arcimedes
17-04-2011, 11:29
Since yesterday afternoon the superhub has kept changing from using 4 downstream channels to 1 channel. This does not affect the speeds which are 30Mb whether one channel or four is used or not.
Here is part of the event log
Time Priority Description
Sun Apr 17 08:30:21 2011 Critical (3) DHCP FAILED - Requested Info not supported.;CM-MAC=a0;CMTS-MAC=CM-QOS=1.1;CM-VER=3.0;
Sun Apr 17 08:30:09 2011 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.1;CM-VER=3.0;
Sun Apr 17 08:07:59 2011 Critical (3) No Ranging Response received - T3 time-out;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.0;CM-VER=3.0;
Sun Apr 17 08:07:37 2011 Notice (6) CMTS DCC 434250000 MHz
Sun Apr 17 08:06:46 2011 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.1;CM-VER=3.0;
Sun Apr 17 07:32:36 2011 Notice (6) CMTS DCC 442250000 MHz
Sun Apr 17 07:10:14 2011 Notice (6) CMTS DCC 0 MHz
Sun Apr 17 06:03:41 2011 Critical (3) DCC aborted unable to communicate on new upstream channel;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.0;CM-VER=3.0;
Sun Apr 17 06:03:41 2011 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=a0:;CMTS-MAC=;CM-QOS=1.0;CM-VER=3.0;
Sun Apr 17 06:02:38 2011 Notice (6) CMTS DCC 450250000 MHz
Sun Apr 17 04:54:37 2011 Critical (3) SYNC Timing Synchronization failure - Failed to receive MAC SYNC frame within time-out period;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.1;CM-VER=3.0;
Sun Apr 17 04:49:48 2011 Error (4) DCC rejected parameter invalid for context;CM-MAC=;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
Downstream power
Locked QAM64 169 41712000 Kbits/sec 434250000 Hz 0.4 dBmV 33.9 dB Hybrid
Locked QAM64 170 41712000 Kbits/sec 442250000 Hz 1.3 dBmV 34.5 dB Hybrid
Locked QAM64 171 41712000 Kbits/sec 450250000 Hz 0.9 dBmV 34.2 dB Hybrid
Locked QAM64 172 41712000 Kbits/sec 458250000 Hz 1.2 dBmV 34.5 dB Hybrid
Upstream power
Locked ATDMA 2 20480 Kbits/sec 35800000 Hz 58.2 dBmV
The only thing I did yesterday was cut away the vegetation around the outside box in preparation for tivo installation. I dont think that would have had any effect:)
I think when its one one downstream channel the power goes to about 40 but of courses while I've been typing this it hasnt switched over to one channel
---------- Post added at 10:29 ---------- Previous post was at 09:41 ----------
Just got power levels when locked on 1 channel only.
I did find the cable outside was a bit loose so have tightened it up.
We will se if that makes any difference.
Downstream Channels
Lock Status Modulation Channel ID Max Raw Bit Rate Frequency Power SNR Docsis/EuroDocsis locked
Locked QAM64 171 41712000 Kbits/sec 450250000 Hz 38.1 dBmV 33.5 dB Hybrid
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
--------------------------------------------------------------------------------
Upstream Channels
Lock Status Modulation Channel ID Max Raw Bit Rate Frequency Power
Locked ATDMA 2 20480 Kbits/sec 35800000 Hz 56.7 dBmV
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
Here is part of the event log
Time Priority Description
Sun Apr 17 08:30:21 2011 Critical (3) DHCP FAILED - Requested Info not supported.;CM-MAC=a0;CMTS-MAC=CM-QOS=1.1;CM-VER=3.0;
Sun Apr 17 08:30:09 2011 Critical (3) Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.1;CM-VER=3.0;
Sun Apr 17 08:07:59 2011 Critical (3) No Ranging Response received - T3 time-out;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.0;CM-VER=3.0;
Sun Apr 17 08:07:37 2011 Notice (6) CMTS DCC 434250000 MHz
Sun Apr 17 08:06:46 2011 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.1;CM-VER=3.0;
Sun Apr 17 07:32:36 2011 Notice (6) CMTS DCC 442250000 MHz
Sun Apr 17 07:10:14 2011 Notice (6) CMTS DCC 0 MHz
Sun Apr 17 06:03:41 2011 Critical (3) DCC aborted unable to communicate on new upstream channel;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.0;CM-VER=3.0;
Sun Apr 17 06:03:41 2011 Critical (3) Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=a0:;CMTS-MAC=;CM-QOS=1.0;CM-VER=3.0;
Sun Apr 17 06:02:38 2011 Notice (6) CMTS DCC 450250000 MHz
Sun Apr 17 04:54:37 2011 Critical (3) SYNC Timing Synchronization failure - Failed to receive MAC SYNC frame within time-out period;CM-MAC=a0;CMTS-MAC=;CM-QOS=1.1;CM-VER=3.0;
Sun Apr 17 04:49:48 2011 Error (4) DCC rejected parameter invalid for context;CM-MAC=;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.0;CM-VER=3.0;
Downstream power
Locked QAM64 169 41712000 Kbits/sec 434250000 Hz 0.4 dBmV 33.9 dB Hybrid
Locked QAM64 170 41712000 Kbits/sec 442250000 Hz 1.3 dBmV 34.5 dB Hybrid
Locked QAM64 171 41712000 Kbits/sec 450250000 Hz 0.9 dBmV 34.2 dB Hybrid
Locked QAM64 172 41712000 Kbits/sec 458250000 Hz 1.2 dBmV 34.5 dB Hybrid
Upstream power
Locked ATDMA 2 20480 Kbits/sec 35800000 Hz 58.2 dBmV
The only thing I did yesterday was cut away the vegetation around the outside box in preparation for tivo installation. I dont think that would have had any effect:)
I think when its one one downstream channel the power goes to about 40 but of courses while I've been typing this it hasnt switched over to one channel
---------- Post added at 10:29 ---------- Previous post was at 09:41 ----------
Just got power levels when locked on 1 channel only.
I did find the cable outside was a bit loose so have tightened it up.
We will se if that makes any difference.
Downstream Channels
Lock Status Modulation Channel ID Max Raw Bit Rate Frequency Power SNR Docsis/EuroDocsis locked
Locked QAM64 171 41712000 Kbits/sec 450250000 Hz 38.1 dBmV 33.5 dB Hybrid
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV 0.0 dB Unknown
--------------------------------------------------------------------------------
Upstream Channels
Lock Status Modulation Channel ID Max Raw Bit Rate Frequency Power
Locked ATDMA 2 20480 Kbits/sec 35800000 Hz 56.7 dBmV
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV
Unlocked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV