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Marsha Hemmerich

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About Marsha Hemmerich

Marsha brings thirteen years of experience in the broadband industry as a Marketing Specialist and Technical Writer.

Transitioning from IPv4 to IPv6: Conservation and Migration Strategies Webinar

By Marsha Hemmerich | September 3rd, 2015 |Categories: Blog, Hot Topics, Technology, IPv4, IPv6, IPv6 migration, IPv6 Transition Plan

 

In late July the CEO of the American Registry for Internet Numbers (ARIN), the numbering authority that hands out Internet Protocol (IP) addresses, announced that it may be only a few weeks from depleting their remaining IPv4 address blocks. [...]

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 [...]

DOCSIS 3.1 Series: The DOCSIS Evolution Part One

By Marsha Hemmerich | July 9th, 2015 |Categories: Blog, Technology

Gigabit-class broadband is capturing the imagination of Internet users throughout the country. With Google and other companies bringing fiber-based services that deliver a gigabit of data each second to the home, subscribers are accelerating [...]

What's Coming with DOCSIS 3.1 and What You Need to Know Today

By Marsha Hemmerich | May 12th, 2015 |Categories: Blog, Hot Topics, Technology, DOCSIS 3.1

So now 3.1...

Seven years down the road from DOCSIS 3.0 the increasing subscriber demand for bandwidth intensive content and the competition from FTTH providers like Google are raising the bar for cable technology developers to provide operators [...]

SCTE's Steve Harris on DOCSIS PNM Training

By Marsha Hemmerich | April 20th, 2015 |Categories: Ask an Expert, Blog

DOCSIS Proactive Network Maintenance (PNM) allows cable operators to leverage existing technology to troubleshoot and maintain their network more efficiently. Steve Harris, Senior Director of Advanced Network Technologies, Education and [...]

Leveraging Your CMTS for Upstream Spectrum Analysis

By Marsha Hemmerich | February 10th, 2015 |Categories: Hot Topics, Technology

 

The major problems that operators are having with the upstream path have to do primarily with ingress and noise. Aggravating the troubleshooting process is that often the interfering ingress problems are intermittent.  Just as a tech gets close [...]

Buddy Bertram on Ingress and Return Path Analysis

By Marsha Hemmerich | February 5th, 2015 |Categories: Ask an Expert

 

One of the big questions being asked by providers is how do I handle ingress encountered in the reverse path? To their exasperation, many are finding that there’s not an easy solution to this question. Different types of spectrum analyzers [...]

Finding Hidden Impairments with Proactive Network Maintenance Tools

By Marsha Hemmerich | October 22nd, 2014 |Categories: Hot Topics, Technology

 

Locating impairments getting spooky? Who you gonna call? 

Plant impairments come in all shapes and sizes. Gremlins chew on your cables, monsters loosen your fittings and ghosts haunt your field techs. Take Marty Carollo, Network Manager of [...]

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 [...]

TruVizion's Post-Install Report in Action

By Marsha Hemmerich | August 28th, 2014 |Categories: TruVizion, Videos

You got a new customer. That's always a good thing. Then you get that dreaded phone call a day or two later, or maybe it's a week or two later, saying "My Internet just isn't working right." TruVizion's Post-Install report lets you see how things [...]