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- ROBERTO ANDRADE on DOCSIS and Cable Modems – How it works :: RF Fundamentals
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- Brady on DOCSIS and Cable Modems – How it works :: Upstream RF
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© Brady Volpe and bradyvolpe.com, 2009-2010. Unauthorized use and/or duplication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Brady Volpe and bradyvolpe.com with appropriate and specific direction to the original content.Meta
Category Archives: DOCSIS
DOCSIS 3.0 Tutorial – Introduction
This is the first of a new series of Tutorials focused on the Data Over Cable Service Interface Specifications (DOCSIS) version 3.0. I will make the assumption that you are familiar with the DOCSIS 1.x / 2.0 standards or have already reviewed my DOCSIS Basics Tutorial as I will be using many terms without explanation since they were previously covered.
The DOCSIS 3.0 specification is an extension of the DOCSIS 1.x and 2.0 specification which dramatically increases the data throughput by adding a technology known as channel bonding to the DOCSIS downstream and upstream, adding increased security, adding support for IPv6, and substantially improving the back-office management support (MIBs, SNMP, IPDR, etc.) for DOCSIS. Each of these topics will covered in much greater detail in this DOCSIS 3.0 tutorial in multiple posts yet to come. Continue reading
Posted in DOCSIS, DOCSIS 101, DOCSIS 3.0
Tagged Broadcom, Cable Modem, channel bonding, CMTS, DOCSIS, DOCSIS 3.0, docsis tutorial, Quadrature Amplitude Modulation
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Speeding Upstream – Part II
DOCSIS 3.0 Tips (Extended version from that published in Communications Technology, June 1, 2009) By John Downey and Brady Volpe In Part I of this extended edition (original abbreviated version appeared in CT’s March 2009 issue) John and I discussed … Continue reading
Posted in DOCSIS, DOCSIS 101, DOCSIS 3.0, Troubleshooting DOCSIS
Tagged Cable Modem, CATV, channel bonding, CMTS, DOCSIS, DOCSIS 3.0, docsis tutorial, Laser Clipping, MAC, MAP, mini-slot, PathTrak, pre-equalization, RFoG, troubleshooting
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Speeding Upstream – Part I
DOCSIS 3.0 Tips (Extended version from that published in Communications Technology, June 1, 2009) By John Downey and Brady Volpe The first part of this article (in CT’s March 2009 issue) discussed downstream potential issues, while this one focuses on … Continue reading
Posted in DOCSIS, DOCSIS 101, DOCSIS 3.0, Troubleshooting DOCSIS
Tagged ATDM, ATDMA, burst descriptor, Cable Modem, CMTS, DOCSIS, DOCSIS 3.0, IP, MAP, Mbps, mini-slot, Quadrature Amplitude Modulation, troubleshooting
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