ADTRAN MX2800 M13 - Page 179

MX2800 M13 Multiplexer User Manual Acronyms/Abbreviations, Appendix D
61200290L1-1G D-3
L
LAIS ............................. loop-side alarm indication signal
LAN..............................local area network
LCV..............................line coding violation
LED .............................. light emitting diode
LES............................... line errored seconds
LIU ...............................line interface unit
LL ................................. local loopback
LOF ..............................loss of framing
LOS .............................. loss of signal
M
MBE .............................M-bit errors
Mbps............................. megabits per second
MIB .............................. management information base
ms ................................. millisecond
N
NC................................. normally closed
NI.................................. network interface
NMS ............................. network management system
NO ................................ normally open
NRZ..............................non-return to zero
NSA .............................. non-service-affecting
O
OCU ............................. office channel unit
OOF.............................. out of frame
OOS.............................. out of service
P
PCV .............................. P-bit coding violation
PES............................... P-bit errored seconds
POP .............................. point of presence
PPP............................... point-to-point protocol
PRF............................... performance
PSES............................. P-bit severely errored seconds