
61200.130L1-1 FSU User Manual 113
Acronyms and Abbreviations
Acronyms and Abbreviations
ACK ........................................................acknowledgment
ANSI .......................................................American National Standards Institute
AR ...........................................................access rate
ARP.........................................................address resolution protocol
async .......................................................asynchronous
BECN ......................................................backward explicit congestion notification
BOP .........................................................bit oriented protocol
CCITT .....................................................Consultive Committee for International Tele-
phony and Telegraphy
CD ...........................................................carrier detect
CO ...........................................................central office
CPE .........................................................customer premise equipment
CRC.........................................................cyclic redundancy check
CS ............................................................clear to send
CSU .........................................................channel service unit
CTS..........................................................clear to send
dB ............................................................decibel
DBU ........................................................dial backup
DCD ........................................................data carrier detect
DCE.........................................................data communications equipment
DDS.........................................................digital data service
DE............................................................discard eligible
DLCI .......................................................data link connection identifier
DSAP ......................................................directory scope analysis program
DSR .........................................................data set ready
DSU.........................................................data service unit
DTE .........................................................data terminal equipment
DTR.........................................................data terminal ready
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