CATV Archives

3 09, 2021

Interpreting Full Band Capture and RxMER

Mia Colabrese2021-09-03T10:44:50-04:00September 3rd, 2021|

In this episode Brady Volpe of Nimble This and The Volpe Firm, and John Downey of Cisco discuss interpreting Full Band Capture (FBC) and RxMER which is the MER of the subcarriers in the OFDM channel. Cable is a technology business and we seem to always come up with new terms and new things to understand and interpret. FBC has been around now but still not everyone knows what it means and how to understand it correctly. RxMER is a bit newer but can still be mysterious

20 08, 2021

Cisco vCMTS

Mia Colabrese2021-08-23T11:57:31-04:00August 20th, 2021|

Cisco vCMTS? Brady Volpe founder of The Volpe Firm and Nimble This, John Downey and Jason Miller Technical Marketing Engineer of Cisco discuss Cisco's virtual CMTS (vCMTS). The topic came up during ANGACOMs 2021 presentation. I didn't know Cisco even had a vCMTS, did you? Well, let's find out what they are doing and if they are really taking away the CLI as discussed at ANGACOM. The discussion is on all things DOCSIS. Tips, suggestions and recommendations. Another power hour of cable with Brady Volpe and John Downey CMTS

7 01, 2021

NanoVNA Calibration to 75 Ohm for CATV

brady2022-07-04T19:38:55-04:00January 7th, 2021|

NanoVNA Calibration for CATV 75 Ohm This article focuses on calibration of the NanoVNA to a 75 ohm environment. There's a lot of talk about the NanoVNA with calibration, the NanoVNA come's standard with 50 ohm SMA connectors on it, but for CATV broadband networks we must calibrate to a 75 ohm standard and not the 50 ohm cal standards that come with the NanoVNA. There are a lot of discussions on the forms about calibrating and that's the proper way of calibrating nano VNAs for a 75

30 10, 2019

Technology Trends In Cable

Mia Colabrese2023-08-28T12:53:32-04:00October 30th, 2019|

Low Latency DOCSIS, RF is sexy again, 5G, 10G, Coherent Optics and more Hello Everyone. This is episode 52 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, in the flesh. John is also CMTS Technical Leader at Cisco Systems, welcome John. Also with us is Mia Colabrese of The Volpe Firm and Nimble This. Today we are going to discuss Technology Trends in Cable. BUT First - John

24 09, 2019

DOCSIS Cable Connector Basics

Mia Colabrese2021-08-15T18:35:46-04:00September 24th, 2019|

Craft issues in coax can create havoc later on... Happy Friday Everyone. Today is September 20th and this is episode 51 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, who will strike a pose at this years SCTE EXPO. John is also CMTS Technical Leader at Cisco Systems, welcome John. Also with us is Rich Maroney Product Line Manager Coaxial Cable from PPC. Today we are going to discuss

19 08, 2019

DOCSIS 3.1 Upstream

Mia Colabrese2021-08-15T18:39:37-04:00August 19th, 2019|

Happy Friday Everyone. Today is July 12th and this is episode 50 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. John is also CMTS Technical Leader at Cisco Systems, welcome John. Todays show overview: FDX / CBR-8 - Is it dead at CISCO? Node plus Zero DOCSIS 3.1 Upstream - General discussion Low Latency / ESports OFDMA Remote-PHY ATDMA 85Mhz systems Bonding groups Profiles in the upstream Different and challenging

19 07, 2019

T3 & T4 Timeouts Cable Modem Registration – Back to Basics

Mia Colabrese2021-08-15T18:42:34-04:00July 19th, 2019|

Happy Friday Everyone. Today is July 12th and this is episode 49 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, who recently carried a CBR-8 on his back, up Mount Kilimanjaro to ensure broadband service. John is also CMTS Technical Leader at Cisco Systems, welcome John. Todays show: Upstream MER registration explained Cable modem registration T3 and T4 Timeouts In The News: https://www.lightreading.com/cable/ccap-next-gen-nets/comcast-commits-millions-to-harmonics-cableos-platform/d/d-id/752671 Comcast Commits Millions to Harmonic's

24 06, 2019

Low Latency and Virtualization

Mia Colabrese2021-08-15T18:44:51-04:00June 24th, 2019|

Happy Friday Everyone. Today is June 14th and this is episode 48 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. John is also CMTS Technical Leader at Cisco Systems, welcome John. AQM (active que management) Mini slot proactive grant service OFDMA John thank you for your time today. This was a great episode. Our next Episode 49 is scheduled in July 12. We do our best to bring our

16 05, 2019

DOCSIS 3.1 and FDX

Mia Colabrese2021-08-15T18:47:04-04:00May 16th, 2019|

Happy Friday Everyone. Today is May 10 and this is episode 47 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 today is: John Downey, CMTS Technical Leader at Cisco. Today’s topic is a discussion on DOCSIS 3.1 and FDX. But also: Ethernet over Coax Overlay Modulated Signal Over coming barriers point to point wireless FDX brings more upstream speed but needs R-PHY to go 1GIG service 4 upstream channels from 5 to

18 03, 2019

PNM Round Table with Brady Volpe, Comcast, CableLabs, Cisco

Mia Colabrese2021-08-15T18:53:49-04:00March 18th, 2019|

Happy Friday Everyone. Today is March 15 and this is episode 46 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 today is: John Downey, CMTS Technical Leader at Cisco. Larry Wolcott PNM Round Table with special guests Larry Wolcott (SCTE Member of the year) Leader at Comcast’s Next Generation Technology Group Jason Rupe Principal Architect, Wired, R&D of CableLabs. Today’s topic is a follow up on last year's popular PNM show and