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= Term carried over from FS-1037C
= New term from open literature
= New term from ANSI T1 sources
D*
D-A
DACS
daemon
DAMA
damping
damping ratio
dangling threat
dangling vulnerability
dark current
DAT
data
data access arrangement
data aggregation
data attribute
data authentication
data bank
database
database engineering
database management system (DBMS)
data base node (DBN)
data burst
data bus
data channel
data circuit connection
data circuit-terminating equipment
data collection facility
data collection processor
data communication
data communication control procedure
data communication network (DCN)
data communications control character
data communications equipment
data compaction
data composite
data compression
data concentrator
data conferencing repeater
data contamination
data corruption
data country code
data definition
data definition language (DDL)
data-dependent protection
data description language (DDL)
data dictionary
data directory
data element
Data Encryption Standard (DES)
data flow control
data forwarder
data frame
datagram
data integrity
data item
data key
data link
data link connection identifier (DLCI)
data link escape character (DLE)
Data Link Layer
data logging
data management
data management system
data medium
data mining
data mode
data network identification code (DNIC)
data numbering plan area (DNPA)
data origin authentication
data phase
data processing
data processing equipment
data protection
data rate
data reconstitution
data reconstruction
data register
data restoration
data scrambler
data security
data separation
data service unit (DSU)
data set
data signaling rate (DSR)
data signaling rate transparency
data sink
data source
data station
data stream
data subscriber terminal equipment
data switching exchange (DSE)
data template
data terminal equipment
data transfer device
data transfer rate
data transfer request signal
data transfer time
data transmission
data transmission circuit
data unit
data validation
data volatility
date
date-time group (DTG)
dating format
dB
dBa
dB(A)
dBa(F1A)
dBa(HA1)
dBa0
dBc
dBi
dBm
dBm(psoph)
DBMS
dB
dBmV
dBm0
dBm0p
dBr
dBrn
dBrn adjusted
dBrnC
dBrnC0
dBrn(f
1
-f
2
)
dBrn(144-line)
DBS
dBu
dBv
dBW
dBx
dc
DCA
DCE
DCE clear signal
DCE waiting signal
D channel
DCOM
dc patch bay
DCS
DDD
DDL
DDN
dead link
deadlock
dead sector
dead space
DEA key
debug
deception
deception repeater
decertification
decibel
decipher
decision circuit
decision instant
decode
decollimation
decompression
decrypt
dedicated circuit
dedicated mode
dedicated service
dedicated service link connection
deemphasis
deep linking
deeply depressed cladding fiber
deep space
de facto
standard
default
Defense Communications System (DCS)
Defense Data Network (DDN)
Defense Switched Network (DSN)
definition
deflection
degauss
degaussing
degradation
degraded minute (DM)
degraded service state
degraded unit of time
degree of coherence
degree of isochronous distortion
degree of start-stop distortion
dehop
dejitterizer
delay
delay distortion
delayed-delivery facility
delay encoding
delay equalizer
delay line
delay modulation
delay time
delay working
delegated accrediting authority
deleted bit
deleted block
delimiter
delivered block
delivered duplicated frame
delivered errored frame
delivered out-of-sequence frame
delivered overhead bit
delivered overhead block
delivery confirmation
Dellinger effect
Dellinger fadeout
Dellinger fading
delta frame
delta modulation (DM)
delta-sigma modulation
demagnetizing
demand assignment
demand assignment multiple access (DAMA)
demand factor
demand load
demand service
demarc
demarcation point (demarc)
democratically synchronized network
demodulation
demon
demultiplex (DEMUX)
demultiplexing
deMUX
denial of service
dense binary code
dense wavelength division multiplexing (DWDM)
density
Department of Defense (DOD) master clock
departure angle
dependency
depolarization
depressed-cladding fiber
depressed-inner-cladding fiber
dequeue
deregulation
derivation key
derived unique key per transaction (DUKPT)
DES
descrambler
desensitation
designated accrediting authority
designated approving authority (DAA)
design margin
design objective (DO)
desktop publishing
desktop video
desktop video teleconferencing
despotically synchronized network
despun antenna
destination node
destination routing
destination routing address
destination user
de-stuffing
desynchronizer
detection
detectivity
detector
deterministic routing
deterministic transfer mode
Deutsches Institut für Normung (DIN)
deviation ratio
device certificate
device driver
D4
D-4
DFSK
dHTML
diad
diagnostic program
dial-around
dial back
dialed digits
dialing
dial mode
dial pulse
dial-pulse period
dial-pulse signaling
dial pulsing
dial service assistance (DSA)
dial signaling
dial switching equipment
dial through
dial tone
dial-tone delay
dial-up
diametral index of cooperation
dibit
dichroic filter
dichroic mirror
DID
dielectric
dielectric filter
dielectric lens
dielectric strength
dielectric waveguide
difference frame
differential encoding
differentially coherent phase-shift keying
differentially encoded baseband
differential Manchester encoding
differential mode attenuation
differential mode delay
differential mode interference
differential modulation
differential phase-shift keying (DPSK)
differential pulse-code modulation (DPCM)
differential quantum efficiency
differentiating network
diffraction
diffraction grating
diffraction limited
diffraction region
diffuse reflection
digerati
digest
digicash
digit
digital
digital access and cross-connect system (DACS)
