DOCSIS Archives

26 02, 2019

What Can DOCSIS PNM Do For Me?

Mia Colabrese2020-06-11T11:10:05-04:00February 26th, 2019|

It's a Question You Might Ask Yourself Proactive network maintenance (PNM) has been steadily growing in acceptance and popularity over the past several years with adoption amongst cable operators from Tier 1 such as Comcast all the way to the smallest Tier 4 operators — both in the U.S. and internationally — as a tool for optimizing their work force and improving subscriber quality of experience (QoE). No longer is it seen as a shiny gimmick or a novelty to detect the poltergeist in the network before it

14 12, 2018

Demystifying OOB and R-PHY

Mia Colabrese2020-04-02T12:21:56-04:00December 14th, 2018|

Benefits and Limitations, Choose your R-PHY Wisely In this article we dive into Data-Over-Cable Service Interface Specifications (DOCSIS) remote PHY (R-PHY) testing challenges and how these can be overcome using out-of-band (OOB) channel communications. Test and Measurement Challenges with R-PHY Let’s understand the fundamental challenges with testing in an R-PHY world. Today’s radio frequency (RF) test equipment, such as sweep, return path monitoring, and leakage is based on analog signals. Figure 1 illustrates how typical headend / hub test equipment signals traditionally flow to or from an analog

10 09, 2018

Optimizing the DOCSIS Upstream

Mia Colabrese2018-09-10T08:37:20-04:00September 10th, 2018|

Data-Over-Cable Service Interface Specifications (DOCSIS) version 3.1 offers a host of exciting possibilities and realities for cable operators. I have covered many of these topics in previous articles but the one thing that cannot be overlooked is the basics. It doesn’t matter how great these new technologies are if you do not pay attention to the foundation. It’s not any different than a house. If your foundation isn’t solid who cares if you have the best theater system in it. It can crumble under foot if the foundation

28 12, 2017

PNM Further Enhances Troubleshooting in the New Age of Test Equipment in Broadband Cable

Mia Colabrese2021-08-16T10:26:01-04:00December 28th, 2017|

PNM Further Enhances Troubleshooting in the New Age of Test Equipment in Broadband Cable Happy Monday Everyone. Today is December 18th and this is episode 34 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This a true cable Geek. With us is, John Downey, “the man of many thoughts and even more questions”. John is also CMTS Technical Leader at Cisco Systems. Ron Hranac meteor hunter and professional laser affinado. In his spare time he

4 12, 2017

Remote-PHY and Full Duplex DOCSIS

Mia Colabrese2020-07-01T15:40:40-04:00December 4th, 2017|

Show Me The Money! Remote-PHY and Full Duplex DOCSIS Doesn’t the cable industry just love initialisms and acronyms? Just as you thought you were getting your mind around DOCSIS 3.1 the industry continues to move forward and drop a bunch more terms like remote-PHY (R-PHY) and full duplex (FDX) DOCSIS. I like soup, but we need a decoder ring for the alphabet soup we are eating. Don’t get me wrong, this is great stuff and awesome technology. CableLabs recently updated the DOCSIS 3.1 PHY specification to include FDX.

13 11, 2017

What about IP Video IPTV and DOCSIS?

Mia Colabrese2021-08-16T13:26:56-04:00November 13th, 2017|

What about IP Video IPTV and DOCSIS? Happy Friday Everyone. Today is November 10th and this is episode 33 of Get Your Tech On, our show on All Things DOCSIS, today our topic is What about IP Video IPTV and DOCSIS?" Join the conversation about how this technology is used in cable plants and the fact that IP video delivery has its own set of peculiarities and characteristics, which cable will need to address comprehensively as it puts more of its high value content over the DOCSIS interface.. I'm

31 08, 2017

Virtual CMTS-CCAP

Mia Colabrese2020-04-02T09:29:04-04:00August 31st, 2017|

To Boldly Go Where Cable Has Not Gone Before – Virtual CMTS-CCAP By Brady Volpe - As published in Broadband Library Star Trek brought us ideas like cell phones, tablets, Bluetooth, MRIs and MP3s and more My name is not Morpheus and I’m not asking you to choose between a blue or red pill here, but let me start off by saying I started out as a hardware guy in the business. I know hardware, I like hardware but I have converted into being a software dude. My

1 08, 2017

DOCSIS CMTS Suggestions, Best Practices and Recommendations Part 3

Mia Colabrese2021-08-16T15:31:55-04:00August 1st, 2017|

DOCSIS CMTS Suggestions, Best Practices and Recommendations Part 3 Happy Friday Everyone. Today is July 21 and this is episode 30 of Get Your Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This. With us is, John Downey, the iron man of cable. John is also CMTS Technical Leader at Cisco Systems, welcome John. Today’s episode is a good one. This is part 3 on our DOCSIS CMTS Suggestions, Best Practices and Recommendations. DOCSIS CMTS Best So the

18 04, 2017

DOCSIS CMTS Best Practices Recommendations Part 2

Mia Colabrese2021-08-16T16:13:00-04:00April 18th, 2017|

DOCSIS CMTS Best Practices and Recommendations Part 2 Episode 27 DOCSIS CMTS Best Practices Recommendations - Today is April 14 and this is episode 27 of Get You Tech On, our show on All Things DOCSIS. I'm Brady Volpe, Founder of The Volpe Firm and Nimble This. With us is the a man who is world famous for carrying two 10ks up an Ecuadorian mountain side, John Downey, CMTS Technical Leader at Cisco Systems, welcome John thanks for coming back again. Today’s episode is a good one. This is

15 03, 2017

Future Field Operations Technologies Cable

Mia Colabrese2021-08-16T17:11:07-04:00March 15th, 2017|

Future Field Operations Technologies Cable What’s Coming in Field and Operations Technology with Comcast and Cisco Episode 26 of our show on All Things DOCSIS. Hosted by Brady Volpe, Founder of The Volpe Firm and Nimble This. Today we have a fantastic episode for you on Future Field Operations Technologies but first let me introduce our panelists for todays show: With us we have the John Downey, CMTS Technical Leader at Cisco Systems. Larry Wolcott, Comcast Fellow in Operations Technology. Finally, a man who needs little introduction, the esteemed