Posted this on the Cox forums, but figured I'd post it here as well since I had a few more questions to ask in general.
For the past couple of days, My Internet (Preferred Tier) has been having sporadic outages for varying lengths of time. I've reviewed both signal levels and logs for the cable modem which I'll post below. Modem is a Motorola SB6121 running firmware SB_KOMODO-1.0.6.12-SCM00-NOSH
Downstream Bonding Channel Value
Channel ID 3 4 11 12
Frequency 807000000 Hz 813000000 Hz 831000000 Hz 837000000 Hz
Signal to Noise Ratio 37 dB 37 dB 37 dB 37 dB
Downstream Modulation QAM256 QAM256 QAM256 QAM256
Power Level
The Downstream Power Level reading is a snapshot taken at the time this page was requested. Please Reload/Refresh this Page for a new reading
-5 dBmV -5 dBmV -7 dBmV -7 dBmV
Upstream Bonding Channel Value
Channel ID 2 3 4
Frequency 23700000 Hz 28700000 Hz 35300000 Hz
Ranging Service ID 1151 1151 1151
Symbol Rate 2.560 Msym/sec 5.120 Msym/sec 5.120 Msym/sec
Power Level 40 dBmV 39 dBmV 41 dBmV
Upstream Modulation [3] 16QAM
[3] 64QAM
[3] 16QAM
[3] 64QAM
[3] 16QAM
[3] 64QAM
Ranging Status Success Success Success
Best I can tell, my signal levels are fine. Downstream power is a little off, but should still be well within the realm of normal. I've checked the signal levels throughout different parts of the day and they all stay about the same.
Time Priority Code Message
Nov 14 2013 12:07:56 3-Critical R02.0 No Ranging Response received - T3 time-out;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 14 2013 09:24:03 6-Notice I401.0 TLV-11 - unrecognized OID;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 14 2013 09:24:03 5-Warning Z00.0 MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:55 3-Critical R02.0 No Ranging Response received - T3 time-out;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Jan 01 1970 00:00:13 6-Notice N/A Cable Modem Reboot due to T4 timeout ;CM-MAC=XXX;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.0;
Nov 14 2013 09:22:40 3-Critical R04.0 Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 14 2013 09:21:49 5-Warning T202.0 Lost MDD Timeout;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 14 2013 09:21:25 3-Critical T05.0 SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 13 2013 23:19:26 3-Critical R02.0 No Ranging Response received - T3 time-out;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 13 2013 21:43:59 3-Critical R06.0 Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 13 2013 21:43:59 3-Critical R03.0 Ranging Request Retries exhausted;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 13 2013 21:43:58 3-Critical R02.0 No Ranging Response received - T3 time-out;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 13 2013 01:44:58 3-Critical R06.0 Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 13 2013 01:44:58 3-Critical R03.0 Ranging Request Retries exhausted;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 13 2013 01:44:57 3-Critical R02.0 No Ranging Response received - T3 time-out;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 12 2013 09:38:10 3-Critical T05.0 SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 12 2013 09:27:02 3-Critical R02.0 No Ranging Response received - T3 time-out;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 12 2013 09:26:58 3-Critical R06.0 Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=XXX; CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 12 2013 09:26:58 3-Critical R03.0 Ranging Request Retries exhausted;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
Nov 12 2013 09:26:58 3-Critical R02.0 No Ranging Response received - T3 time-out;CM-MAC=XXX;CMTS-MAC=XXX;CM-QOS=1.1;CM-VER=3.0;
I'm not sure if this is a problem on my end or if there is still some work being done in the area from a bigger outage that happened over the weekend. I'm just worried that if it is a problem on my end with the wiring or coax, then I may be outta luck since I live in an apartment. For giggles, I've tried the other three coax hookups in my apartment and the one I'm using is the best out of the three. I'm not sure how many splitters there are between the outside box and the modem. Is there anything else I can do on my end? Thanks.
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