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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