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user_jc1209
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Friday, July 9th, 2021 2:01 PM

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Large number of uncorrectables

Arris sb8200 modem, 1200 mbps service - Up until recently (about a week now), my correctables and uncorrectables were always close to zero. I wouldn't have noticed the change but my connection has dropped intermittently several times in the last week. I have reset the modem and changed the coax cable. I have also checked the cable outside for damage and it looks fine. Other than the coax and modem reset nothing has changed on my end. I did see an xfinity truck down the street around the time this flakiness started. I just bought another modem (Arris sb S33) in case that's the problem but other forum posts I have read suggest it's not. Something changed about a week ago and my connection has been full of errors ever since.

This snapshot is after just 5 minutes

Startup Procedure
Procedure Status Comment
Acquire Downstream Channel 645000000 Hz Locked
Connectivity State OK Operational
Boot State OK Operational
Configuration File OK
Security Enabled BPI+
DOCSIS Network Access Enabled Allowed

Downstream Bonded Channels
Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables
41 Locked QAM256 645000000 Hz 0.9 dBmV 40.1 dB 12666 18416
13 Locked QAM256 471000000 Hz 1.8 dBmV 42.2 dB 11270 16919
14 Locked QAM256 477000000 Hz 1.9 dBmV 40.4 dB 11417 17303
15 Locked QAM256 483000000 Hz 1.8 dBmV 40.9 dB 11859 17515
16 Locked QAM256 489000000 Hz 1.9 dBmV 41.0 dB 11753 18298
17 Locked QAM256 495000000 Hz 2.1 dBmV 42.3 dB 11646 17661
18 Locked QAM256 507000000 Hz 2.2 dBmV 40.5 dB 11692 17298
19 Locked QAM256 513000000 Hz 2.0 dBmV 42.2 dB 11583 17114
20 Locked QAM256 519000000 Hz 1.9 dBmV 40.1 dB 11182 17230
21 Locked QAM256 525000000 Hz 2.0 dBmV 40.0 dB 11318 16806
22 Locked QAM256 531000000 Hz 1.9 dBmV 41.3 dB 11179 16353
23 Locked QAM256 537000000 Hz 1.4 dBmV 41.1 dB 10867 16401
24 Locked QAM256 543000000 Hz 1.3 dBmV 40.2 dB 10694 16001
25 Locked QAM256 549000000 Hz 1.7 dBmV 41.6 dB 11031 16425
26 Locked QAM256 555000000 Hz 1.7 dBmV 41.3 dB 10760 16517
27 Locked QAM256 561000000 Hz 1.8 dBmV 40.7 dB 11028 16296
28 Locked QAM256 567000000 Hz 1.8 dBmV 39.1 dB 11563 17558
29 Locked QAM256 573000000 Hz 2.0 dBmV 40.9 dB 12012 17505
30 Locked QAM256 579000000 Hz 2.1 dBmV 41.3 dB 11841 18080
31 Locked QAM256 585000000 Hz 1.9 dBmV 39.7 dB 12773 19464
32 Locked QAM256 591000000 Hz 1.4 dBmV 39.8 dB 13128 19747
33 Locked QAM256 597000000 Hz 1.4 dBmV 36.9 dB 13578 19817
34 Locked QAM256 603000000 Hz 1.4 dBmV 39.7 dB 13327 20090
35 Locked QAM256 609000000 Hz 1.3 dBmV 39.9 dB 13416 19863
36 Locked QAM256 615000000 Hz 1.1 dBmV 40.7 dB 13054 19281
37 Locked QAM256 621000000 Hz 0.9 dBmV 40.8 dB 13467 19152
38 Locked QAM256 627000000 Hz 1.2 dBmV 39.6 dB 12510 19056
39 Locked QAM256 633000000 Hz 1.8 dBmV 37.9 dB 12269 18507
40 Locked QAM256 639000000 Hz 1.6 dBmV 39.6 dB 12719 18278
42 Locked QAM256 651000000 Hz 0.9 dBmV 40.7 dB 11991 17745
43 Locked QAM256 657000000 Hz 0.8 dBmV 39.6 dB 11737 17732
44 Locked QAM256 663000000 Hz 0.5 dBmV 40.6 dB 12321 16770
159 Locked Other 690000000 Hz 0.7 dBmV 40.0 dB 96525975 0



Upstream Bonded Channels
Channel Channel ID Lock Status US Channel Type Frequency Width Power
1 1 Locked SC-QAM Upstream 10400000 Hz 3200000 Hz 41.0 dBmV
2 2 Locked SC-QAM Upstream 16400000 Hz 6400000 Hz 41.0 dBmV
3 3 Locked SC-QAM Upstream 22800000 Hz 6400000 Hz 42.0 dBmV
4 4 Locked SC-QAM Upstream 29200000 Hz 6400000 Hz 42.0 dBmV
5 5 Locked SC-QAM Upstream 35600000 Hz 6400000 Hz 44.0 dBmV
6 6 Locked SC-QAM Upstream 40400000 Hz 3200000 Hz 46.0 dBmV



Current System Time: Fri Jul 9 07:50:08 2021

Question

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4 years ago

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