Forum Discussion

deanchat's avatar
deanchat
Contributor
2 years ago

Newer modem won't work with slower service plan? This sounds fishy.

Hi, I have older service plans (“Cox Internet Preferred” (250/10) and “Cox Advanced TV Premier”).  I have a personally owned Motorola/Arris SB6141, which is DOCSIS 3.0, and on the Cox list of certi...
Lovemylab's avatar
Lovemylab
Contributor III
2 years ago

Interesting. Cox told me I had to upgrade to DOCSIS 3.1 to go to the 500 mbps plan, even though I had a perfectly good Arris SB6183. Your modem should be fully backward compatible. I'd be persistent.

  • deanchat's avatar
    deanchat
    Contributor
    2 years ago

    I believe DOCSIS 3.0 is technically capable of going up to 800mbs but I think it is up to the service provider to decide whether they want to require 3.0 or 3.1 for their higher speed services.  Not sure what Cox does.