DOCSIS 3.1 Refresher

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DOCSIS 3.1 Refresher

Date

27 May 2025

Duration

11:00 AM - 15:00 PM

Location

hybrid

In-person and on-line

The DOCSIS 3.1 Refresher course refreshes in a half a day the fundamental aspects of DOCSIS 3.1.

This course is meant for people who can benefit from a quick refresher of the previous attended DOCSIS 3.1 training. Mainly prior to attending the DOCSIS 4.0 training it is worth considering this quick refresher of the DOCSIS 3.1 fundamentals needed to understand how DOCSIS 4.0 is using them.

It is recommended that the attendee already has a good knowledge of DOCSIS to fully benefit of attending this course.

A good refreshment/recap of the DOCSIS 3.1 training

After attending this course, the attendee will have refreshed its understanding of the DOCSIS 3.1 concepts, key issues and advantages and is well prepared to start the DOCSIS 4.0 training.

Prerequisites: Attended Technology & Protocol Level 1 training + DOCSIS 3.1

Course syllabus

Technology Overview

Increased speeds · Understanding OFDM, subcarriers, pilots, cyclic prefix , windowing roll-off, and numerology

Cable Modem Initialization and Profile Management

Locking (PLC, OCD, DPD, NCP), Ranging and registration · Profile management (OPT, test SID, probing, CM-STATUS)

Features

Advanced Queue Management (AQM) · Hierarchical QoS (HQoS) · PKI signing changes & software upgrade · DOCSIS Low Latency

Preparing for the 3.1 & 4.0 Transition

Expected scenario's · Capacity calculation · HFC network readiness ·Power levels and physical layer implications · PNM

DOCSIS 3.1 Refresher