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Area: 721: Telegraphy, facsimile and data communication           Index language:

Hide details for [<u>Section 721-01: Forms of telecommunications using discrete signals</u>]Section 721-01: Forms of telecommunications using discrete signals
721-01-01
teleprocessing
721-01-02
data
721-01-03
data communication
721-01-04
data transmission
721-01-05
telematics (services)
721-01-06
telegraphy
721-01-07
alphabetic telegraphy
721-01-08
telewriting
721-01-09
facsimile
721-01-10
document facsimile
721-01-11
picture facsimile
721-01-12
phototelecopy
721-01-13
telegraph service
721-01-14
telegram service
721-01-15
telex (service)
721-01-16
supertelex (service)
721-01-17
teletex (service)
Hide details for [<u>Section 721-02: Discretely-timed and digital signals, signal elements</u>]Section 721-02: Discretely-timed and digital signals, signal elements
721-02-01
discretely-timed signal
721-02-02
digital signal
721-02-03
analogue signal
721-02-04
sampling (of a signal)
721-02-05
quantization
721-02-06
signal element
721-02-07
digit
721-02-08
binary digit
721-02-09
binary figure
721-02-10
n-ary digit
721-02-11
n-bit byte (1)
721-02-12
doublet (byte)
721-02-13
triplet (byte)
721-02-14
quartet (byte)
721-02-15
quintet (byte)
721-02-16
sextet (byte)
721-02-17
septet (byte)
721-02-18
byte
721-02-19
n-bit byte (2)
721-02-20
code
721-02-21
code conversion
721-02-22
significant condition
721-02-23
number of significant conditions
721-02-24
two conditions
721-02-25
three conditions
721-02-26
four conditions
721-02-27
change-over
721-02-28
transition
721-02-29
significant instant
721-02-30
significant interval
721-02-31
theoretical duration of a significant interval
721-02-32
unit interval
721-02-33
unit element
Hide details for [<u>Section 721-03: Transmission using discretely-timed or digital signals</u>]Section 721-03: Transmission using discretely-timed or digital signals
721-03-01
isochronous
721-03-02
anisochronous, adj
721-03-03
start-stop signal
721-03-04
synchronous
721-03-05
synchronous transmission
721-03-06
anisochronous transmission
721-03-07
start-stop transmission
721-03-08
digital transmission (of a discretely-timed signal)
721-03-09
character
721-03-10
character signal
721-03-11
block
721-03-12
start-of-block signal
721-03-13
end-of-block signal
721-03-14
block signal
721-03-15
start signal
721-03-16
start element
721-03-17
stop signal
721-03-18
stop element
721-03-19
A condition
721-03-20
Z condition
721-03-21
equal length code
721-03-22
n-unit code
721-03-23
code word
721-03-24
A element
721-03-25
Z element
721-03-26
modulation rate
721-03-27
baud
721-03-28
speed conversion
721-03-29
actual transfer rate
721-03-30
binary rate
721-03-31
effective transfer rate
Hide details for [<u>Section 721-04: Transmission channels and methods</u>]Section 721-04: Transmission channels and methods
721-04-01
telephone-type channel
721-04-02
telephone-type circuit
721-04-03
wideband channel
721-04-04
multiplex
721-04-05
multiplexing
721-04-06
demultiplexing
721-04-07
multiplexer
721-04-08
demultiplexer
721-04-09
muldex
721-04-10
multiplex signal
721-04-11
time division multiplexing
721-04-12
frequency division multiplexing
721-04-13
homogeneous multiplex
721-04-14
heterogeneous multiplex
721-04-15
simplex
721-04-16
duplex, adj and noun
721-04-17
differential duplex
721-04-18
bridge duplex
721-04-19
incremental duplex
721-04-20
opposition duplex
721-04-21
unidirectional, adj
721-04-22
bidirectional
721-04-23
one-way, adj
721-04-24
both-way, adj
721-04-25
(frequency) channel
Hide details for [<u>Section 721-05: Direct current transmission</u>]Section 721-05: Direct current transmission
721-05-01
direct current transmission
721-05-02
single current transmission
721-05-03
double current transmission
721-05-04
on-off transmission
721-05-05
sub-telephone transmission
721-05-06
phantom circuit
721-05-07
earth-return phantom circuit
721-05-08
earth-return double phantom circuit
721-05-09
double phantom circuit
721-05-10
Desieter telegraph translation
Hide details for [<u>Section 721-06: Carrier transmission, multiplexing</u>]Section 721-06: Carrier transmission, multiplexing
721-06-01
