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[M.495] Recommendation M.495 (11/88) - Transmission restoration and transmission route diversity: terminology and general principles


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Table of Contents
ITU-T Rec. M.495 - TRANSMISSION RESTORATION AND TRANSMISSION ROUTE DIVERSITY: TERMINOLOGY AND GENERAL PRINCIPLES
NOTES
TRANSMISSION RESTORATION AND TRANSMISSION ROUTE DIVERSITY: TERMINOLOGY AND GENERAL PRINCIPLES
1 Purpose of transmission restoration and transmission route diversity
2 Causes of transmission failures
3 Definitions concerning transmission restoration and transmission route diversity
  3.1 Basic concepts
  3.2 Systems and equipment
  3.3 Control)
  3.4 Time intervals associated with transmission restoration processes
  3.5 Software related terms
  3.6 Route diversity
4 Principles of transmission restoration and transmission route diversity
  4.1 General principles
  4.2 Transmission restoration systems
  4.3 Transmission route diversity
  4.4 Restoration times
  4.5 Restoration criteria
5 Methods of transmission restoration
  5.1 General
  5.2 Automatic restoration
  5.3 Semi-automatic restoration
  5.4 Manual restoration
6 Considerations involved in planning transmission restoration systems
  6.1 Parameters to be taken into account:
  6.2 Restoration network planning
References


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