Skip to main content


Introduction to testing legacy SDH

This course covers the basics of legacy SDH technology and its test applications using EXFO’s FTB/IQS-8115/8120/8130 SONET/SDH analyzers. This training session discusses both theory and practice.

1 day
Live online


Part 1

Legacy SDH − An overview

  • PDH networks and their limitations
  • Benefits of synchronization
  • SDH networks
    • Definition
    • Rates and format
    • Network elements
    • Configurations and protection schemes
Part 2

Legacy SDH testing applications using EXFO’s FTB/IQS-8115/8120/813

  • Continuity test
  • BER test
  • Error sectionalization
  • Signal auto-detection
  • Alarm and error processing
  • Round-trip delay
  • Synchronization
  • Protection switching
  • Remote management
  • Scripting


Basic comprehension of math and physics
Basic knowledge of telecommunications


The first part of this course consists of lectures using PowerPoint presentations and demonstrations, while the second part provides practical training with hands-on testing exercises using EXFO’s FTB/IQS-8115/8120/8130 SONET/SDH analyzers.


Attendees will receive a binder containing copies of presentations and other printed handouts, if applicable. When available, a CD containing the electronic version (PDF format) of the presentation, as well as related application notes, will also be provided.


8:00 PM - NOON

Part 1: Theory of E1 technology and ATS-QSIG

Overview of legacy SDH

NOON - 1:00 PM


1:00 PM - 5:00 PM

Part 2: Hands-on session

Legacy SDH testing applications using EXFO’s FTB/IQS-8115/8120/8130