carrier transmission
721-06-02
time division multiplex transmission
721-06-03
differential modulation, <in telegraphy>
721-06-04
modulation with a fixed reference
721-06-05
amplitude shift keying
721-06-06
frequency shift keying
721-06-07
phase shift keying
721-06-08
differential phase shift keying
721-06-09
phase inversion modulation
721-06-10
quadrature phase shiff keying
721-06-11
modulation index, <in two-condition frequency shift keying>
721-06-12
coherent modulation
721-06-13
super-telephone transmission
721-06-14
interband transmission
721-06-15
intraband transmission
721-06-16
speech + simplex (equipment)
721-06-17
speech + duplex (equipment)
721-06-18
bisector
721-06-19
first data multiplexer
721-06-20
second data multiplexer
721-06-21
frame
721-06-22
sub-frame
721-06-23
frame alignment
721-06-24
frame alignment recovery time
Hide details for [<u>Section 721-07: Transmission performance, distortion in time</u>]Section 721-07: Transmission performance, distortion in time
721-07-01
perfect (discrete) signal
721-07-02
ideal instant
721-07-03
time distortion
721-07-04
incorrect (discrete) signal
721-07-05
degree of individual distortion (of a particular significant instant)
721-07-06
degree of isochronous distortion
721-07-07
degree of start-stop distortion
721-07-08
degree of gross start-stop distortion
721-07-09
degree of synchronous start-stop distortion
721-07-10
degree of standardized test distortion
721-07-11
inherent distortion (of a transmission channel)
721-07-12
bias distortion
721-07-13
degree of bias distortion
721-07-14
characteristic distortion
721-07-15
fortuitous distortion
721-07-16
cyclic distortion
721-07-17
conventional degree of distortion
721-07-18
teledistortion
721-07-19
transmitter distortion
721-07-20
degree of early anisochronous parallel distortion
721-07-21
degree of late anisochronous parallel distortion
721-07-22
margin (of a receiver or other terminal)
721-07-23
net margin
721-07-24
effective margin (of a given apparatus)
721-07-25
nominal margin (of a type of apparatus)
721-07-26
theoretical margin
721-07-27
margin (of a start-stop apparatus)
721-07-28
synchronous (start-stop) margin
721-07-29
margin of a synchronous receiver
Hide details for [<u>Section 721-08: Errors and error control</u>]Section 721-08: Errors and error control
721-08-01
mutilation
721-08-02
erroneous digit
721-08-03
erroneous binary digit
721-08-04
erroneous character
721-08-05
erroneous block
721-08-06
single error
721-08-07
double error
721-08-08
triple error
721-08-09
error burst
721-08-10
error burst length
721-08-11
digit error ratio
721-08-12
character error ratio
721-08-13
block error ratio
721-08-14
error control
721-08-15
block check
721-08-16
error detection
721-08-17
error detection without repetition
721-08-18
loop checking
721-08-19
echoplex
721-08-20
error correction
721-08-21
error detecting and feedback system
721-08-22
error correction by information feedback and repetition
721-08-23
redundant code
721-08-24
code word
721-08-25
Hamming distance
721-08-26
error protection code
721-08-27
error detecting code
721-08-28
error correcting code
721-08-29
constant ratio code
721-08-30
Van Duuren code
721-08-31
cyclic code
721-08-32
contention
721-08-33
recovery procedure
721-08-34
efficiency factor in time (of a transmission with automatic repetition for the correction of errors)
721-08-35
signal repetition
721-08-36
repetition cycle
721-08-37
RQ cycle
721-08-38
BQ cycle
721-08-39
non-print cycle
721-08-40
gated RQ
721-08-41
tested RQ
721-08-42
testing repetition cycle
721-08-43
pre-correction
721-08-44
information bit
721-08-45
service digit
721-08-46
check bit
721-08-47
character check
721-08-48
block check
721-08-49
check digit
721-08-50
event parity check
721-08-51
odd parity check
721-08-52
parity code
721-08-53
parity digit
721-08-54
automatic repetition Verdan system
721-08-55
(signal) quality detection
721-08-56
residual error-rate
721-08-57
information security
Hide details for [<u>Section 721-09: Codes and alphabets</u>]Section 721-09: Codes and alphabets
721-09-01
message (in telegraphy and data communication)
721-09-02
packet
721-09-03
telegraph signal
721-09-04
data signal
721-09-05
telegraph code
