Community Forum

Yet another No Ranging Response received - T3 time-out thread

Highlighted
New Poster

Yet another No Ranging Response received - T3 time-out thread

Been experiencing this for a while now - checked and re-checked all cable connections. This issue leads to outages/disconnects - it happens quite often.

 

Here is the log and modem data - please help!

 

 Log
 

 

 
 

 


  
    Time    Priority    Description 
    08:53:14
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    08:55:14
Wed May 20 2020
  Critical (3)   Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    08:58:42
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    08:59:04
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    08:59:53
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:00:02
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:00:27
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:00:55
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:01:01
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:01:50
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:02:01
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:08:34
Wed May 20 2020
  Critical (3)   Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:19:25
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:19:54
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:21:18
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 1.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    09:22:14
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    10:06:37
Wed May 20 2020
  Critical (3)   Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    10:08:22
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    10:08:43
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    17:57:18
Wed May 20 2020
  Critical (3)   Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    18:16:33
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    18:17:06
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    18:22:19
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    18:22:52
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    18:23:47
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 16; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    18:24:16
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    22:33:50
Wed May 20 2020
  Critical (3)   Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    23:11:47
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 20; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    23:11:48
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 23; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    23:11:48
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 22; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    23:11:50
Wed May 20 2020
  Notice (6)   CM-STATUS message sent. Event Type Code: 24; Chan ID: 31; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;
    12:18:07
Thu May 21 2020
  Critical (3)   Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=00:40:36:4e:d6:c1;CMTS-MAC=00:01:5c:a9:e2:78;CM-QOS=1.1;CM-VER=3.1;

 

 

Startup Sequence
 

 

   
   Startup Step Status Comment
 

 



  
   Acquire Downstream Channel 507000000 Hz Locked
 

 


  
   Upstream Connection OK Operational
 

 


  
   Boot State OK Operational
 

 



  
   Configuration File OK  
 

 


  
   Security Enabled BPI+
 

 


  



   Connection Status
 

 

   
   System Up Time 14 days 19h:45m:04s  
 

 


  
   Network Access Allowed  
 

 


  



   Downstream Bonded Channels
 

 

 
 

 


  
   Channel Lock Status Modulation Channel ID Freq. (MHz) Pwr (dBmV) SNR (dB) Corrected Uncorrected
   1 Locked QAM256 5 507.0 -2.6 41.1 194 0
   2 Locked QAM256 1 477.0 -2.3 41.4 124 0
   3 Locked QAM256 2 483.0 -2.3 41.2 151 0
   4 Locked QAM256 3 489.0 -2.4 41.1 176 0
   5 Locked QAM256 4 495.0 -2.6 41.2 168 0
   6 Locked QAM256 6 513.0 -2.6 41.0 218 0
   7 Locked QAM256 7 519.0 -2.8 41.0 329 0
   8 Locked QAM256 8 525.0 -2.9 41.0 357 0
   9 Locked QAM256 9 531.0 -2.9 40.9 471 0
   10 Locked QAM256 10 537.0 -3.0 40.8 532 0
   11 Locked QAM256 11 543.0 -2.9 40.7 554 0
   12 Locked QAM256 12 549.0 -3.2 40.6 620 0
   13 Locked QAM256 13 555.0 -3.1 40.6 707 0
   14 Locked QAM256 14 561.0 -2.9 40.4 803 0
   15 Locked QAM256 15 567.0 -3.1 40.2 1298 0
   16 Locked QAM256 16 573.0 -2.7 40.4 1217 0
   17 Locked QAM256 17 579.0 -3.0 40.2 1405 0
   18 Locked QAM256 18 585.0 -2.6 40.2 1391 0
   19 Locked QAM256 19 591.0 -2.8 40.1 1476 0
   20 Locked QAM256 20 597.0 -2.8 40.0 1923 489
   21 Locked QAM256 21 603.0 -2.6 39.9 3119 3266
   22 Locked QAM256 22 609.0 -2.8 39.9 4112 6859
   23 Locked QAM256 23 615.0 -2.6 40.0 4380 8398
   24 Locked OFDM PLC 31 722.0 -4.3 37.2 37514892 50972
   25 Locked QAM256 34 453.0 -2.4 41.4 115 0
   26 Locked QAM256 35 459.0 -2.6 41.2 160 0
   27 Locked QAM256 36 465.0 -2.5 41.3 147 0
   28 Locked QAM256 37 471.0 -2.5 41.3 134 0
   29 Locked QAM256 38 429.0 -1.6 41.6 54 0
   30 Locked QAM256 39 435.0 -1.5 41.6 42 0
   31 Locked QAM256 40 441.0 -1.6 41.6 42 0
   32 Locked QAM256 41 447.0 -2.0 41.5 94 0



   Upstream Bonded Channels
 

 

 
 

 


  
   Channel Lock Status Channel Type Channel ID Symb. Rate (Ksym/sec) Freq. (MHz) Pwr (dBmV)
   1 Locked SC-QAM 1 5120 35.8 47.3
   2 Locked SC-QAM 2 5120 29.4 47.0
   3 Locked SC-QAM 3 5120 23.0 46.8
   4 Locked SC-QAM 4 5120 16.6 46.5