Recently I was getting intermittent modem losing connection requiring me to restart the modem - I read the forums here and matched against my power levels (downstream and upstream). I ended up adding a -3.5 splitter (2nd terminal capped) and also added a forward path attenuator 6db in order to get my downstream levels away from the +10db mark. I have a feeling someone at the node has a passive return amplifier or the line is just way to hot (I had a new cable laid in 2018 and its only about 200-250 feet before it hits my modem. Downstream/Upstream and error log below:
Error Log:
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| | Time | | Priority | | Description | | | 11:14:04
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 16; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2 3.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:14:21
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 20; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:14:21
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 16; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:14:50
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 22; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:14:51
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 24; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 2.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:14:56
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 22; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:15:00
Thu Feb 4 2021 | | Critical (3) | | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:15:01
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 24; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 2.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:15:10
Thu Feb 4 2021 | | Critical (3) | | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:15:11
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 24; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:15:14
Thu Feb 4 2021 | | Critical (3) | | Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:15:21
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 24; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:16:13
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 16; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 2 3.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:16:24
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 16; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1 2 3.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:16:27
Thu Feb 4 2021 | | Warning (5) | | MDD message timeout;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; | | | 11:16:33
Thu Feb 4 2021 | | Notice (6) | | CM-STATUS message sent. Event Type Code: 16; Chan ID: 32; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:6b:f3:cd;CMTS-MAC=00:01:5c:b1:ec:47;CM-QOS=1.1;CM-VER=3.1; |
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Downstream/Upstream:
| Downstream Bonded Channels | | |
|
| Channel | Lock Status | Modulation | Channel ID | Freq. (MHz) | Pwr (dBmV) | SNR (dB) | Corrected | Uncorrected |
| 1 | Locked | QAM256 | 13 | 477.0 | 0.0 | 41.1 | 3595 | 1841 |
| 2 | Locked | QAM256 | 10 | 459.0 | 1.1 | 41.4 | 4207 | 4778 |
| 3 | Locked | QAM256 | 11 | 465.0 | 1.0 | 41.5 | 5091 | 4689 |
| 4 | Locked | QAM256 | 12 | 471.0 | 0.6 | 41.3 | 5665 | 6823 |
| 5 | Locked | QAM256 | 14 | 483.0 | 0.1 | 41.1 | 5744 | 6878 |
| 6 | Locked | QAM256 | 15 | 489.0 | -1.2 | 40.7 | 5431 | 6187 |
| 7 | Locked | QAM256 | 16 | 495.0 | -2.9 | 39.9 | 5963 | 6515 |
| 8 | Locked | QAM256 | 17 | 519.0 | -4.6 | 39.3 | 5432 | 5970 |
| 9 | Locked | QAM256 | 18 | 525.0 | -5.0 | 39.4 | 5216 | 5536 |
| 10 | Locked | QAM256 | 19 | 531.0 | -5.4 | 39.3 | 5201 | 5327 |
| 11 | Locked | QAM256 | 20 | 537.0 | -4.9 | 38.9 | 449592 | 272023 |
| 12 | Locked | QAM256 | 21 | 543.0 | -4.1 | 39.0 | 42352 | 7037 |
| 13 | Locked | QAM256 | 22 | 549.0 | -4.6 | 38.0 | 82539 | 8907 |
| 14 | Locked | QAM256 | 23 | 555.0 | -4.3 | 39.5 | 7369 | 4167 |
| 15 | Locked | QAM256 | 24 | 561.0 | -3.3 | 40.1 | 5072 | 3480 |
| 16 | Locked | QAM256 | 25 | 567.0 | -3.6 | 40.1 | 6062 | 6590 |
| 17 | Locked | QAM256 | 26 | 573.0 | -2.6 | 40.3 | 9490 | 15738 |
| 18 | Locked | QAM256 | 27 | 579.0 | -2.0 | 40.4 | 22151 | 51789 |
| 19 | Locked | QAM256 | 28 | 585.0 | -2.1 | 40.3 | 16163 | 32638 |
| 20 | Locked | QAM256 | 29 | 591.0 | -1.8 | 40.3 | 8150 | 9705 |
| 21 | Locked | QAM256 | 30 | 597.0 | -0.9 | 40.5 | 8695 | 18955 |
| 22 | Locked | QAM256 | 31 | 603.0 | -0.6 | 40.4 | 7786 | 16891 |
| 23 | Locked | OFDM PLC | 32 | 690.0 | -1.4 | 40.1 | -1005726195 | 333537 |
| 24 | Locked | QAM256 | 33 | 609.0 | -0.6 | 40.3 | 8358 | 16000 |
| 25 | Locked | QAM256 | 34 | 615.0 | 0.0 | 40.5 | 10887 | 17355 |
| 26 | Locked | QAM256 | 35 | 621.0 | 0.7 | 41.0 | 12485 | 21805 |
| 27 | Locked | QAM256 | 36 | 627.0 | 1.1 | 40.8 | 17906 | 31197 |
| 28 | Locked | QAM256 | 37 | 633.0 | 1.6 | 41.2 | 20176 | 40054 |
| 29 | Locked | QAM256 | 38 | 639.0 | 2.9 | 41.2 | 29925 | 76771 |
| 30 | Locked | QAM256 | 39 | 645.0 | 2.2 | 41.3 | 20506 | 54559 |
| 31 | Locked | QAM256 | 40 | 651.0 | 2.0 | 41.1 | 13772 | 34865 |
| 32 | Locked | QAM256 | 41 | 657.0 | 1.2 | 41.1 | 45643 | 133492 |
|
| Channel | Lock Status | Channel Type | Channel ID | Symb. Rate (Ksym/sec) | Freq. (MHz) | Pwr (dBmV) | | 1 | Locked | SC-QAM | 1 | 5120 | 17.3 | 47.3 | | 2 | Locked | SC-QAM | 2 | 5120 | 23.7 | 46.8 | | 3 | Locked | SC-QAM | 3 | 5120 | 30.1 | 47.5 | | 4 | Locked | SC-QAM | 4 | 5120 | 36.5 | 47.3 |
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