Quote:
Originally Posted by Nopanic
If that's what's happened then it's more than unacceptable. Can you keep us informed with this please.
|
Well you look at the evidence and tell me what you think happened...
12/10/2011 - posted when complaining about congestion
Cable Modem Downstream
DS-1 DS-2 DS-3 DS-4
Frequency 435000000 443000000 451000000 459000000
Lock Status
(QAM Lock/FEC Sync/MPEG Lock) Y/Y/Y Y/Y/Y Y/Y/Y Y/Y/Y
Channel Id 25 26 27 28
Modulation 256QAM 256QAM 256QAM 256QAM
Symbol Rate
(Msym/sec) 6.952 6.952 6.952 6.952
Interleave Depth I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17
Power Level
(dBmV) 1.78 1.70 1.92 1.18
RxMER
(dB) 37.36 37.64 37.94 37.94
Correctable
Codewords 13810 18957 2832 2859
Uncorrectable
Codewords 4741 6276 9226 9405
Cable Modem Upstream
US-1 US-2 US-3 US-4
Channel Type 2.0 N/A N/A N/A
Channel ID 4 N/A N/A N/A
Frequency
(Hz) 35800000 N/A N/A N/A
Ranging Status Success N/A N/A N/A
Modulation 16QAM N/A N/A N/A
Symbol Rate
(KSym/sec) 5120 N/A N/A N/A
Mini-Slot Size 4 N/A N/A N/A
Power Level
(dBmV) 51.75 N/A N/A N/A
T1 Timeouts 0 0 0 0
T2 Timeouts 0 0 0 0
T3 Timeouts 11 0 0 0
T4 Timeouts 0 0 0 0
Snip from event log...
Thu Oct 13 12:23:55 2011 Thu Oct 13 12:23:56 2011 Critical (3) SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
Thu Oct 13 12:24:01 2011 Thu Oct 13 12:24:01 2011 Warning (5) Lost MDD Timeout;CM-MAC=**:**:**:**:**:**;CMTS-MAC=**:**:**:**:**:**;CM-QOS=1.1;CM-VER=3.0;
Power levels as spotted on 14/10/2011
Cable Modem Downstream
DS-1 DS-2 DS-3 DS-4
Frequency 435000000 443000000 451000000 459000000
Lock Status
(QAM Lock/FEC Sync/MPEG Lock) Y/Y/Y Y/Y/Y Y/Y/Y Y/Y/Y
Channel Id 25 26 27 28
Modulation 256QAM 256QAM 256QAM 256QAM
Symbol Rate
(Msym/sec) 6.952 6.952 6.952 6.952
Interleave Depth I=12
J=17 I=12
J=17 I=12
J=17 I=12
J=17
Power Level
(dBmV) -3.67 -3.80 -3.59 -4.22
RxMER
(dB) 36.17 36.61 36.84 36.84
Correctable
Codewords 21262 24670 8301 8146
Uncorrectable
Codewords 19598 20994 21746 19471
Cable Modem Upstream
US-1 US-2 US-3 US-4
Channel Type 2.0 N/A N/A N/A
Channel ID 4 N/A N/A N/A
Frequency
(Hz) 35800000 N/A N/A N/A
Ranging Status Success N/A N/A N/A
Modulation 16QAM N/A N/A N/A
Symbol Rate
(KSym/sec) 5120 N/A N/A N/A
Mini-Slot Size 4 N/A N/A N/A
Power Level
(dBmV) 57.71 N/A N/A N/A
T1 Timeouts 0 0 0 0
T2 Timeouts 0 0 0 0
T3 Timeouts 11 0 0 0
T4 Timeouts 0 0 0 0
Now just what would you say happened?
I suppose I could take out the 6dB FP attenuator to see if it stems the mounting uncorrectable errors but there is now a tech visit booked for Friday anyway.