mpensation 415-419 DTE. See Data Terminal (EDC), 187-189 service framework, 405-407 Equipment Electronic nonlinearities, 196 synchronous, 419 Dual-drive Mach-Zehnder Electrostatic fields, 227 10G, 52 modulators, 187, 203 Elliptical polarization, 234-235 Ethernet Private LAN (EPLAN), Dual symmetric reflector Ellipticity angle, 235 antennas, 294-295 EMP. See Electromagnetic Pulse Ethernet Private Lines (EPLs), Ducting, 273-274 EMRP. See Effective Monopole 406, 414 Duo-binary signaling, 146 Radiated Power Ethernet Switched Paths (ESPs), Duplex, 30 Encoding 413-415 DVB-ASI. See Digital Video hierarchical, 61 Ethernet Virtual Connections Broadcast-Asynchronous PCM, 18-20 (EVCs), 403-405 Serial Interface Encryption, 102-103 Ethernet Virtual Private LAN DWDM systems. See Dense cryptosystems, 104 (EVPLAN), 406-407 Wavelength Division principles, 103-104 Ethernet Virtual Private Line, Multiplexing End-fire arrays, 285 Dynamic GEFs, 158 End-to-end delay requirement, Even parity, 88 Excess Information Rate (EIR), Enterprise System Connection E1 connections, 23 (ESCON), 359 Exchanges Earth radius factor, 271-273 EPLAN. See Ethernet Private ATM, 371 Earth station antennas, 299-302 overlay concepts, 364-368 EBGP. See External BGP interface E-plane cut, 279 telephone, 42 ECC. See Error Control Coding EPLs. See Ethernet Private Lines Expedited forwarding, 392 EDC. See Electronic (Chromatic) Erbium-Doped Fiber Amplifiers Experimental (Exp) field, 382 Dispersion Compensation (EDFAs), 152-163, 176 Explicit Route Objects (EROs), EDFAs. See Erbium-Doped Fiber Erbium-doped silica fibers, 133 Amplifiers Erbium-Doped Waveguide Extended codes, 92 Edge diffraction, 238-240, 242 Amplifier (EDWA), 155-156 Extension Header Identifier (EXI) EDWA. See Erbium-Doped Erfc function in BER, 171-172 field, 357 Waveguide Amplifier ERP. See Effective Radiated External BGP (EBGP) interface, Effective area of electric field Power radiation, 134-135 Error Control Coding (ECC), External noise, 262 Effective capture area, 236 85-88 Extinction ratio, 148 Ef