• CCITT Rec. M.550 (11/1988) – PERFORMANCE LIMITS FOR BRINGING INTO SERVICE AND MAINTENANCE OF DIGITAL PATHS, SECTIONS, AND LINE SECTIONS
  • 1 General
  • 2 Allocation of objectives
    • 2.1 Reference models
    • 2.2 Allocation principles to be employed
  • 3 Relationship between performance limits and objectives
    • 3.1 Relationship between short-term limits and long-term objectives
    • 3.2 Types of limits
    • 3.3 Performance limits
    • 3.4 Translation of performance measurements
    • 3.5 Use of thresholds
  • 4 Parameters for performance limits
    • 4.1 Basic performance parameters
    • 4.2 Measurements using a QRSS
    • 4.3 Measurements using performance monitoring
  • 5 Performance limits
  • 6 Bringing-into-service and maintenance limits for digital line sections
    • 6.1 Performance limits for digital line sections at other rates
  • 7 Bringing-into-service and maintenance limits for digital sections
    • 7.1 Performance limits for digital sections at other rates
  • 8 Bringing-into-service and maintenance limits for digital paths
    • 8.1 Performance limits for digital paths at other rates
  • ANNEX A – Example performance limits
  • A.1 Calculation of performance limits
  • A.2 Example of bringing-into-service and maintenance limits for digital line sections
  • A.3 Example of bringing-into-service and maintenance limits for digital sections
  • A.4 Example of bringing-into-service and maintenance limits for digital paths
  • References