Northern UTA220/UTA220k - Manual (Page 169)

UTA220/UTA220k
G-3
Abbreviations and Acronyms
D
DAA
Data Access Arrangement (AT&T)
dB, db
Decibel
dc
Direct Current OR Digital Connection
DCE
Data Circuit Terminating Equipment OR Data Communications Equipment
DCD
Data Carrier Detect
DCPSK
Differentially Coherent Phase- Shift Keying
DDD
Direct Distance Dialing
DDS
Digital Data Service OR Dataphone Digital Service (AT&T)
DDS/MR
Digital Data Service / Multi Rate
DIC
Disregard Incoming Call
Dip
Dual In-line Package
DIS, DS
Disable
DLE
Data Link Escape
DLO
Data Line Occupied
DMS
Digital Multiplexer System
DOC
Department of Communications (Canada)
DOS
Disk Operating System
DPR
Digit Present
DRS
Data Rate Select
DSR
Data Set Ready
DSU
Data Service Unit
DTE
Data Terminal Equipment
DTMF
Dual Tone Multi Frequency
DTN
Dial Tone Detected
DTR
Data Terminal Ready