Fixed Access


ADSL and Local Loop Unbundling

Duration: 3 Days

Who should attend:

This course is particularly recommended to personnel working in network operation, maintenance and planning departments of a Service Provider or Network Provider offering digital broadband connectivity on the copper network.

An individual course planning is possible for this kind of course. If you would like to know more about this course please either call us on +43 (0)1 70795380 or send an email to

Digital transmission and main modulation techniques basic skills.

Course Content

This course includes the use of the training laboratory equipped several with devices (modems, DSLAM, etc.) properly configured, in order to simulate the real network operating conditions.

Course Objectives

This course provides trainees with knowledge on the access network structure, unbundling issues and voice, data and video services available to users through the use of xDSL technologies, with particular reference to ADSL. Furthermore, this training describes ATM and Ethernet access solutions to provide broadband services with ADSL and in its evolutions ADSL2 and ADSL2+.

Course Outline

  • Copper access network structure
  • Local Loop features
  • Twisted pair testing
  • Quality Parameters
  • Interference Issues
  • Troubleshooting
  • FTTx systems
  • xDSL system project
  • HDSL and SHDSL
  • ADSL2 and ADSL2+
  • Reference standards
  • Interfaces and reference points
  • User-Exchange connection
  • ADSL home cabling
  • QAM, DMT, CAP modulation
  • Rate adaptation and FEC
  • Echo cancellation
  • Statistical multiplexing
  • ATM Layer and AAL levels
Further information

If you would like to know more about this course please contact us