Maintenance Technology Level 2

The Maintenance Technology Level 2 course focuses on network transport with a thorough look at optical fiber networks including fiber transmission characteristics, fiber cables and connectors. Additional topics include data services with DOCSIS®, cable voice services with PacketCable, IP multimedia subsystem (IMS), session initiation protocol (SIP), all digital simulcast (ADS), analog reclamation, digital video, MPEG, Internet Protocol TV (IPTV), and cable Wi-Fi. Topics related to the headend and advanced network applications are introduced.

Recommended Prerequisite:
  • SCTE·ISBE Maintenance Technology Level 1

Target Audience:

  • Broadband Premises Installers / Technicians
  • Technical Operations
  • Hybrid Fiber Coax (HFC) or Access Network Technicians
  • Outside Plant (OSP) Technicians
  • Maintenance Technician, System Technician or equivalent
  • Headend or Hub Engineers

Included in the Course:

  • Engaging and Interactive LightningMod™ to prepare learner for training 
  • In-depth interactive eBook modules 
  • CORTEX® mobile app to access content modules in the field 
  • Apply module knowledge with real life experiences in a simulated environment 
    • 2 NetworkSims Included
  • Module assessments
  • Course final exam
  • Fun VirtuGame™ to improve absorption and retention of competencies 
  • SCTE·ISBE course completion certificate
  • 3 recertification units (RUs) towards SCTE·ISBE certification renewal

Requirements for Successful Course Completion:

  • Module quizzes 70% or higher
  • Course final test 70% or higher

You may take the course final test up to 3 times.


Self-paced interactive Online Course: Learners start the SCTE·ISBE VirtuLearn™ course at any time, study at their own pace, and have access to dynamic online content after they register. On average, learners will spend approximately 28 hours completing course activities. SCTE·ISBE provides access to the course for 3 years from date of purchase.

System Requirements: A high speed Internet (HSI) connection, Internet browser with HTML 5 support. For tablet or smartphone access, HTML 5 may be used for online eBook content.

Instructor-Led Onsite Boot Camp Course: The SCTE·ISBE VirtuLearn course may be delivered as an onsite boot camp over 5 days.

Course access information will be emailed when the course is purchased.

Course Modules:

Module 01: History of Fiber
Module 02: Competitive Network Technology
Module 03: Optical Networks
Module 04: Fiber Basics
Module 05: Transmission Characteristics of Fiber
Module 06: Optical Cables and Connectors
Module 07: Optical Signals at the Node
Module 08: Network Fundamentals
Module 09: Data Services and DOCSIS
Module 10: Voice Services PacketCable, IMS and SIP
Module 11: ADS and Analog Reclamation
Module 12: Advanced MPEG Compression
Module 13: SDV Headend Components
Module 14: Headend Clamping, IP ReMux and Edge Device
Module 15: Internet Protocol TV
Module 16: Cable Wi-Fi
Module 17: Advanced Network Applications

Course Objectives:

Module 01: History of Fiber

  • Identify the events that were instrumental in the development of optical fiber that is being used today as a means of communication in cable networks.
  • Identify some of the main drivers of the technology such as WDM, EFDA and DWDM.

Module 02: Competitive Network Technologies

  • Recognize the basics of how the Internet got to the subscribers home.
  • Contrast competing home Internet (also called last mile) access technologies.
  • Describe key differences of competing home Internet access technologies.

Module 03: Optical Networks

  • Understand a mixture of both theory and real world applications that will promote learning about fiber physics, optical detectors and transmitters.
  • State the process used by cable operators to multiplexing signals with light.
  • Explain how optical networks use amplification, modulation and demodulation

Module 04: Fiber Basics

  • Explain how light propagates through the common types of optical fibers.
  • Describe the common wavelengths used in optical transmission.
  • Define the characteristics of optical fiber.

Module 5: Transmission Characteristics of Fiber

  • Define the performance parameters of fiber optic cable.
  • Describe fiber phenomena called dispersion where light pulse spreads as it travels down the length of an optical fiber.
  • Understand the technique called mandrel wrapping that is used to modify modal dispersion.
  • Explain how optical power is lost as light travels through the fiber.
  • Explain the result when small portions of light are reflected.
  • Describe the fiber specifications for single and multimode fiber.

Module 6: Optical Cables and Connectors

  • Define the types of optical cables used by cable operators.
  • Understand how to read and utilize the fiber color codes.
  • Understand fiber specifications.
  • Name and describe three categories of optical cable.

