0 18 0 2 US_TYPE_STDMA 0 0 5 0 3 US_TYPE_STDMA 0 0 4 0 4 US_TYPE_STDMA 0 0 7 0 Here's my upstream data. The T3s don't affect anything I do. Your power levels are absolutely perfect. |
Re: T3 Timeouts?
There isnt anything wrong with those stats other than the T3 timeouts. Yours look like heaven compared to mine atm.
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Re: T3 Timeouts?
A little bit techy, but Ive found this page useful ;
https://pickmymodem.com/cable-modem-...w-to-fix-them/ |
Re: T3 Timeouts?
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You could have loads of T3 events that are outside that timing envelop. The referenced article states Quote:
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Re: T3 Timeouts?
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Thanks again for taking the time to read and respond to my post and confirming my power levels are fine. Apparently I still have some major issues with my power issues, that’s what the Virgin Media systems say when running a test on my connection? They said if red power levels are showing that it’s noted as a major issue with the power levels, meaning a engineer is required to adjust them and this is what is causing the errors I am seeing. How can these power levels below be in the red? Downstream bonded channels Channel Frequency (Hz) Power (dBmV) SNR (dB) Modulation Channel ID 1 387000000 3.5 40 256 qam 32 2 203000000 4.1 40 256 qam 9 3 211000000 4 40 256 qam 10 4 219000000 3.9 40 256 qam 11 5 227000000 4 40 256 qam 12 6 235000000 4 40 256 qam 13 7 243000000 3.7 40 256 qam 14 8 251000000 3.5 40 256 qam 15 9 259000000 3.5 40 256 qam 16 10 267000000 3.7 40 256 qam 17 11 275000000 3.5 40 256 qam 18 12 283000000 3.7 40 256 qam 19 13 291000000 3.7 40 256 qam 20 14 299000000 4.1 40 256 qam 21 15 307000000 4 40 256 qam 22 16 315000000 4.4 40 256 qam 23 17 323000000 4.5 40 256 qam 24 18 331000000 4.3 40 256 qam 25 19 339000000 4.3 40 256 qam 26 20 347000000 4 40 256 qam 27 21 355000000 3.7 40 256 qam 28 22 363000000 4 40 256 qam 29 23 371000000 3.9 40 256 qam 30 24 379000000 3.5 40 256 qam 31 Downstream bonded channels Channel Locked Status RxMER (dB) Pre RS Errors Post RS Errors 1 Locked 40.3 31 0 2 Locked 40.9 49 0 3 Locked 40.3 79 0 4 Locked 40.3 69 0 5 Locked 40.3 60 0 6 Locked 40.9 48 0 7 Locked 40.3 54 0 8 Locked 40.3 53 0 9 Locked 40.9 76 0 10 Locked 40.9 101 0 11 Locked 40.3 69 0 12 Locked 40.3 50 0 13 Locked 40.9 86 0 14 Locked 40.3 67 0 15 Locked 40.9 64 0 16 Locked 40.9 58 0 17 Locked 40.3 71 14 18 Locked 40.3 74 0 19 Locked 40.9 71 0 20 Locked 40.3 74 0 21 Locked 40.3 68 0 22 Locked 40.9 40 0 23 Locked 40.3 55 1 24 Locked 40.3 67 0 Upstream bonded channels Channel Frequency (Hz) Power (dBmV) Symbol Rate (ksps) Modulation Channel ID 1 39399964 45 5120 64 qam 4 2 46200012 45 5120 64 qam 3 3 53700019 45 5120 64 qam 2 4 60299998 45 5120 64 qam 1 Upstream bonded channels Channel Channel Type T1 Timeouts T2 Timeouts T3 Timeouts T4 Timeouts 1 ATDMA 0 0 8 0 2 ATDMA 0 0 2 0 3 ATDMA 0 0 2 0 4 ATDMA 0 0 6 0 Thanks for looking at my post. |
Re: T3 Timeouts?
What's your browsing and data download experience? It should be OK. Your power levels are, as you suppose, perfect. |
Re: T3 Timeouts?
I've had exactly the same issue as the OP for donkeys years, never had any issues downloading or browsing so I've just left it.
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Re: T3 Timeouts?
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Re: T3 Timeouts?
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If your service is working fine, don't worry about it. |
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