28 07, 2014
  • Get Your Tech On

DOCSIS Channel Bonding Episode 3

2021-08-17T09:36:58-04:00July 28th, 2014|

DOCSIS 3.0 Channel Bonding – Your Questions Answered Episode 3 Hosted by Brady Volpe of The Volpe Firm and Nimble This with Guest John Downey of Cisco.  Brady and John will discuss the many advantages and disadvantages of DOCSIS 3.0 channel bonding. When everything is operating properly, we have great advantages for modem speed and operation at the expense of allocating more spectrum for more DOCSIS 3.0 channels. When things are not going well, we may not be aware or we may not have the expertise to troubleshoot the situation or even

30 06, 2014
  • Get Your Tech On

DOCSIS 3.0 Channel Bonding – Episode 3

2021-08-17T10:54:31-04:00June 30th, 2014|

DOCSIS 3.0 Channel Bonding - Your Questions Answered Brady Volpe and John Downey will discuss the many advantages and disadvantages of DOCSIS 3.0 channel bonding. When everything is operating properly, we have great advantages for modem speed and operation at the expense of allocating more spectrum for more DOCSIS 3.0 channels.  When things are not going well, we may not be aware or we may not have the expertise to troubleshoot the situation or even remedy the issues properly. DOCSIS 3.0 channel bonding - Upstream and Downstream bonding have

18 06, 2014
  • Get Your Tech On

DOCSIS Channel Bonding – Your Questions Answered Friday June 20th

2021-08-17T10:58:02-04:00June 18th, 2014|

DOCSIS Channel Bonding - Your Questions Answered Presented by Brady Volpe of The Volpe Firm and Nimble This and with guest John Downey. DOCSIS Channel Bonding with a focus on Upstream (US), Downstream (DS), Partial mode, BW allocation, and SG sizing. About John - John has over 20 years in the data/telecommunications/networking industry with a 4 year BS in Electrical Engineering from Penn State University. He has been working for Cisco the last 13 years as a Broadband Network Engineer presently with the Cable and Access Business Unit (CABU).

15 02, 2014

NCTC WEC February 17-18th

2014-02-15T16:39:03-05:00February 15th, 2014|

NCTC WEC 2014 February 17 -18th Tampa, Florida We will be attending NCTC WEC.  If you are interested in finding out more about Proactive Network Maintenance (PNM) or in discussing a technical topic with us.  Get in touch. We will also have some of our popular DOCSIS 3.0 posters with us.  We will only give them out at the show.  So tell a friend who is attending if you cannot. DOCSIS 3.0 Cable Modem Registration Poster with T3 and T4 timeouts, constellation analysis and QAM chart.  

6 11, 2013

Cisco’s New CMTS and Nodes – SCTE EXPO 2013 – Fresh Tech

2013-11-06T09:00:16-05:00November 6th, 2013|

Cisco's New CMTS and Nodes SCTE EXPO 2013 - Fresh Tech Feeling special having been invited into the "whisper suit" at CISCO's booth to get a first look at Cisco's new CMTS and Node.  No one was permitted to take photo's so my description will have to be enough. Cisco has gotten completely out of their normal box for their new CMTS.  It is much smaller than the traditional 10k.  It's also much quieter than the 10k.  It also looks cool.  Those are the small things... What really

9 09, 2013

What is DOCSIS PNM?

2021-08-17T16:17:19-04:00September 9th, 2013|

What is DOCSIS PNM and How Does it Work? Recently I wrote about DOCSIS PNM technology and a company working on is called Nimble This.  In this article I  want to highlight a mechanism behind how DOCSIS PNM works. DOCSIS Pre-Equalization DOCSIS PNM begins with a relatively well known DOCSIS feature called DOCSIS pre-equalization.  I've previously covered adaptive pre-equalization, but here is a refresher.  Starting with DOCSIS 1.1, pre-equaliztion was added to DOCSIS cable modems.  It was later improved in the DOCSIS 2.0 standard adding more equalizer taps

26 08, 2013
  • DOCSIS T3 and T4 timeouts

DOCSIS 3.0 Cable Modem Registration with T3 & T4 Timeouts Poster

2024-03-01T14:07:16-05:00August 26th, 2013|

Our Popular "DOCSIS 3.0 Cable Modem Registration with DOCSIS T3 T4 Timeout Poster" is Back. DOCSIS T3 T4 timeout poster is 23 x 35 inches and a must have for your headend.  That's approximately two feet by three feet.  It's a nice size to hang up in your headend or in your office.  It's extremely popular and we only have a limited quantity left. We have a limited quantity of posters that we will be distributing at the SCTE EXPO or you can leave us a comment below

22 08, 2013

Troubleshooting Cable Networks

2020-04-02T09:57:28-04:00August 22nd, 2013|

CED Presents an Educational Webcast Troubleshooting Cable Networks - Understanding Ingress Impairments Brady Volpe will be a panelist on: "The two-way nature of cable networks is being increasingly exploited for innovative new features and services, including interactive TV applications, video conferencing, data back up, and wireless backhaul (all in addition to high speed data, VoIP, and Internet TV). Growing reliance on the return path highlights the very common problem of upstream cable ingress interferences. MSO's are planning the deployment of DOCSIS 3.1 technology to offer greater downstream/ upstream

8 10, 2012
  • Web Hog

Capacity Planning | Build It & They Will Fill It

2012-10-08T10:01:54-04:00October 8th, 2012|

Capacity Planning - Helps Make Future Capital Expenditure Decisions Capacity Planning in the good old days, was an issue that impacted neighborhoods with web hogs in the them.  Peak usage hours were dreaded, teenagers downloading music were seen as a scourge, and web surfers were just plan old annoying.  What did these people think the internet was for? How things have changed.  Today people not only download music and surf the web but also watch movie content, make video conference calls, teach classes, and do just about anything else they can think of.  What

1 10, 2012

Cable Modem Registration | A Second Look

2021-08-17T10:17:11-04:00October 1st, 2012|

DOCSIS Cable Modems Registration Process Even the most interesting man in the world enjoy's the DOCSIS cable modem registration process, so it is worth a second look.  It is one of the most popular topics because it covers a wide range of how DOCSIS works, from physical layer to Internet protocol (IP) layer.  It is therefore worthy of an encore article with more depth and an update to include DOCSIS 3.0. During the cable modem registration process it is important to understand that three (3) different levels of

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