Overview
- The SDH technique features numerous accessory functions and advantages, beginning with its very high transmission capacity
- High capacity SDH backbone networks are the transmission infrastructure not only of legacy telephone networks, but also of packet-switched broadband networks.
- Ethernet over SDH (EoSDH) is the latest trend in the transmission network.
Duration:
Instructor led training , Conducted on regular and fast track program. Contact us.
What you will gain?
After completing this course, the participant will understand about:
- principles of traditional FDM and PCM multiplexing of telephone channels;
- PDH multiplexing- E1 / E3/ DS3;
- the SDH frame structure, overhead and multiplexing schemes;
- the SDH pointer justification mechanism; K L M concepts.
- basics of SDH network synchronization;
- basics of SDH network management; DCN networks;
- Techniques and practical procedures for SDH system testing.
- NOC Processes
- EoSDH
Pre-requisites
Degree in engineering from ECE / CS /EEE /E&I with basic knowledge on digital communication is recommended. Industrial experience with telecom service provider /vendor is preferred.
Who should attend?
This course has been designed for the technical personnel of telecommunications service providers, equipment suppliers and NOC engineers. This may also include PDH/SDH system engineers, network planners, engineers in charge of system testing, operation & maintenance , NOC and customer support. The richness and depth of course topics cover a wide spectrum of practical and theoretical issues.
Practicals :
Excellent lab facility is available with SDH equipments to carryout different configuration , provisioning , fault management and O&M activities. Latest EoSDH facilities are also available.
Course outline
1. Introduction to Multiplexing
- Frequency division multiplexing (FDM) and FDM hierarchy
- Analog/digital conversion
- Time division multiplexing (TDM)
- PCM telephone multiplex
- Synchronous digital multiplexing
- Optical multiplexing (WDM, OTDM)
2. PDH transmission systems
- Asynchronous digital multiplexing
- Bit justification
- Frame structure
- PDH multiplexing hierarchy
- PDH equipment
- Drawbacks
3. SDH transmission systems
- Historical outline
- ITU-T standards
- Advantages compared to PDH
- SDH & SONET hierarchical levels
4. SDH frame structure
- ETSI and ITU-T multiplexing schemes
- Multiplexing elements
- Examples of synchronous multiplexing
- Pointer justification
- Concatenation
- Overhead
- SDH frame for radio systems
- BIP-n codes: bit error rate estimation
5. Ethernet over SDH
- Overview
- LCAS
- VCAT
- VC12 mapping in SDH
6. IP over SDH (Packet over SDH)
- Motivation
- Protocol stack
- Beyond STM-16
7. SDH equipment
- Functional schemes
- Scrambling
- Alarms and alarm states
- Physical interfaces and line systems
- Regenerators
- Line Terminal Multiplexers, Add Drop Multiplexers (ADM) and application examples
- Digital Cross Connect (DXC) and application examples
- Radio relay equipment and application examples
8. SDH network architectures
- Overview
- Traffic protection: line protection, ring protection, restoration in DXC networks
- Applications
9. Synchronization aspects in SDH networks
- Synchronization in telecommunications
- Timing relationships among digital signals
- Synchronous and asynchronous transport modes
- Jitter and wander
- Causes of jitter and wander in SDH transmission systems
- Network synchronization
- Models and characterization of clocks
10.Testing of SDH equipment and systems
- Instrumentation
- Testing of SDH equipment
- Testing of SDH systems
11. Basics of SDH network management
- General model of Telecommunication Management Network (TMN)
- TMN functional architecture
- TMN physical architecture
- Information model
- SDH network management
- NOC processes
12. Introduction to fiber optical networks
- Different types of fiber – SM , MM
- Different wavelengths in optical communication
- Link engineering in OFC communication
- Testing of OFC links.