Training Course Outline

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ENG-302E

DIGITAL NETWORKS: TX, DSX AND XDSL

Description

A 3-day training course to provide participants with an understanding of the fundamental concepts of digital networks and of Tx, DSx and xDSL technologies and their applications.

Objectives

• Explain the fundamental concepts of digital transmission systems
• Define Synchronous Digital Hierarchy (SDH)
• Distinguish between different digital transmission systems
• Provide an in depth understanding of the following digital technologies and their applications:
• T1 and T3
• DS1, DS3 and DS4
• The xDSL family

Topics

• Digital technology fundamentals
• Market motivation
• Business applications
• Vendors
• Interoperability, scalability and future proof
• Benefits of digital carriers
• Digital network standards (ISDN, SONET, SDH, PDH)
• A/D conversion
• Signalling

• DS1 – DS3
• DS0, DS1 and DS3 characteristics
• Digital Signal hierarchy (DS0 – DS4)
• Digital signal coding
• Signal levels and standards
• Digital carrier framing
• DS1 frame format
• DS3 frame format
• Super Frame (D4 or SF) and Extended Super Frame (ESF)
• Channels Service Unit (CSU)
• Data Service Unit (DSU)
• Combined CSUs/DSUs
• Multiplexers (MUX)
• Channel banks
• B7Sub/B8Sub
• Zero Code Suppression (ZCS)
• ZBTSI
• Bandwidth loss, frequency response
• AMI, B8ZS, NRS, AM, FM, PSK, QAM
• Synchronous and asynchronous transmission
• HDB3/B3ZS
• Formatted vs. non-formatted

• T1 technology
• T1/T3 hierarchy
• T1 channel banks
• T1 networking
• Development of T-carrier system
• T1 fundamentals
• Multiplexers
• What is fractional T1?
• T1 equipment
• Applications
• Digital Access Cross-connect System (DACS)
• D4 channel bank
• Private Branch eXchange (PBX)
• CSU functions
• T1-MUX
• FT series fractional T1 DSU/CSU

• T3 technology
• T3 networking
• T3 fundamentals
• T3 formats, standards and protocols
• T1 and T3 equipment
• T3 applications
• Tx T-extenders

• T1 and T3 services
• Types of service providers
• Local Exchange Carriers (LEC)
• Inter-eXchange Carriers (IXC)
• Access providers
• Ordering carrier services
• Costs and tariffs
• Pricing components
• Distance calculations

• ADSL
• Evolution and background
• Analogue local loop – copper
• Digital PSTN – ISDN services
• High-speed Internet access
• xDSL technologies
• Evolution of xDSL technologies
• ADSL overview
• xDSL family
• IP-based services over ADSL
• Distance vs. speed limitations
• xDSL equipment
• ADSL architecture
• ADSL framing
• DSL Access Mux (DSLAM)
• ADSL physical layer issues

Target Audience

• Telecommunications managers and personnel responsible for or working with digital networks
• Managers looking to complement their skill-set by gaining a good understanding of digital networks

Methodology

Our training courses combine expert presentations, workshops, case studies and discussions on real-life situations faced by participants. Complete training material is provided to all participants for future reference and follow-up action plans.

Location

Our training courses are held at regular intervals in selected cities around the world. Upon request, our expert trainers can lead training courses at the location of your choice. If interested, please contact us at training@neotelis.com.

Expertise

Neotelis provides consulting and training services to telecommunications organizations worldwide. Its team of experts has trained thousands of executives and managers working for operators, regulators, policy-makers and governments in over 100 countries around the world.