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Constant disconnections for the last month: QAM/QPSK & FEC framing EVENTS
Over the last few weeks constantly seeing daily semi constant random disconnects/slow downs making working from home life even more miserable than it already is. Have had modem for over a year with no issues until recently. Performed a hard reset a day ago but the same issues came back thus the event log is shorter that it probably would have been.
Logs/Status below:
| Startup Procedure | ||
| Procedure | Status | Comment |
| Acquire Downstream Channel | Locked | |
| Connectivity State | OK | Operational |
| Boot State | OK | Operational |
| Configuration File | OK | |
| Security | Enabled | BPI+ |
| DOCSIS Network Access Enabled | Allowed | |
| Downstream Bonded Channels | ||||||||
| Channel | Lock Status | Modulation | Channel ID | Frequency | Power | SNR | Corrected | Uncorrectables |
| 1 | Locked | QAM256 | 9 | 513000000 Hz | 2.0 dBmV | 38.0 dB | 0 | 0 |
| 2 | Locked | QAM256 | 1 | 459000000 Hz | 1.6 dBmV | 38.6 dB | 0 | 0 |
| 3 | Locked | QAM256 | 2 | 465000000 Hz | 1.7 dBmV | 38.6 dB | 0 | 0 |
| 4 | Locked | QAM256 | 3 | 471000000 Hz | 1.8 dBmV | 38.5 dB | 0 | 0 |
| 5 | Locked | QAM256 | 4 | 477000000 Hz | 1.5 dBmV | 38.4 dB | 0 | 0 |
| 6 | Locked | QAM256 | 5 | 483000000 Hz | 1.1 dBmV | 38.3 dB | 0 | 0 |
| 7 | Locked | QAM256 | 6 | 489000000 Hz | 1.2 dBmV | 38.2 dB | 0 | 0 |
| 8 | Locked | QAM256 | 7 | 495000000 Hz | 1.4 dBmV | 38.1 dB | 0 | 0 |
| 9 | Locked | QAM256 | 8 | 507000000 Hz | 2.0 dBmV | 37.5 dB | 0 | 0 |
| 10 | Locked | QAM256 | 10 | 519000000 Hz | 1.8 dBmV | 37.9 dB | 2 | 0 |
| 11 | Locked | QAM256 | 11 | 525000000 Hz | 1.4 dBmV | 37.8 dB | 0 | 0 |
| 12 | Locked | QAM256 | 12 | 531000000 Hz | 1.3 dBmV | 37.7 dB | 0 | 0 |
| 13 | Locked | QAM256 | 13 | 543000000 Hz | 1.1 dBmV | 37.5 dB | 0 | 0 |
| 14 | Locked | QAM256 | 14 | 549000000 Hz | 1.0 dBmV | 37.4 dB | 1 | 0 |
| 15 | Locked | QAM256 | 15 | 555000000 Hz | 0.3 dBmV | 37.2 dB | 3 | 0 |
| 16 | Locked | QAM256 | 16 | 561000000 Hz | -0.9 dBmV | 37.0 dB | 5 | 0 |
| Upstream Bonded Channels | ||||||||
| Channel | Lock Status | US Channel Type | Channel ID | Symbol Rate | Frequency | Power | ||
| 1 | Locked | ATDMA | 4 | 5120 Ksym/sec | 36500000 Hz | 37.3 dBmV | ||
| 2 | Locked | ATDMA | 1 | 5120 Ksym/sec | 17300000 Hz | 38.3 dBmV | ||
| 3 | Locked | ATDMA | 2 | 5120 Ksym/sec | 23700000 Hz | 39.3 dBmV | ||
| 4 | Locked | ATDMA | 3 | 5120 Ksym/sec | 30100000 Hz | 38.3 dBmV | ||
| Time | Priority | Description |
| Time Not Established | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=f8:a0:97:b9:45:ba;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; |
| Time Not Established | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=f8:a0:97:b9:45:ba;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; |
| Time Not Established | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=f8:a0:97:b9:45:ba;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; |
| Time Not Established | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=f8:a0:97:b9:45:ba;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; |
| Time Not Established | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=f8:a0:97:b9:45:ba;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; |
| Time Not Established | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=f8:a0:97:b9:45:ba;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; |
| Time Not Established | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=f8:a0:97:b9:45:ba;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; |
| Time Not Established | Critical (3) | SYNC Timing Synchronization failure - Failed to acquire FEC framing;CM-MAC=f8:a0:97:b9:45:ba;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0; |
| Sat Jul 11 11:12:15 2020 | Critical (3) | Resetting the cable modem due to docsDevResetNow |
| Time Not Established | Notice (6) | Honoring MDD; IP provisioning mode = IPv6 |
AD2020
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