ZyXEL Communications PLA-470 V2 - V3.0.5 Guía de instalación descargar pdf (Pagina 337)

EAP (extensible authentication protocol)

(continued)

EAP-MD5, 81

EAP-TLS, 81–82, 82

LEAP, 82

PEAP, 82

EAPoL (EAP over LAN), 82–83

EIFS (extended interface spacing), 41

Electrical networks

architecture, 15–24

attenuation on, 165–167

circuit breaker panel, 164–165

for communities, 273–277

distribution, simplified architecture, 17

electrical wiring, 17–22

interference effects, 169–171

issues in, 282–283

modeling, 22–24

MV (medium voltage), 151

operational responsibilities, 17

placing devices on, 220–223

single-phase wiring, 160, 161–163

three-phase wiring, 160, 163–164

topology, 160–168

voltage classification, 15, 16

wiring, 164

Electrical security, 217–219

Electrical wiring

attenuation, 20–21

capacitance, 18–19

characteristics, 17–24

coupling between phases, 21

electromagnetic noise, 19–20

frequency response, 21

impedance, 18, 19, 23

inductance, 18

interface sensitivity, 21–22

perturbations, 19–20

Electromagnetic compatibility, 157–160

Electromagnetic disturbances, 170

Electromagnetic noise, 19–20

Electromechanical meters, 145

Equipment, 125–150

business PLC placement, 255–256

capacitive coupling, 140

centralized mode, 129–130

community PLC, 283–284

cost, 148–150

direct tap coupling, 143

EMC requirements, 5

filters, 146–148

home PLC, 219–220

inductive coupling, 141

LV directives, 5

master-slave mode, 126–128

meters, 144–145

peer-to-peer mode, 128–129

PLC technologies, 125–130

repeaters, 145–146

signal injectors, 141–142

transformers, 143–144

transmission power, 158–160

Ethernet

device configuration, 183–187

modems, 133–134

PLC coexistence, 304

ETSI (European Telecommunications

Standards Institute), 3, 6, 15, 20

F

FAIFA, 200, 201

File sharing, 116–117

Filters, 146–148

antinoise, 147, 149

blocking, 147, 149

cost, 150

Firewalls

hardware, 232

home PLC, 231–232

use illustration, 234

Fragmentation reassembly, 56–57

Frame check sequence (FCS), 49, 50

Frame level functionalities, 54–57

fragmentation reassembly, 56–57

MAC encapsulation, 55–56

Frames, 87–104

802.11b, 95

beacon, 51

control and management, 103–104

HomePlug, 95

MAC layer, 100–104

OFDM interface, 91–100

physical, access to, 75

physical, PLC, 96–100

physical layer, 88–90

priorities, managing, 51–52

FreeBSD, PLC network configuration,

204–205

FreeSWAN, 260

Frequency bands, 27–29, 151–160

cable TV, 134

disturbances, 154

dynamic notching, 154

318 Index

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