digital access line
digital alphabet
digital audio tape (DAT)
digital cash (digicash)
digital certificate
digital channel
digital circuit
digital circuit patch bay
digital combining
digital computer
digital crossconnect system (DCS)
digital data
digital data service (DDS)
digital data system (DDS)
digital end office (DEO) complex
digital envelope
digital error
digital exchange
digital facsimile equipment
digital filter
digital frequency modulation
digital group
digital link
digital loopback
digital loop carrier (DLC)
digital milliwatt
digital modulation
digital multiplexer
digital multiplex hierarchy
digital network
digital path
digital phase-locked loop
digital phase modulation
digital primary patch bay
digital radio
digital reference signal (DRS)
digital selective calling (DSC)
digital service unit (DSU)
digital signal (DS)
digital signal 0 (DS0)
digital signal 1 (DS1)
digital signal 1C (DS1C)
digital signal 2 (DS2)
digital signal 3 (DS3)
digital signal 4 (DS4)
digital signal level 1 (DS1)
digital signature
digital signature algorithm
Digital Signature Standard (DSS)
digital slip
digital speech interpolation (DSI)
digital subscriber line (DSL)
digital switch
digital switching
digital synchronization
digital television (DTV)
digital test access unit (DTAU)
digital-to-analog (D-A) converter
digital transmission group
digital transmission system
digital transport
digital versatile disk
digital video
digital video disk
digital voice transmission
digital watermark
digitize
digitizer
digitizer tablet
digit time slot
digroup
DIN
diode laser
DIP
diplexer
diplex operation
dipole antenna
DIP switch
dipulse coding
Dirac delta function
direct access
direct address
direct bond
direct broadcast satellite radio
direct-buried cable
direct call
direct connect
direct coupling
direct current signaling (DX signaling)
direct detection
direct dialing service
direct distance dialing (DDD)
directed broadcast address
directed net
direct inward dialing (DID)
directional antenna
directional coupler
directionalization
direction finding
direction of scanning
directive gain
directivity pattern
direct orbit
directory access protocol (DAP)
directory number
directory server (DS)
directory system agent (DSA)
directory user agent (DUA)
direct outward dialing (DOD)
direct ray
direct recording
direct-sequence modulation
direct-sequence spread spectrum
direct-spread modulation
disabling tone
disaster recovery plan
disc
DISC
disclosure
discone antenna
disconnect
disconnect command (DISC)
disconnect-control office
disconnect signal
disconnect switch
disconnect timing
discretionary access control (DAC)
discriminator
discussion group
discussion list
discussion thread
disengagement attempt
disengagement denial
disengagement-denial probability
disengagement failure
disengagement originator
disengagement phase
disengagement request
disengagement time
disk and execution monitor (daemon)
diskette
disk pack
disparity
dispersion
dispersion coefficient
dispersion-limited operation
dispersion-shifted fiber
dispersion-unmodified fiber
dispersion-unshifted fiber
display device
dissolve
distance learning
distance measuring equipment (DME)
distance training
distinctive alerting
distinguished name
distortion
distortion-limited operation
distributed computing environment
distributed control
distributed database
distributed frame-alignment signal
distributed network
distributed processing
distributed-queue dual-bus (DQDB) [network]
distributed switching
distribution
distribution amplifier
distribution frame
distribution list server
distribution-quality television
distribution service
distribution voltage drop
distributor
disturbance voltage
dithering
diurnal phase shift
divergence
diversity
diversity combiner
diversity factor
diversity gain
diversity reception
diversity transmission
divestiture
D layer
DLE
DM
DNS
DO
document window
DOD
DOD master clock
domain
domain name
domain name server (DNS)
domain name service (DNS)
domain name system (DNS)
domestic fixed public service
domestic public radio services
dominant mode
D1
donor
dopant
doppler effect
doppler shift
dot address
dot pitch
dotted decimal notation
double-current transmission
double-ended control
double-ended queue (dequeue)
double-ended synchronization
double-frequency shift keying (DFSK)
double length key
double modulation
double refraction
double resolution still image
double-sideband reduced carrier (DSB-RC) transmission
double-sideband suppressed-carrier (DSB-SC) transmission
double-sideband (DSB) transmission
doubly clad fiber
down-converter
downlink
download
downstream
downtime
DPCM
DPSK
DQDB
dragging
D region
drift
driver
droid
drop
drop and insert
drop channel operation
dropout
drop repeater
drum factor
drum speed
DS
DSA
DSA board
DSB
DSB board
DSB-SC
DSC
DSE
DSI
DS0
DS1 . . . DS4
DS1C
DSN
DSP
DSR
D-Star(D*)
DSU
DTE
DTE clear signal
DTE waiting signal
DTMF
D2
D3
D-type patch bay
DUA
dual access
dual bus
dual control
dual diversity
dual-homed gateway
dual-homed host
dual homing
dual in-line package (DIP)
dual in-line package switch
dual-precedence message
dual seizure
dual-tone multifrequency (DTMF) signaling
dual-use access line
dub
duct
ducting
dumb terminal
dummy load
duobinary signal
duplex cable
duplex circuit
duplexer
duplex operation
duty cycle
dvd
dvi
DWDM
dwell time
DX signaling
DX signaling unit
dynamically adaptive routing
dynamically created Web page
dynamic arming/disarming
dynamic HTML
dynamicizer
dynamic range
dynamic variation
dynamic window control
This HTML version of Telecom Glossary 2K was last generated on Wed May 8 15:36:48 DT 2002.