721-09-06
data code
721-09-07
(telegraph) alphabet
721-09-08
n-unit code alphabet
721-09-09
International Telegraph Alphabet No. 1
721-09-10
International Telegraph Alphabet No. 2
721-09-11
International Telegraph Alphabet No. 3
721-09-12
International Telegraph Alphabet No. 4
721-09-13
International Alphabet No. 5
721-09-14
telegraph modulation
721-09-15
restitution
721-09-16
isochronous modulation
721-09-17
synchronous telegraphy
721-09-18
synchronous data transmission
721-09-19
start-stop system of telegraphy
721-09-20
start-stop system of data transmission
721-09-21
stepped start-stop system of telegraphy
721-09-22
stepped start-stop system of data transmission
721-09-23
Morse telegraphy
721-09-24
Wheatstone automatic system
721-09-25
Morse code
721-09-26
mark condition (in Morse code)
721-09-27
space condition (in Morse code)
721-09-28
dot (in Morse code)
721-09-29
dash (in Morse code)
721-09-30
space (between characters and words in Morse code)
Hide details for [<u>Section 721-10: Function controls and function signals</u>]Section 721-10: Function controls and function signals
721-10-01
function control
721-10-02
function signal
721-10-03
control character
721-10-04
translation (in telegraphy and data transmission)
721-10-05
selection (in a telegraph receiver)
721-10-06
local record
721-10-07
format effector
721-10-08
line feed
721-10-09
carriage return
721-10-10
case shift
721-10-11
letters case
721-10-12
letters shift
721-10-13
letter-shift signal
721-10-14
figures case
721-10-15
figures shift
721-10-16
figure-shift signal
721-10-17
space signal
721-10-18
letters shift-on space
721-10-19
erasure signal
721-10-20
"Who are you" signal (function)
721-10-21
answer-back code
721-10-22
synchronisation control
721-10-23
start-of-heading signal
721-10-24
start-of-text signal
721-10-25
end-of-text signal
721-10-26
end-of-transmission signal
721-10-27
transmission control (function)
721-10-28
identification request
721-10-29
acknowledge
721-10-30
negative acknowledge
721-10-31
form feed
721-10-32
horizontal tabulation
721-10-33
vertical tabulation
721-10-34
backspace
721-10-35
device control
721-10-36
cancellation control
721-10-37
substitute character
721-10-38
null character
721-10-39
stuffing character
721-10-40
warning signal
721-10-41
end-of-medium signal
721-10-42
escape
721-10-43
code shift
721-10-44
code reversion
721-10-45
information separator
721-10-46
reversals
721-10-47
switching signal telex-data
721-10-48
call control character
721-10-49
facility request signal
721-10-50
request data transfer
Hide details for [<u>Section 721-11: Transmission channels and processes</u>]Section 721-11: Transmission channels and processes
721-11-01
telegraph channel
721-11-02
data channel
721-11-03
complete telegraph channel
721-11-04
telegraph circuit
721-11-05
data circuit
721-11-06
forward channel
721-11-07
backward channel
721-11-08
status channel
721-11-09
transmit channel
721-11-10
receive channel
721-11-11
telegraph repeater
721-11-12
telegraph regenerative repeater
721-11-13
modulation converter
721-11-14
hypothetical reference connection (in telegraphy)
721-11-15
nominated reserved circuit
721-11-16
serial transmission
721-11-17
parallel transmission
721-11-18
coherent significant instants
721-11-19
character-serial transmission
721-11-20
byte-serial transmission
721-11-21
multi-channel
721-11-22
voice-frequency multiplex telegraphy
721-11-23
set of voice-frequency multiplex (telegraph) circuits
721-11-24
burst isochronous
721-11-25
quadruplex system
721-11-26
telegraph multiplex
721-11-27
character interleaved telegraphy
721-11-28
bit-interleaved telegraphy
721-11-29
Baudot telegraphy
721-11-30
Van Duuren radiotelegraph system
721-11-31
frequency shift telegraphy
721-11-32
four-frequency duplex telegraphy
721-11-33
signal recording telegraphy
721-11-34
in-local
721-11-35
automatic retransmission
721-11-36
printing telegraphy
721-11-37
mosaic telegraphy
721-11-38
Hell system
721-11-39
aggregate (isochronous) signal
721-11-40
balanced aggregate signal
721-11-41
multiplex aggregate bit rate
721-11-42
character cycle
721-11-43
element synchronism
721-11-44
element synchronization
721-11-45
synchronization bit
721-11-46
