
About This Guide
117021-A Rev. A
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Acronyms
AMI alternate mark inversion
ANSI American National Standards Institute
AUI Attachment Unit Interface
B8ZS
bipolar with 8-zero substitution
BofL Breath of Life (message)
BRI Basic Rate Interface
CCITT International Telegraph and Telephone Consultative Committee
(now ITU-T)
CRC cyclic redundancy check
CSMA/CD carrier sense multiple access with collision detection
CTS clear to send
DCE data communications equipment
DDS digital data system
DMCT1 Bay 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
DSU/CSU data service unit/channel service unit
DSR data set ready
DSX-1 digital system cross-connect, level 1
DTE data terminal equipment
FDDI Fiber Distributed Data Interface
FCS frame check sequence
FDL facility data link
FT1 fractional T1
HDB3
high-density bipolar
HDLC high-level data link control
IP Internet Protocol
ISDN Integrated Services Digital Network
ISO International Organization for Standardization
ITU-T International Telecommunications Union–Telecommunications
(formerly CCITT)
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