I was getting a lot of Modem reboots so on Monday I did a modem swap.
But I am still getting modem reboots. So getting a new modem did not fix it.
I have Ultimate 300
I have a Technicolor TC8715D modem gateway from you.
My modem is set up in a place that it gets lots of cool air 66F in the room it's in now.
No Splitter's or boosters Just a coaxial from my wall going to the modem. (But I do live on the 8th floor of a big high rise so they maybe Splitter's and boosters in the cable room.)
Yes the coaxial cable ends are tight. and the coaxial cable looks good.
Critical errors in the modem log at the time of the modem reboot "Started Unicast Maintenance Ranging - No Response received - T3 time-out" and Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out" Error "Missing BP Configuration Setting TLV Type" " Lots and lots of "Unerrored Codewords" and "Upstream Channel Bonding Value" 3 is missing out of 4" They will come back after a reboot then go missing.
Channel Bonding Value
Channel Bonding Value
CM Error Codewords
Solved! Go to Solution.
aw, swell.. You can try the online chat.... But I assume you've already tried to reset the modem and that did not help. I'd unpower it, disconnect the coax, hold in the reset button while powering it up, Think it resets those, then unplug it, reconnect the coax, power it up and once lights go normal, see if it has 4 upstream channels .
This may be a deffective modem combo, with corrupted firmware, would need to see what the previous one did... and if it was the same model.
It's probably a building distribution issue, see if anyone else there has the same issues, try your modem in their suite, see if you can get the proper 16x4 channels, if so it's wiring to/in your suite.
odd thing is levels look good on all the channels and usually a single US channel will have a too high/out of levelling range dB level, usually over +53 dBmv and as high as +58 dBvmv.
Did try the online chat and she says that she looked at what was going on and did some stuff with the modem. The modem did a reset at the same time. and did not come back up to after I unplugged it. and plugged it back in after a min. (I did gave it over 1 hr before I unplugged it.)
The old modem was a (Technicolor TC8717T modem gateway.)
For now I have all 4 upstream channels. But that's the way it is after a rest then they go away.
But I am hoping she got it fixed.
Ok, post the upstream channel info again... Lets make sure all 4 are below +50 dBmv and online.
Are their and DS channels that have really high correctables/ uncorrectables after a few hours? or all of them?
Points to building wiring/amplifier issues all too common in apartments
Upstream Channel Bonding Value Index Lock Status Frequency Symbol Rate Power Level Modulation Channel ID
|30.6 MHz||24.2 MHz||19.4 MHz||37.0 MHz|
|5120 Ksym/sec||5120 Ksym/sec||2560 Ksym/sec||5120 Ksym/sec|
|43.3 dBmV||43.3 dBmV||44.5 dBmV||43.3 dBmV|
For now it's looking good with no correctables or Uncorrectable Codewords.
Ok I will do that.. I just looked and seen this.
Index Lock Status Frequency Symbol Rate Power Level Modulation Channel ID
|Locked||Not locked||Not locked||Not locked|
Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=