User`s manual

Appendix E Abbreviations
108
Abbreviation Description
LP Lower order Path
LPA Lower order Path Adaptation
LPC Lower order Path Connection
LPOM Lower order Path Overhead Monitor
LPT Lower order Path Termination
LTI Loss of all Incoming Timing references
LUG Lower order path Unequipped Generator
MCF Message Communications Function
MS Multiplex Section
MSA Multiplex Section Adaptation
MSOH Multiplex Section OverHead
MSP Multiplex Section Protection
MST Multiplex Section Termination
NDF New Data Flag
NE Network Element
NEF Network Element Function
NNI Network Node Interface
OFS Out-of-Frame Second
OHA OverHead Access
OOF Out Of Frame
PDH Plesiochronous Digital Hierarchy
PPI PDH Physical Interface
POH Path OverHead
PSE Protection Switch Event
RS Regenerator Section
RSOH Regenerator Section OverHead
RST Regenerator Section Termination
SD Signal Degrade
SDH Synchronous Digital Hierarchy
SDXC Synchronous Digital hierarchy Cross-Connect
SEMF Synchronous Equipment Management Function
SES Severely Error Second
SETG Synchronous Equipment Timing Generator
SETPI Synchronous Equipment Timing Physical Interface
SETS Synchronous Equipment Timing Source
SF Signal Fail