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My 6 year old Arris Docsis 3 died. I purchased a new SB3200. My Provider, Optimum (previously Suddenlink) got it working, but my 300 Mb connection is only running at 20 Mb. An Optimum technician came yesterday to check wiring in my apartment building and also hook up a new neighbor's account with a  rented Docsis 3 modem. We now share one cable back to the pole, and his new modem runs at 300, while mine is still running at 20. He said Optimum’s phone tech help my not have provisioned my modem correctly. I need the 300 for streaming and to support a stable VPN back to work if needed. What do I need to do?

As you are experiencing with slow speed in SB8200 cable modem, Make sure that led lights are solid.

If the slow speed is on direct connection through hardwired, check the cable signal levels by using the link given below:

http://arris.force.com/consumers/articles/General_FAQs/SB8200-Cable-Signal-Levels

 

 

Optimum did not have the modem set up correctly. It took them four tries online to get it working, finally fixed last Friday, and now I get full speed through my router. Optimum’s skilled techs are few and far between.

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