No, you have a 4x4 modem, like a 6121, TWC has quit leasing them. A bunch showed up surplus, some marked "do not use on a 8-16 ch CMTS"... they only were designed to cover 4 full channels at a 30 mHz spread
a 6141 is an 8x4 and has a widely acceptance bandwidth that easily covers a 16 channel spread of 96 mHz
The 6190/92 has a full 88-1002 mHz acceptance.
TWC is sorta correct to blame your modem, but they should restrict all 4x4's to adjacent channelsa only, lol
Ok, I only saw the 6121 level page. Post the 6141's level and log, DON'T reset it first!
I doubt throwing modems at signal or overloaded node will solve your problem.
What do tracert's to google.com look like?
Overloaded nodes show up in certain time frames, equipment malfunctions not as much, however heavy node loading will make equipment issues look worst and equipment and line issues will overload the node
Ping plotter can display node/ hop overloading
corrected/uncorrected : total bytes show eqt/ line issues
when you set up ping plotter, add in the min and max columns in the display tab at the top....don't ping more than every 5 or 10 seconds
If the avg is close to the min, you're doing good
The graphs will show the TOD patterns but you might need to set it to ping every 30 seconds
At least in the free version