Arris SURFboard S33 User Manual

Arris SURFboard S33 User Manual

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SURFboard® S33
DOCSIS® 3.1 cable modem
User guide
May 2020
Copyright 2020 ARRIS Enterprises, LLC. All rights reserved.

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Paul Wickliffe
February 24, 2025

Using Surfboard S33v2 on Optimum network for less than a year. The normal state showed a blue LED. We then had an outage that lasted a couple of hours. When service came back, the LED started orange, then flashed green, then went off - no solid blue. However, the unit seems to be working normally. Why would the Blue LED no longer appear? I **** getting 800M download speed. Does it need a software update?

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Mr. Anderson
May 14, 2025

If the blue LED is not appearing on the Arris S33 after an outage despite the unit functioning normally, it may be because the modem is operating in DOCSIS 3.0 mode instead of DOCSIS 3.1. In DOCSIS 3.0 mode, the LED shows solid green rather than blue.

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Docsis 3.1Surfboard s33 docsis 3.1 cable modem

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