Monday, September 28, 2020

DOCSIS CMTS Band Plan

I'm specifying a linear tv band plan this week and want to make sure it's as wide open for DOCSIS 3.1 as possible. Here's what I've gathered for a specification, how it look to the Reddit hive mind?

  • Television service must avoid DOCSIS return path <45 Mhz, frequencies lower than EIA 2 are reserved
  • Television service should avoid DOCSIS 3.1 mid-split return path <85 Mhz, frequencies at or below EIA 6 are reserved
  • Television service should avoid DOCSIS 3.1 high-split return path <204 Mhz, frequencies at or below EIA 22 are reserved
  • Television service ideally would start at EIA 23 and extend continuously until the channel lineup is full.
  • Television service ideally would end at EIA 61 (allowing for DOCSIS in EIA 62 and up and/or MoCA E & D bands).


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