Rec. ITU-T G.775 (11/1994) … LOSS OF SIGNAL (LOS) AND ALARM INDICATION SIGNAL (AIS) DEFECT DETECTION AND CLEARANCE CRITERIA
FOREWORD
CONTENTS
SUMMARY
1 Scope
2 References
3 Abbreviations
4 Criteria for detection and clearance of a LOS defect
5 Criteria for detection and clearance of an alarm indication signal (AIS) defect condition
Appendix I … Other criteria that have been used for the detection/clearance of a LOS or AIS defects
I.1 LOS defect detection/clearance criteria
I.2 AIS defect detection/clearance criteria