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The Power of Proactive Network Maintenance (PNM)

By Rick Yuzzi | December 7th, 2021 |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, What is DOCSIS PNM

What is PNM?

DOCSIS Proactive Network Maintenance (PNM) is a relatively new tool for cable operators that allows them to find and resolve issues in the cable plant before they impact subscribers. For most of the history of cable plant maintenance [...]

What is DOCSIS PNM 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, What is DOCSIS PNM

Diagnostics tools on a DOCSIS network have traditionallybeen 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 problems [...]

Finding Common Impairments with DOCSIS Proactive Network Maintenance

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 important tools to mitigate upstream impairments. When a CMTS has pre-equalization enabled, it can look at the quality of the signals being received from all of the cable modems [...]

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