SR TSY 000963 : ISSUE 1

1 PURPOSE AND APPLICATION
1.1 Document Overview
1.2 Scope of Product Coverage
1.3 Outage Performance
1.4 Relationship to Product Reliability
              Performance Requirements
1.5 Circuit Switching Systems
1.5.1 Performance Objectives
1.5.2 Outage Definitions and Classification
1.6 Other NSEs
1.7 Outage Analysis
2 OUTAGE DEFINITIONS
2.1 Outage Impact and Analysis
2.2 Circuit Switching System Definition
2.3 Circuit Switching System Field Outage Definitions
2.3.1 Individual Line and Trunk Outage Definition
2.3.2 Partial System Outage Definition
2.3.3 Total System Outage Definition
2.3.4 Reportable System Outage Definitions
3 NOTIFICATION OF SYSTEM OUTAGE
4 SERVICE FAILURE ANALYSIS
4.1 Service Failure Analysis Committee
4.2 Service Failure Analysis Report
4.2.1 Report Format
4.2.2 Report Distribution
5 OUTAGE CLASSIFICATIONS
5.1 Outage Classification Categories
5.2 Detail of Outage Analysis and Classification
6 OUTAGE PERFORMANCE MEASUREMENT
6.1 Downtime Performance Measurement Calculations
6.2 Outage Frequency Measurement Calculation
6.3 Summary of DPM and OFM Calculation
6.4 Measurement Period
7 OUTAGE PROFILE ANALYSIS DATA
7.1 Outage Profile Data
7.2 Outage Profile Report
8 GLOSSARY
9 REFERENCES
Attachment
LIST OF TABLES
Table 1 Reportable System Outage Definition
Table 2 Summary of DPM and OFM Calculation