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Course overview

SDH

Synchronous Digital Hierarchy transport frames, overhead, management, and SONET alignment.

18 lessonsAdvanced1 h
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Course lessons

Follow this path using the existing Teleinf Edu article library.

18 lessons
  1. 01Lesson 1Advantages of SDH over PDH | Teleinf EduSimplified multiplexing, management, scalability, multi-vendor interoperability.2 min read
  2. 02Lesson 2SDH vs SONET | Teleinf EduRelationship, naming differences (STM-1 vs OC-3), and interoperability layers.2 min read
  3. 03Lesson 3SDH STM-1 Frame | Teleinf EduStructure of the 9x270 byte frame, section vs path overhead.2 min read
  4. 04Lesson 4SDH Overhead Bytes | Teleinf EduRegenerator, Multiplexer Section, and Path Overhead functions.2 min read
  5. 05Lesson 5SDH Multiplexing Hierarchy | Teleinf EduFrom STM-1 upward: STM-4/16/64 and mapping logical containers.2 min read
  6. 06Lesson 6Higher Order STM Levels | Teleinf EduScaling beyond STM-1: STM-4/16/64/256 rates and aggregate capacities.2 min read
  7. 07Lesson 7SDH Containers (C-n) | Teleinf EduPayload containers C-11/C-12/C-2/C-3/C-4 and their relationship to service signals.2 min read
  8. 08Lesson 8Virtual Containers (VC) | Teleinf EduVC-11/12/3/4 roles and TU/AU adaptation for payload flexibility.2 min read
  9. 09Lesson 9Mapping PDH in SDH | Teleinf EduEncapsulation of E1/T1 in VC.2 min read
  10. 10Lesson 10Tributary Units (TU) | Teleinf EduTU-11 / TU-12 / TU-2 / TU-3 structure and pointer-based alignment.2 min read
  11. 11Lesson 11Administrative Units (AU) | Teleinf EduAU-3 vs AU-4 and their role in mapping VCs into STM payload.2 min read
  12. 12Lesson 12AU/TU Adaptation Structure | Teleinf EduHow administrative and tributary units combine with pointers for flexible multiplexing.2 min read
  13. 13Lesson 13Pointer Mechanism | Teleinf EduHow pointers enable dynamic alignment without full demultiplexing.2 min read
  14. 14Lesson 14SDH Network Equipment | Teleinf EduRoles of Terminal Multiplexers, Add-Drop Multiplexers, and Cross-Connects.2 min read
  15. 15Lesson 15SDH Ring Topologies | Teleinf EduTwo/four-fiber rings, resilience mechanisms, switching times.2 min read
  16. 16Lesson 16SDH Protection Schemes | Teleinf Edu1+1, MSP, SNCP, and ring-based protection approaches.2 min read
  17. 17Lesson 17SDH Management & OAM | Teleinf EduDCC channels, performance bytes, remote error indication.2 min read
  18. 18Lesson 18SDH Performance Monitoring | Teleinf EduError counters (B1/B2/B3), thresholds, and maintenance signals.2 min read

Course quizzes

Pass the assigned quiz to finish the course progress.

1
  1. 01QuizSDHPractice STM framing, SDH/SONET alignment, containers, pointers, multiplexing, OAM, equipment, rings, and protection.Premium