ADTRAN 4200659L1 - Manual (Page 171)

Appendix C. Acronyms/Abbreviations
61200659L1-1 MX2800 STS-1 User Manual C-3
FEBE ............... far end block error
HSSI ................ high-speed serial interface
IP ..................... internet protocol
KA ................... keep alive
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
MBE ................ M-bit errors
Mbps................ megabits per second
MIB ................. management information base
ms .................... millisecond
NC.................... normally closed
NI..................... network interface
NMS ................ network management system
NO ................... normally open
NRZ ................. non-return to zero
NSA ................. non service affecting
OCU ................ office channel unit
OOF................. out of frame
OOS ................. out of service
PCV ................. P-bit coding violation