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How DOCSIS PNM Works and Why You Need It

By Rick Yuzzi | January 9th, 2019 |Categories: PNM, proactive network maintenance, correlation groups, DOCSIS pre-equalization, PreEqualization Analyzer, Diagnostics, Main Tap Compression, Group Delay, In Channel Frequency Response, ICFR, Micro Reflections

Diagnostics tools on a DOCSIS network have traditionally been part of a reactive, break-fix methodology, where the operator is notified about issues in their plant AFTER service for subscribers have been impacted. In fact, it is often complaints [...]

Correlation Groups and vTDR in Proactive Network Maintenance

By Sheenika Wilson | October 1st, 2014 |Categories: Ask an Expert, PNM, proactive network maintenance, correlation groups, ask a broadband expert, PreEqualization Analyzer, vTDR

As its name suggests, proactive network maintenance (PNM) allows cable operators to get ahead of the curve in being able to diagnose issues in the cable plant. When network impairments are concentrated in an area, it’s easier to locate the [...]

DOCSIS Proactive Network Maintenance Interview and Whitepaper

By Marsha Hemmerich | September 19th, 2014 |Categories: Ask an Expert, PNM, proactive network maintenance, correlation groups, ask a broadband expert, DOCSIS pre-equalization, PreEqualization Analyzer, technical paper

Proactive network maintenance (PNM) and DOCSIS pre-equalization are terms that cable operators will be hearing more and more. CableLabs-developed PNM technology gives operators a front row seat to using DOCSIS pre-equalization as one of the [...]

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