DWDM Training | Dense Wavelength Division Multiplexing Training

DWDM Training | Dense Wavelength Division Multiplexing Training

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Introduction:

DWDM Training – Dense Wavelength Division Multiplexing Training Course Hands-on Exercises (Online, Onsite and Classroom Live)

Dense Wavelength Division Multiplexing (DWDM) is a key part of the world’s communications infrastructure. The revolution in optical transmission technologies that has occurred in this decade has allowed operators to dramatically increase their transmission capabilities at a fraction of the costs of legacy technologies. For anyone involved with telecommunication and information technology, understanding this technology is of vital importance.

In this introductory DWDM or Dense Wavelength Division Multiplexing course, you will learn the essentials of the T-carrier system, review the SONET/SDH basics, and study the technology and applications of dense wavelength division multiplexing. Toward the end of the DWDM Training course, we will also touch upon coarse wavelength division multiplexing.

Duration: 2 days

RESOURCES:

  • DWDM Training Introduction Study Guide by Alasdair Gilchrist – Paperback/Amazon
  • DWDM Training Study Guide by Vivek Alwayn  – Paperback/Amazon
  • DWDM Training Study Guide by Ashwin Gumaste – Paperback/Kindle – Amazon
  • Dense Wavelength Division Multiplexing Training Study Guide Alasdair Gilchrist – Paperback/Amazon
  • Dense Wavelength Division Multiplexing Training Study Guide by Balaji Kumar – Paperback/Kindle/Amazon

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Customize It:

  • We can customize the course to address the concerns unique to the various audience groups including transmission, network, or systems engineers, chipset manufacturers, R&D specialists, optical system installers, managers and executives, marketing and sales personnel, operations and support personnel, and others. Most customization is performed at little to no added cost.
  • We can adjust the emphasis placed on the various topics or build the DWDM or Dense Wavelength Division Multiplexing course around the mix of technologies of interest to you (including technologies other than those included in this outline).
  • If your background is nontechnical, we can exclude the more technical topics, include the topics that may be of special interest to you (e.g., as a manager or policy-maker), and present the DWDM – Dense Wavelength Division Multiplexing course in manner understandable to lay audiences.

DWDM Training or Dense Wavelength Division Multiplexing Training – Audience/Target Group:

  • Telecommunications transport, systems, and network engineers, capacity managers, and others responsible for the planning, design, or day-to-day operation and management of large telephony systems.

DWDM Training or Dense Wavelength Division Multiplexing Training – Class Prerequisites:

  • While there are no particular prerequisites for this Dense Wavelength Division Multiplexing course, some comfort with Physics and Mathematics will be helpful. However, all necessary Mathematics/Physics concepts will be reviewed within the course as needed.

DWDM Training or Dense Wavelength Division Multiplexing Training – Objectives:

Describe the key concepts and techniques of transport/optical transmission technologies including:

  • T-carrier system
  • SONET/SDH
  • DWDM
  • Coarse WDM

DWDM Training or Dense Wavelength Division Multiplexing Training – Course Outlines:

Introduction to Optical Technologies

    •  An overview of the transport technologies
    • Optical technologies:  Their advantages and disadvantages

The T-Carrier System

    • Framing
    • Synchronization
    • Extended super frame
    • Capacity overview

Review of SONET/SDH

    • Framing
    • Overhead
    • SONET structures
    • SONET carrier system
    • SONET synchronization
    • Concatenation
    • BLSR

WDM Technologies

    • History of WDM
    • Evolution of DWDM
    • Drivers of DWDM
    • Drivers of CWDM
    • Overview and comparison of DWDM and CWDM
    • Overview of a functioning DWDM system
      • Signal generation
      • Combiners/Mixers
      • Transmitters
      • Receivers

How optical fiber works

      • Refraction
      • Reflection
      • Cladding
      • Core
      • Overview of multimode fiber
      • Overview of single-mode fiber
      • Step index

Functional Descriptors:  DWDM

    • Standards and definitions
    • Channel spacing
    • Multiplexers
    • Optical multiplexers
    • Add/drop multiplexers
    • Wave division multiplexing
    • Signal regeneration

Functional Descriptors:  CWDM

    • ITU standard definition
    • Channel spacing
    • Applicability and use

Dense WDM

    • ITU standard definition
    • Channel spacing
    • Wavelengths
    • EDFA
    • DWDM terminal multiplexer
    • Add drop multiplexer in DWDM
    • DWDM terminal duplexer
    • Optical supervisory channel

DWDM Systems

    • Typical laser design:  An overview
    • ITU Grid G.692
    • Transponders
      • Re-transmission – 1R
      • Re-time and re-transmit – 2R
      • Re-time, re-transmit and re-clock – 3R
      • Multiplexed transponders
    • Transmitters
      • Attenuation
      • Chromatic dispersion
      • Nonlinearities
    • Optical amplifiers
    • Optical receivers
    • OADMs
    • Roadm (reconfigurable add/drop multiplexer) technology
    • DWDM in single-mode fiber systems
    • DWDM in multimode fiber systems

DWDM Applications

    • Long distance
    • Long haul
    • Self healing rings
    • Diversity
    • Network expansion

Course Wrap-up

    • Future evolution of optical technologies
    • Directions for advanced study
    •  Course recap, Q/A, and evaluations

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