synchronous correction
721-11-47
correction signal
721-11-48
correction from signals
721-11-49
phase relationship
721-11-50
character in phase
721-11-51
sub-channel
721-11-52
sub-channel phase transmission
721-11-53
orientation
721-11-54
orientation range
721-11-55
sector
721-11-56
idle circuit condition
721-11-57
inter-character rest condition
Hide details for [<u>Section 721-12: Telegraph and data transmission equipments</u>]Section 721-12: Telegraph and data transmission equipments
721-12-01
subscriber's installation
721-12-02
(telegraph) terminal
721-12-03
data terminal equipment
721-12-04
packet mode terminal
721-12-05
data circuit terminating equipment
721-12-06
network termination unit
721-12-07
data station
721-12-08
data source
721-12-09
data sink
721-12-10
modem
721-12-11
interface
721-12-12
interface (specification)
721-12-13
telewriter (1)
721-12-14
start-stop apparatus
721-12-15
teleprinter
721-12-16
page teleprinter
721-12-17
tape teleprinter
721-12-18
alphanumeric keyboard
721-12-19
motorized keyboard
721-12-20
saw-tooth keyboard
721-12-21
storage keyboard
721-12-22
tape-reading head
721-12-23
(teleprinter) control unit
721-12-24
direct printer
721-12-25
(tape) perforator
721-12-26
keyboard perforator
721-12-27
printing perforator
721-12-28
reperforator
721-12-29
printing reperforator
721-12-30
centre holes
721-12-31
chadless perforation
721-12-32
track
721-12-33
telegraph transmitter
721-12-34
keyboard transmitter
721-12-35
automatic transmitter
721-12-36
automatic numbering transmitter
721-12-37
automatic retransmitter
721-12-38
perforated-tape retransmitter
721-12-39
coupled reperforator and tape reader
721-12-40
automatic transmitter with controlled tape-feed mechanism
721-12-41
answer-back unit
721-12-42
answer-back unit simulator
721-12-43
tape printer
721-12-44
Morse key
721-12-45
sounder
721-12-46
Morse undulator
721-12-47
siphon recorder
721-12-48
duplex apparatus
721-12-49
half-duplex apparatus
721-12-50
telegraph relay
721-12-51
vibrating relay (telegraph)
721-12-52
code converter
721-12-53
telegraph modulator
721-12-54
telegraph demodulator
721-12-55
telegraph discriminator
721-12-56
radiotelegraph converter
721-12-57
shift register
721-12-58
acoustic coupling (to a telephone line)
721-12-59
acoustic coupler (for data transmission)
Hide details for [<u>Section 721-13: Facsimile equipments and services</u>]Section 721-13: Facsimile equipments and services
721-13-01
document facsimile equipment, Group 1
721-13-02
document facsimile equipment, Group 2
721-13-03
document facsimile equipment, Group 3
721-13-04
drum facsimile transmitter
721-13-05
flat bed facsimile transmitter
721-13-06
drum facsimile receiver
721-13-07
continuous facsimile receiver
721-13-08
telewriter (2)
721-13-09
telefax
721-13-10
datafax
721-13-11
bureaufax
Hide details for [<u>Section 721-14: Facsimile operational characteristics</u>]Section 721-14: Facsimile operational characteristics
721-14-01
scanning (in facsimile transmitter)
721-14-02
scanning (in facsimile receiver)
721-14-03
scanning spot (at transmission)
721-14-04
scanning spot (at reception)
721-14-05
scanning field
721-14-06
scanning line
721-14-07
scanning line period
721-14-08
scanning line frequency
721-14-09
aspect ratio
721-14-10
picture element
721-14-11
longitudinal resolution (of a facsimile transmitter)
721-14-12
transverse resolution (of a facsimile transmitter)
721-14-13
longitudinal resolution (of a facsimile receiver)
721-14-14
transverse resolution (of a facsimile receiver)
721-14-15
dot frequency
721-14-16
phasing (in facsimile)
721-14-17
phasing signal
721-14-18
phasing on white
721-14-19
phasing on black
721-14-20
synchronization (in facsimile)
721-14-21
aperture (of a facsimile transmitter)
721-14-22
aperture (of a facsimile receiver)
721-14-23
dead sector
721-14-24
lost time
721-14-25
writing helix
721-14-26
writing bar
721-14-27
drum factor
721-14-28
scanning pitch
721-14-29
scanning density
721-14-30
scanning speed
721-14-31
usable scanning line length
721-14-32
total scanning line length
721-14-33
factor of cooperation
721-14-34
index of cooperation
721-14-35
limited scanning
721-14-36
reproduction ratio
721-14-37
positive scanning shift
