SDH

Celtic Communications Europe
Lydney, Gloucestershire, United Kingdom

Course Format: Classroom | E-learning | Virtual Class | Online | On-site | Blended | Self-paced

Course Description:

'' An Overview of Synchronous Digital Hierarchy (SDH) that has been designed to offer an overview of existing Backbone Digital Transmission Hierarchies compared against the technology that is SDH.

Duration - 1 Day.

Course Content

Introduction

The Communication Layers.
The Role of the Transport Network.
Overview of PDH.
PDH Hierarchy.
PDH Multiplexing Mapping Structure.
Principles of PDH Multiplexing.
Versions of Time Division Multiplexing.
Limitations of PDH.
SDH Introduction

PDH -SDH Comparisons.
Advantages of SDH.
ITU-T Recommendations/Standards for SDH.
Comparisons and differences between SDH/SONET.
SDH and SONET Bit Rates.
SDH Multiplexing Hierarchy.
Analogy of SDH Multiplexing Hierarchy.
Definition of Path and Section Overheads.

SDH Functional View Overview of SDH Functional Blocks.
Description of Functional Modules.
Use of Concatenation in SDH.
Description of Contiguous Concatenation.
Description of Virtual Concatenation.

SDH Equipment Configuration and Topologies

SDH Transmission Rates.
SDH Electrical and Optical Interfaces.
SDH Terminal Multiplexer (TM).
SDH TM Configuration examples.
SDH Add Drop Multiplexer (ADM).
SDH ADM Configuration examples.
SDH Digital Cross Connects (DXC).
SDH Network Sections.
SDH Point to Point.
SDH Ring Networks.
SDH Star Topology.
SDH Meshed Network.

Example of SDH Network

SDH Multiplexing Technique
Multiplexing Terminology.
Mapping and Aligning Tributary Signals (Containers ’C’).
Virtual Container (VC) Path Overheads.
VC’s into Tributary Units (TU).
TU Pointers, Multiplexing TU’s into a Tributary Unit Group 2 (TUG2).
Multiplexing TUG2’s into TUG 3.
Multiplexing TUG 3’s into VC 4.
Multiplexing numbering scheme.
VC 4 Path Overheads.
Administrative Unit (AU 4) Pointer.
Role of the AU 3.
Role of the Administrative Unit Group (AUG).
STM-N Section Overheads.
Example of a Complete STM-N.

SDH Network Synchronisation

Need for Synchronisation.
Clock Qualities.
Equipment Timing Options.
Distribution of Timing in SDH Networks (PAMS).
ITU-T Synchronisation Network Reference Chains.
Timing Reference Selection and Status.

SDH Protection

Hardware Component Protection.
Multiplex Section Protection (MSP) 1+1, MSP 1:1,and MSP 1:N.
Sub Network Connection Protection (SNCP).
Network Protection Options.
Dedicated Protection Ring (DPRing).
Multiplexed Section Protection Ring (MS SPRing).

SDH Management

Definition of Network Management.
Role of Network and Element Managers (NEM).
Role of Local Controllers (LC).
Access of Network from Management Platforms.
Layout of DCN.
Examples of options for Access via the DCN onto SDH.

SDH Auxiliary and Alarm Functionality

Examples of SDH Alarms.
SDH Alarm Generation and Interaction.
SDH Alarm.
Error Monitoring Signals and Alarms.


...''

Phone:+44 1594 842584

School Address:

Oak House
Aylburton Business Centre
Aylburton
Lydney
Gloucestershire
GL15 6ST

Jobs & Resumes: Lydney
Houses & Roommates: Lydney

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