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Tracking Down Ingress in Your Return Path

By Rick Yuzzi | April 27th, 2016 |Categories: Technology, DOCSIS, ingress, return path, Upstream Analyzer

Every cable operator has a constant struggle with ingress. As external RF signals leak into the return path from various sources, that noise accumulates and funnels upstream to the CMTS. This cumulative effect can cause a significant impact on [...]

Getting to Know DOCSIS Codeword Errors

By Sheenika Wilson | September 15th, 2015 |Categories: Codeword Errors, Blog, Technology, correctable codeword errors, DOCSIS, TruVizion, uncorrectable codeword errors

When it's time for cable operators to dig deep into their networks to find out what's causing impairments, DOCSIS codeword errors can be a key indicator of where to begin when trying to resolve those issues. Making use of data provided from [...]

DOCSIS 3.1 Series: PNM - A 3-Step Plan for Success Part Three

By Sheenika Wilson | July 22nd, 2015 |Categories: Blog, Technology, case study, DOCSIS, Fidelity Communications, PNM, proactive network maintenance

The days of using the "break/fix" method of troubleshooting cable plant issues are quickly fading, and cable operators have DOCSIS Proactive Network Maintenance (PNM) to thank for that. With PNM in use, operators are able to identify network [...]

DOCSIS 3.1 Series: DOCSIS 3.1 and the PNM Toolbox Part Two

By Marsha Hemmerich | July 15th, 2015 |Categories: Blog, Technology, DOCSIS 3.1, DOCSIS, PNM, proactive network maintenance

If you read last week’s Part 1 in our DOCSIS series and the white paper on the Evolution of DOCSIS, you now have a better understanding of why we have specifications, what those specifications can do for the cable operator’s business and what the [...]

Ask a Broadband Expert - DOCSIS Pre-Equalization

By Marsha Hemmerich | January 30th, 2014 |Categories: Ask an Expert, DOCSIS, ask a broadband expert, interview, pre-equalization

DOCSIS pre-equalization is a subject that every cable provider should know more about. With a simple line of code on the CMTS, you can achieve an immediate and significant improvement in your upstream signal levels.

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