721-14-38
negative scanning shift
721-14-39
maximum contrast
721-14-40
compression of the luminance range
721-14-41
expansion of the luminance range
721-14-42
luminance compensation
721-14-43
nominal black
721-14-44
nominal white
721-14-45
accentuated contrast
721-14-46
picture black
721-14-47
picture white
721-14-48
tone control aperture
721-14-49
half tone picture
721-14-50
tone wedge
Hide details for [<u>Section 721-15: Defects and distortion in facsimile reproduction</u>]Section 721-15: Defects and distortion in facsimile reproduction
721-15-01
aperture distortion
721-15-02
tailing
721-15-03
echo effect
721-15-04
interference pattern (in facsimile)
721-15-05
longitudinal judder
721-15-06
transverse judder
721-15-07
noisy blacks
721-15-08
overlap (in facsimile)
721-15-09
underlap
721-15-10
skew
721-15-11
partial tone reversal
Hide details for [<u>Section 721-16: Telegraph and data networks</u>]Section 721-16: Telegraph and data networks
721-16-01
public telegram network
721-16-02
gentex network
721-16-03
subscriber's line
721-16-04
local line
721-16-05
dedicated circuit (in telegraphy and data transmission)
721-16-06
international circuit
721-16-07
intercontinental circuit
721-16-08
set of circuits
721-16-09
private network (in telegraphy and data transmission)
721-16-10
overflow position
721-16-11
closed private network
721-16-12
interworking between networks
721-16-13
data network
721-16-14
synchronous data network
721-16-15
time base
721-16-16
time scale
721-16-17
cyclic timescale
721-16-18
public data network
721-16-19
node (of a data network)
721-16-20
branch (of a data network)
721-16-21
path (of a data network)
721-16-22
(terminal) port (of a network)
721-16-23
data link
721-16-24
circuit switched connection
721-16-25
multipoint connection
721-16-26
point-to-point connection
721-16-27
virtual circuit
721-16-28
permanent virtual circuit
721-16-29
virtual call
721-16-30
transparency (in telegraphy and data transmission)
721-16-31
code independent
Hide details for [<u>Section 721-17: Telegraph and data switching, signalling</u>]Section 721-17: Telegraph and data switching, signalling
721-17-01
connection
721-17-02
(complete) connection
721-17-03
(telex) call
721-17-04
subscriber serving exchange
721-17-05
telegraph transit exchange
721-17-06
telegraph switching exchange
721-17-07
data switching exchange
721-17-08
sub-centre
721-17-09
line concentrator
721-17-10
telegraph trunk circuit
721-17-11
telegraph junction circuit
721-17-12
overline service
721-17-13
overflow (in telegraphy)
721-17-14
circuit switching
721-17-15
message switching
721-17-16
packet switching
721-17-17
reperforator switching
721-17-18
character switching
721-17-19
circuit switching exchange
721-17-20
message switching exchange
721-17-21
national subscriber's telex number
721-17-22
local telex number
721-17-23
short code selection
721-17-24
short address
721-17-25
call without selection signals
721-17-26
follow-on-call
721-17-27
selection error correction
721-17-28
alternative selection signals
721-17-29
prefix giving access to the long-distance telex network
721-17-30
prefix giving access to the international telex network
721-17-31
prefix giving access to the intercontinental telex network
721-17-32
destination code
721-17-33
international selection sequence
721-17-34
international two-stage selection
721-17-35
label (in signalling)
721-17-36
traffic routing (in circuit switching)
721-17-37
normal (traffic) routing
721-17-38
alternative traffic routing
721-17-39
first choice set of circuits
721-17-40
emergency routing
721-17-41
re-routing
721-17-42
switching signal
721-17-43
forward switching signal
721-17-44
return switching signal
721-17-45
free circuit condition
721-17-46
ready
721-17-47
not ready
721-17-48
ready for data signal
721-17-49
data channel signalling conditions
721-17-50
calling signal
721-17-51
call control procedure
721-17-52
call-confirmation (signal)
721-17-53
call accepted (signal)
721-17-54
selection signals
721-17-55
address (in circuit switching)
721-17-56
address (in information processing)
721-17-57
proceed-to-select signal
721-17-58
(user) class of service signal
721-17-59
pre-signal
721-17-60
post-signal
721-17-61
