Question about Arris SURFboard DOCSIS 30 Cable Modem (54510101100)

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I had an old docsis1.1 modem and needed the docsis3.0 to get my internet up to speed on charter. I bought a surfboard extreme sb6120 a couple of months ago, and in the last two weeks its having a hard time logging on and even staying connected. is there some kind of software update I need or could it be a problem with the modem?

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This could be a signal related problem coming from charter. If you provide the mac ID and your zip code I may be able to assist further.
Thanks,
Robert

Posted on Feb 25, 2011

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Posted on Jan 02, 2017

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Motorola Surfboard Cable Modem User Guide
The user guide for your Motorola Surfboard cable modem can mean the difference between knowing how to locate and diagnose problems with your connection or staring angrily into a maze of blinking lights.

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http://www.motorola.com/staticfiles/Consumers/Products/Cable Modems and Gateways/SURFboard Cable Modem-SB6120/_Documents/Static Files/557621-001_SB6120_User Guide-US-EN.pdf

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