Understanding A/xDSL

3 Day Course
Code PWL038

This course has been retired. Please view currently available DSL Access Training Courses.

Modules

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Introduction and background (6 topics)

  • The analogue local loop - copper investment
  • The Digital PSTN - ISDN services
  • High speed Internet access
  • Telecommuting
  • The xDSL family
  • ADSL positioning

The xDSL technologies (14 topics)

  • The evolution of xDSL technologies
  • The Digital Subscriber Line
  • The distance vs speed limitations
  • High bit rate DSL: HDSL/HDSL2
  • HDSL and E1/T1 circuit provision
  • Single pair/symmetric DSL: SDSL
  • SDSL vs HDSL
  • Asymmetric DSL: ADSL
  • Consumer DSL/ADSL Lite
  • The use of splitters
  • Rate Adaptive DSL: RADSL
  • ISDN DSL: IDSL
  • Very high-speed DSL: VDSL
  • VDSL & ATM integration

The ADSL architecture (10 topics)

  • ADSL standards
  • ADSL network components
  • The ADSL interface
  • The ADSL transceiver unit function
  • ADSL reference points
  • Modulation techniques & ADSL
  • ADSL line coding CAP vs DMT
  • DMT operation
  • Network Management
  • Security Issues

ADSL framing (8 topics)

  • ADSL bearers
  • ADSL simplex & duplex operation
  • The ADSL superframe
  • ADSL framing structure
  • ADSL overheads
  • ADSL distribution modes
  • ADSL & ATM services
  • TCP/IP & ADSL

The DSL Access Mux - DSLAM (7 topics)

  • Providing the network service
  • DSLAM positioning
  • The network components: IP routers, ATM switches, Frame Relay
  • DSLAM and Local Area Networks
  • DSLAM and SDH integration
  • DSLAM features
  • DSLAM and network management

ADSL in practice (7 topics)

  • Configuring ADSL modems
  • Configuring DSLAM
  • Configuring Network Management
  • Customer Premises Equipment issues
  • International issues
  • Outstanding issues
  • DSL migration

Prerequisites

Participants should have a good understanding of telecommunications. Delegates include communications and telecommunications engineers developing systems and services for carriers and vendors Network planners, managers and administrators responsible for adopting new services in end-user organisations and communication service providers. Technical sales and marketing professionals from carriers and network systems vendors and integrators.

What Our Customers Say

The training was delivered with a high level of expertise and excellence. Instructor was highly knowledgeable.”

Technical Trainer, Aviat Networks

Overall the course was really good, the trainer really understood the material and was very approachable.”

Customer Training Manager, Aviat Networks

Excellent course, informative and well-paced.”

CSE, Cisco

Course was very well outlined. Topics were great and bridged many gaps.”

System Engineer, Cable & Wireless

An excellent intro to video encoding & MPEG transport streams - I would definitely recommend it.”

Broadcast Engineer, Cisco

Definitely an excellent intro. Left me interested in learning more.”

Broadcast Engineer, Eircom

Excellent training course with real examples and practical classroom demonstrations.”

Transport Designer, Orange

Instructor knowledge and experience was excellent.”

Solutions Engineer, Akamai

Excellent course, very clear and well organised. Course content delivery was very good.”

Assistant Engineer, Dhiraagu

Very informative and appropriate.”

Network Support Technician, BT

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