
Configuring WAN Line Services
xxxvi
308648-14.00 Rev 00
BofL
Breath of Life (message)
BRI
Basic Rate Interface
CC
clear channel
CCITT
International Telegraph and Telephone Consultative
Committee (now ITU-T)
CPE
customer premise equipment
CRC
cyclic redundancy check
CSMA/CD
carrier sense multiple access/collision detection
CTS
clear to send
DCE
data communications equipment
DDS
digital data system
DLSw
data link switching
DMCT1
Nortel Networks Dual-Port Multichannel T1 link or net
module
DS0
digital signal, level zero (0)
DS0A
digital signal, level zero, subrate A
DS01
digital signal, level one
DSR
data set ready
DSU/CSU
data service unit/channel service unit
DSX-1
digital system cross-connect, level 1
DTE
data terminal equipment
ESF
extended superframe format
FCS
frame check sequence
FDDI
Fiber Distributed Data Interface
FDL
facility data link
FT1
fractional T1
GOSIP
Government Open Systems Interconnection Protocol
HDB3 high-density bipolar coding
HDLC
high-level data link control
HSSI
high-speed serial interface
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