• CCITT Rec. M.130 (11/1988) – OPERATIONAL PROCEDURES IN LOCATING AND CLEARING TRANSMISSION FAULTS
  • 1 The reporting ...
  • 2 Basic principles for locating a fault on a circuit
  • 3 Faults observed at repeater stations as a result of local or extended alarms
  • 4 Special faults
  • 5 Escalation procedure
  • ANNEX A – Outline procedure for locating faults on circuits routedvia a circuit multiplication system
  • A.1 General
  • A.2 Fault localization procedure for circuits routed via CMS
  • A.3 CMS signalling channel faults
  • References