end-of-selection signal
721-17-62
keyboard selection
721-17-63
dial selection (in telegraphy switching)
721-17-64
call-connected signal
721-17-65
clearing signal
721-17-66
confirmation of clearing signal
721-17-67
service signal
721-17-68
engaged signal
721-17-69
barred signal
721-17-70
call set-up time
721-17-71
preselection delay
721-17-72
selection time
721-17-73
post-selection time
721-17-74
effective duration of a call
721-17-75
stored program control
721-17-76
common channel signalling
721-17-77
channel associated signalling
721-17-78
call clearing delay
721-17-79
unsuccessful call
721-17-80
call not accepted signal
721-17-81
lost call
721-17-82
head on collision
721-17-83
terminal connection method (in telex)
721-17-84
speed converter concentrator
721-17-85
data concentrator
721-17-86
system control station
Hide details for [<u>Section 721-18: Telegraph operation and services</u>]Section 721-18: Telegraph operation and services
721-18-01
telegram
721-18-02
document facsimile telegram
721-18-03
photograph facsimile telegram
721-18-04
radiotelegram
721-18-05
telex conversation mode
721-18-06
radiotelex call
721-18-07
access to the public telegram network
721-18-08
user class of service
721-18-09
public telex booth
721-18-10
outgoing only terminal
721-18-11
incoming only terminal
721-18-12
access barred
721-18-13
restricted service
721-18-14
priority
721-18-15
absolute priority
721-18-16
priority for called subscriber
721-18-17
in local override
721-18-18
direct outgoing selection
721-18-19
direct incoming selection
721-18-20
direct incoming selection with integrated numbering
721-18-21
direct incoming selection with two-stage selection
721-18-22
closed user group
721-18-23
partially closed user group
721-18-24
interlock code
721-18-25
user facility
721-18-26
automatic calling
721-18-27
automatic answering
721-18-28
manual answering
721-18-29
automatic identification
721-18-30
line identification by the network
721-18-31
automatic date and time indication
721-18-32
indication of duration
721-18-33
indication of charge
721-18-34
statement of call account
721-18-35
shared terminal
721-18-36
accounts for shared terminal
721-18-37
storage of call content
721-18-38
retrieval of stored call content
721-18-39
statistics on request
721-18-40
recorded message
721-18-41
camp-on
721-18-42
camp-on with recall
721-18-43
absent subscriber service (in telegraphy and data communication)
721-18-44
call redirection
721-18-45
changed address interception
721-18-46
store-and-forward
721-18-47
storage installation
721-18-48
redirection address
721-18-49
delayed delivery
721-18-50
message priority
721-18-51
message spacing
721-18-52
header
721-18-53
booked call
721-18-54
network recall
721-18-55
multi-address call
721-18-56
conference call
721-18-57
broadcast call
721-18-58
restricted conference call
721-18-59
broadcast conference call
721-18-60
group call (in a maritime mobile service)
721-18-61
automatic sequential connection
721-18-62
delivery confirmation
721-18-63
telecommunication security
721-18-64
data collection
Hide details for [<u>Section 721-19: Data transmission operation and services</u>]Section 721-19: Data transmission operation and services
721-19-01
link protocol
721-19-02
burst transmission
721-19-03
calling (in data communication)
721-19-04
manual calling (in data communication)
721-19-05
answering (in data communication)
721-19-06
interrogation
721-19-07
polling
721-19-08
selecting
721-19-09
packet sequencing
721-19-10
control station
721-19-11
tributary station
721-19-12
master station
721-19-13
slave station
721-19-14
passive station
721-19-15
primary station
721-19-16
secondary station
721-19-17
combined station
721-19-18
routing (in packet switched data communication)
721-19-19
adaptative routing
721-19-20
packet assembly
721-19-21
packet disassembly
721-19-22
packet format
721-19-23
datagram service
721-19-24
aligner
721-19-25
envelope
721-19-26
permanently locked envelopes
721-19-27
data transfer phase
721-19-28
network control phase
721-19-29
transfer time
721-19-30
flow control
721-19-31
transmit flow control
721-19-32
adaptative channel allocation


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