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[DOCSIS] Signal Check; uncorrectables.

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I have a direct connection from demarc. to SB6183 modem except for one coaxial coupler in the basement where a splitter used to be. I also have a MoCA filter on the line at the grounding block(which has good ground). Outside I have one sub-pole about 30 feet from my house, and that pole is about 60 feet from the main pole at the street. From the looks of it, there is nothing powered on the pole or sub-pole. Uncorrectables only started last couple of weeks and I get the occasional T3 error in the logs. T3 causes slight connectivity issues of a few seconds. Should I ignore or troubleshoot further? Could a cheap coupler be causing the problem or is more likely outside? Thanks! Channel Lock Status Modulation Channel ID Frequency Power SNR Corrected Uncorrectables 1 Locked QAM256 1 783000000 Hz 1.2 dBmV 40.1 dB 0 0 2 Locked QAM256 2 789000000 Hz 0.6 dBmV 40.0 dB 0 0 3 Locked QAM256 3 795000000 Hz 0.8 dBmV 40.1 dB 0 0 4 Locked QAM256 4 801000000 Hz 1.5 dBmV 40.3 dB 0 0 5 Locked QAM256 5 807000000 Hz 1.6 dBmV 40.3 dB 0 0 6 Locked QAM256 6 813000000 Hz 1.0 dBmV 40.2 dB 0 0 7 Locked QAM256 7 819000000 Hz 0.7 dBmV 40.1 dB 0 0 8 Locked QAM256 8 825000000 Hz 0.9 dBmV 40.1 dB 0 0 9 Locked QAM256 17 879000000 Hz -0.8 dBmV 39.5 dB 122 71 10 Locked QAM256 18 885000000 Hz -0.6 dBmV 39.5 dB 113 79 11 Locked QAM256 19 891000000 Hz -0.3 dBmV 39.7 dB 159 72 12 Locked QAM256 20 897000000 Hz -1.0 dBmV 39.6 dB 236 66 13 Locked QAM256 21 903000000 Hz -1.4 dBmV 39.5 dB 280 121 14 Locked QAM256 22 909000000 Hz -1.2 dBmV 39.5 dB 233 150 15 Locked QAM256 23 915000000 Hz -0.9 dBmV 39.5 dB 348 68 16 Locked QAM256 24 921000000 Hz -0.7 dBmV 39.5 dB 330 177 Upstream Bonded Channels Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power 1 Locked ATDMA 3 5120 Ksym/sec 35600000 Hz 33.2 dBmV 2 Locked ATDMA 1 2560 Ksym/sec 24400000 Hz 32.8 dBmV 3 Locked ATDMA 2 5120 Ksym/sec 29200000 Hz 33.8 dBmV 4 Locked ATDMA 4 2560 Ksym/sec 40400000 Hz 33.8 dBmV Status Up Time 6 days 21h:45m:02s Software Version D30CM-OSPREY-1.5.2.5-GA-00-NOSH

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