Verilink AS2000: The Basics (880-502981-001) Product Manual - Manual (Page 152)

Acronyms and Definitions
Glossary-32 Verilink Access System 2000: Basics
loss of TS16 multiframe alignment
(LOMA)
An E1 error condition occurs when
the received multiframe cannot
detect the channel associated
signaling multiframe alignment on
timeslot 16.
LSES Line Severely Errored Second. In a
DS3 service, a second in which 44
or more LES s OR one or more LOS
defects were received by the CSU.
LUAS L Unavailable Second.