The logs are Values read by technicians from the internet provider end, since the logs are what the coaxial cable transmits and the log screen on the router is the translator so can be easily read by them, the coaxial cable is owned by the Internet service provider.If your Event Log is reporting a high volume of errors, this would indicate a potential CMTS signal issue. To troubleshoot these errors, we would like to note the current signal levels being used by your (S33).
Since S33 is just a cable modem we would suggest you to monitor connection 24hrs by connecting device directly to the modem using ethernet cable without router. If still issue persist please follow the steps mentioned on below link to check the cable signal level on your modem interface.
http://arris.force.com/consumers/articles/General_FAQs/S33-Cable-Signal-Levels
I called Arris customer support and they directed me to the same article. It was determined that my power for the upstream Bonded channels was to low between 38.3 and 40 dBmV.
I scheduled a tech to come out and they added a splitter before the modem to boost the power to 50.3 to 52 dBmV. Everything was fine until this morning.
At 4:30 AM the CMSTATUS:US_Diplexer_Mode_Change:Init, 5-42MHz followed by SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing happened. Later in the day we have now had 5 lost connections in 30 minutes and the modem uptime has reset each time. Logs have the same errors as before.
Lots of
RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW
US profile assignment change
No Ranging Response received - T3 time-out
Dynamic Range Window violation
TLV-11 - unrecognized OID
Is the problem with the modem or do I keep putting in tickets with the ISP?
Same exact problem is happening to me, same modem, provider, event log.
I emailed cox and hopefully I'll get a response in the morning, which probably will be them telling me to switch to their modem to solve the issue.
I called Arris customer support and they directed me to the same article. It was determined that my power for the upstream Bonded channels was to low between 38.3 and 40 dBmV.
I scheduled a tech to come out and they added a splitter before the modem to boost the power to 50.3 to 52 dBmV. Everything was fine until this morning.
At 4:30 AM the CMSTATUS:US_Diplexer_Mode_Change:Init, 5-42MHz followed by SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing happened. Later in the day we have now had 5 lost connections in 30 minutes and the modem uptime has reset each time. Logs have the same errors as before.
Lots of
RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW
US profile assignment change
No Ranging Response received - T3 time-out
Dynamic Range Window violation
TLV-11 - unrecognized OID
Is the problem with the modem or do I keep putting in tickets with the ISP?
In this case we would suggest to try testing lines using the test modem and monitor connection for next 24hrs. If the test modem works fine you can reach out arris.com/consumersupport if the modem is under warranty to work on this case further.
