Cable operators have long known the benefits of having more fiber in their Hybrid Fiber Coax (HFC) plant, and for some, especially so, as they have taken fiber all the way to the premises in greenfield deployments. They have seen firsthand that an [...]
Improving HFC Performance with Proactive Network Maintenance (PNM)
By Rick Yuzzi | July 28th, 2022 |Categories: PNM, proactive network maintenance, What is DOCSIS PNM, Extending HFC Life, reduced maintenance costs
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 [...]