INDEX
653
code division multiple access (CDMA), 458,
472476
codes, forward-acting error correction, 256
coding
digital television, 417418
in pulse code modulation, 113118
of written information, 252254
coding control video, 427
coexistence standard, 481482
collision detection, 343
colorimetry, 422
color subcarrier, 410
color television, 403
color transmission standards, 411413
combined station, HDLC, 284
combiners, 459
command/response (C/R) bit, 331, 332
common (hard-wired) control, 73
common logarithms, 593
Common Management Information Protocol
(CMIP), 554, 562564
communication, human voice, 9091. See also
communications
communication channels, 547548
communication links. See fiber-optic
communication links
communications. See also data communications
electricity concepts for, 2028
packet data, 318319
communications at a distance, 1
communication satellite transponder, 218f
community antenna television (CATV), 431456.
See also cable television (CATV)
digital signal transmission, 447448
DOCSIS 2.0 specification, 451454
early system layouts, 433434
evolution of, 432434
hybrid fiber-coax (HFC) systems, 441447
point-to-point transmission video, 413414
signal-to-noise ratio versus carrier-to-noise ratio
in, 436438
subsplit/extended subsplit frequency plan, 454
system impairments and performance measures,
434441
thermal noise in, 435436
two-way systems, 448451
community antenna television (CATV) system,
440f
companding curve, 114f
companding (compression and expansion)
technique, 113, 114
compelled signaling, 158160
competitive local exchange carrier (CLEC), 2
completed calls, 178
component digital coding method, 417418
composite digital coding method, 417, 418
composite signal, 407409
composite triple beat (CTB), 434, 438
compressed video, 448
compression, 113f
MPEG-2, 420423
video transmission, 418420
computer-based design techniques, 180
computer-based telephone switching, 67
concatenation, 493
of local exchanges, 68, 70, 71
concentration with range extension and gain
(CREG), 101
concentrators, 74, 75f
conditional equations, 607
conducted transmission, 19
conductor gauges, loop resistance for, 96
conductors, 3334, 575
resistance of, 579580
Conference European Post & Telegraph (CEPT),
15, 489. See also CEPT/CT1 standard
conference television, 403, 423427
configuration management, network, 540
congested node, action at, 336
congestion
network response to, 334335
user response to, 335
congestion control, 334336
ATM, 532533
congestion-indicating signals, 184
connection, 34
connection admission control (CAC), 532
connection control protocol function, 279, 284
connectionless control, SCCP, 380
connectionless network access protocol (CLNAP),
527528
connectionless (CL) services, 280, 316, 318
ATM, 526528
functional architecture of, 527528
SCCP, 378
connection management, 284
connection mode services, logical link control, 297
connection-oriented control, SCCP, 380
connection-oriented data connectivity, 316
connection-oriented data transfer, 324325
connection-oriented services, 318
ATM, 526528
SCCP, 378379
connection-oriented telecommunication system,
ATM as, 512513
connection release functions, SCCP, 380
connectivity, 35
computing device, 344
subscriber-to-subscriber, 7f
tandem and direct route, 7
telephone, 67
telephone numbers and, 67
connectors, optical fiber cable, 234236
consolidated link layer management (CLLM)
message, 335, 511
constant bit rate (CBR) service, 512
container (
C - n), 502, 504
containment, 562
containment tree, 563
context, 398, 399
continuity, of analog signals, 107
continuity pilot, 416
continuous ARQ, 257
continuous variable slope delta (CVSD)
modulation, 241
control (C) field, HDLC frame format, 286
control circuitry, telephone subset, 92f
controlled access, 299
controlled access mode, 518
control local switch function, 70
control memory time switch, 130
control plane (C-plane), 516
convergence sublayer (CS), 523