Module 7: Optical Signals at the Node

  • Describe the operation of an optical node
  • Identify the basic characteristics of optical nodes
  • Recognize how fiber optic nodes in the HFC are powered
  • State the methods used by cable operators to troubleshoot a node

       Measure and test optical signals at the node

Module 8: Network Fundamentals

  • Explain how network topologies are used to physically lay out a network.
  • Describe the network operational models used to provide different circuits and networks segments.
  • Discuss common data networking components.
  • Explain the different digital numbering schemes used in networks.
  • Understand the different packet flows used by networks.
  • Compare and contrast the OSI and TCP/IP network protocol models.
  • Differentiate the four common data networking protocols: TCP, UDP, ARP and ICMP.
  • Understand the basic attributes of default, static and dynamic routing.
  • State the common types of digital media that uses networks as a transport.

Module 9: Data Services and DOCSIS

  • Recognize how the DOCSIS protocol is used within the cable network.
  • Understand the components that make up the DOCSIS protocol.
  • Understand how RF operates in the upstream and downstream.
  • Explain how DOCSIS modems function and initialize in the cable network.
  • Understand the security concerns and how DOCSIS addresses these concerns.
  • Describe the tools used for DOCSIS traffic management and bandwidth efficiency.
  • Recognize the function of service identifiers and how they are used in DOCSIS.
  • Understand the feature set of DOCSIS 3.1.

Module 10: Voice Services PacketCable™ IMS and SIP

  • Explain a 5-step process for how VoIP is created
  • Classify VoIP protocol functional areas
  • Describe VoIP signaling protocols in use today: MGCP and SIP
  • Distinguish between PacketCable™ 1.5 and 2.0
  • Describe the IMS platform and the various functional areas

Module 11: ADS and Analog Reclamation

  • Understand cable all digital simulcast by "Simulcasting" the analog lineup as a digital lineup.
  • Explain how analog spectrum reclamation creates additional spectrum bandwidth for new services.

Module 12: Advanced MPEG Compression

  • Recognize the types of color spaces used in digital video.
  • Understand how MPEG compression operates using
    • quantization
    • spatial frame coding
    • temporal frame coding
    • discrete cosine transform
  • Understand why MPEG timing is critical to video transport.
  • Describe MPEG's transport layer.

Module 13: SDV Headend Components

  • Identify the key headend hardware components required for switched digital video (SDV) using a block diagram.
  • Describe the SDV signal flow through the headend using a block diagram.
  • Describe the Broadband Multimedia Router (BMR) setup and associated input/output (I/O) cards.
  • Describe the switched broadcast (SwB) system management unit (SMU) and software applications.
  • Describe the switched broadcast (SwB) edge components and signal flow.
  • Describe how striping service groups (SGs) can reduce the effect of chassis failure.

Module 14: SDV Headend Clamping, IP ReMux and Edge Device

  • Describe how to map an incoming video stream through a multiplexer.
  • Describe how to set up the major edge components needed for SDV deployment.
  • Describe how to use the Switched Broadcast Manager (SBM) to establish switch sessions at one or more hubs.

Module 15: Internet Protocol TV

  • Review Internet Protocol Fundamentals.
  • Explain the fundamentals of Internet protocol TV.
    • ITU IPTV Standard, OCAP, Metadata, HTML5, etc…
  • Understand the video services delivery methods.
    • Zero to Many (Analog, Digital and Simulcast)
    • One to N (SDV, Multicast and Anycast)
    • One to One (Unicast)
  • Define IPTV digital compression techniques used to optimize bandwidth efficiency while maintaining competitive video quality levels.
  • State how the Adaptive Bit Rate Technology operates.
  • Understand IPTV formats like MPEG-DASH .
  • Explain how MPEG-DASH is used to deliver IP video.

Module 16: CableWiFi

  • Define the components of the Cable Wi-Fi network.
  • Explain carrier class Wi-Fi.
  • Discuss technologies like HotSpot 2.0 and 802.11ac.
  • Describe antenna and fast handoff technology.
  • Understand Wi-Fi and small cells

Module 17: Advanced Network Applications

  • Describe Dense Wave Division Multiplexing (DWDM).
  • Describe Course Wave Division Multiplexing (CWDM).
  • Understand how WDM is used with 40Gb/s and 100Gb/s.
  • Define Fiber-To-The-Curb, Fiber-To-The-Home.
  • Describe Passive Optical Networks (PON).
  • Describe digital return path.

       Measure and test WDM signals (CWDM, DWDM) to the node or fiber cabinet (FTTx)

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