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774 INDEX<br />

Frame relay, 34, 289, 496–518, 53<br />

access, 499–500<br />

equipment, 502–503<br />

frame structure, 503–505<br />

IP-enabled, 517<br />

multilink (MFR), 499–500<br />

network, 500–502, 508f<br />

standards, 498–499<br />

Frame relay access device (FRAD), 497, 500f,<br />

501, 502–503, 508<br />

Frame relay assembler/disassembler, see Frame<br />

relay access device<br />

Frame Relay Forum (FRF), 498, 522, 760<br />

Frame relay network device (FRND), 500f, 501,<br />

503<br />

Frame user network interface (FUNI), 523, 537<br />

Framing, 311–313f, 343f–344, 345, 659–660f<br />

Framing bit, 25–26<br />

Free space optics (FSO), 75–77, 461<br />

FreeCall, 235<br />

Freedom of Mobile Multimedia Access (FOMA),<br />

584<br />

Freephone, 235<br />

Fresnel zone, 61, 62f<br />

Frequency, 13–14f, 39f–40f, 41, 485<br />

Frequency allocation, 553<br />

Frequency diversity, 64<br />

Frequency division duplex (FDD), 559, 560, 570,<br />

571, 572, 575, 576, 584<br />

Frequency division multiple access (FDMA), 74,<br />

448, 453, 558f–559, 570, 571, 575, 576<br />

Frequency modulation (FM), see Modulation<br />

Frequency reuse, 554–557<br />

Frequency shift keying (FSK), see Modulation<br />

Frequency spectrum, 41<br />

Front-end processor (FEP), 6f, 266, 298<br />

Full duplex (FDX), 3, 269–270f<br />

Full Service Access Network (FSAN), 463–464<br />

Future Public Land Mobile Telecommunications<br />

System (FPLMTS), 580<br />

G<br />

G.652, 466<br />

G.692, 485<br />

G.702, 319<br />

G.703, 317<br />

G.704, 317<br />

G.707, 474<br />

G.708, 474<br />

G.709, 474, 487–488<br />

G.711, 262, 307, 512, 613, 614, 615<br />

G.721, 512<br />

G.722, 310, 512, 613, 614, 615<br />

G.723, 241, 512, 613, 615, 623<br />

G.726, 310, 444, 512<br />

G.727, 512<br />

G.728, 512, 613, 614, 615<br />

G.729, 512, 613, 615<br />

G.959, 485<br />

G.983.1, 464, 466<br />

G.983.3, 466<br />

G.984, 466, 467<br />

G.991.2, 426<br />

G.992.1, 426, 432<br />

G.992.2, 426, 437<br />

G.992.3, 426, 435<br />

G.992.4, 435<br />

G.992.5, 426, 436<br />

G.993.1, 426, 440<br />

G.993.2, 426, 440<br />

G.994, 444<br />

G.dmt, see Digital subscriber line<br />

G.lite, see Digital subscriber line<br />

Gain, 261<br />

Gamma ray, 41<br />

Gatekeeper, 616–617<br />

Gateway, 164f, 180, 184, 241, 242f, 267, 616<br />

Gauge, 50–51, 58<br />

Gaussian frequency shift keying (GFSK), see<br />

Modulation<br />

Géant2, 672<br />

General format identifi er (GFI), 325<br />

General Packet Radio Service (GPRS), 582, 586<br />

Generic fl ow control (GFC), 526–527<br />

Ghosting, 61, 554<br />

Gigabit Ethernet (GbE, or GE), see Ethernet<br />

Gigabit Ethernet Passive Optical Network (GigE<br />

PON), see Passive Optical Network (PON)<br />

Gigabit Passive Optical Network (GPON), see<br />

Passive Optical Network (PON)<br />

GigaPOP, 672<br />

Glass optical fi ber (GOF), 82–89, 83f<br />

Global Information Infrastructure (GII), 699<br />

Global positioning system (GPS), 273, 590<br />

Global switched telephone network (GSTN), 203<br />

Global System for Mobile Communications<br />

(GSM), 195, 559, 575, 576, 577–578, 585, 586<br />

GOLAY, 565<br />

Goldenrod, 357<br />

Gopher, 678<br />

Government Open Systems Interconnection<br />

Profi le (GOSIP), 288<br />

Grade of service (GoS), 120–122, 412<br />

Graded-index fi ber, 85–86f<br />

Graham–Willis Act, 717<br />

Grand Alliance, 605<br />

Graphical user interface (GUI), 138, 147, 385,<br />

672<br />

Graphics Interchange Format (GIF), 183<br />

Green Number, 235<br />

Greenfi eld, 468<br />

Greenphone, 235<br />

Gross, Al, 565<br />

Guaranteed frame rate (GFR), 532, 535

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