 371 radio propagation in, 462-464 negative-impedance repeater, 104 mobile platform, space diversity on, 467 negative justification, 125, 126 mobile satellite communications, 484-485 network access techniques, 468-476 mobile switching center (MSC), 457 network applications, in troubleshooting, 543 mobile telephone switching office (MTSO), 457, network capacity, 541 459, 460, 461, 462 network congestion control, 334-336 modal dispersion, 233 network element function (NEF) block, 565-566 modems, 265, 267-268 network hardware, in troubleshooting, 543 selection of, 272-275 network layer, OSI model, 283 modification of final judgment (MFJ), 16 network management, 539-573. See also network modified long route design (MLRD), 101 resource management (NRM); Modify command, 400 telecommunication management network modular hubs, 311 (TMN) modulating function, 29 ATM, 568-571 modulation, 19, 28-29, 29 in enterprise networks, 553-564 modulation-demodulation schemes, 267-268 for multimedia communications, 539-540 modulation implementation loss, 208 network survivability and, 541 modulation plan, 81-82 principles of, 185 modulation rate, bandwidth and, 273 provisioning aids for, 544-547 modulo-2 adders, 256-257 PSTN perspective on, 548-553 Molina formula, 62-63 purposes of, 539 monochrome TV, 403, 404 system depth and, 544-548 monomode fiber, 234 tasks involved with, 540-541 Morse, Samuel F. B., 19, 20 Network Management System (NMS), 554 Morse code, 22 network management systems "mother" exchange, 74 communication channels for, 547-548 motion compensation coding, 419-420 in enterprise networks, 553-564 motion vectors, 425 network-node interface (NNI), 516, 517f, 523 INDEX Network Operation Center (NOC), 554 subscriber call progress tones and push-button network overload, 550 codes in, 158 network protocol software, in troubleshooting, 543 North American higher-level multiplex, 123-124 network-PSTN compatibility, 541 North American loop design rules, 101-102 network resource management (NRM), 532 North American network networks