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Appendix C. Acronyms/Abbreviations
FR
FRAD
FRF
FSU
HDLC
IP
ISDN
ITU
KA
LAN
LED
LLC
LMI
LRC
MIB
ms
NRZ
NRZI
OCU
OOS
PLAR
PPP
PU
PVC
RD
RDL
RFC
RFECN
RIP
RMA
RR
RS
RTS
Rx
SAP
SDLC
SLIP
56
frame relay
frame relay access device
frame relay forum
frame relay service unit
high-speed data link control
internet protocol
integrated services digital network
International Telecommunications Union
keep alive
local area network
light emitting diode
logical link control
local management interface
lateral redundancy check
management information base
millisecond
non-return to zero
non-return to zero inverted
office channel unit
out of service
private line automatic ringdown
point to point protocol
physical unit
permanent virtual circuit
receive data
remote digital loopback
request for comments
remote forward explicit congestion notification
routing information protocol
return material authorization
receiver ready
recommended standard
request to send
receive
service access point
synchronous data link control
serial line internet protocol
© 2004 ADTRAN, Inc
T1 ESF CSU ACE User Manual
61204025L1-1C
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