ZyXEL Communications PLA-470 V2 - V3.0.5 Guía de instalación Pagina 175

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ham radio operators are not used. The total HomePlug 1.0 bands are therefore equal
to de 84 8 = 76.
Table 8.2 summarizes the high rate frequency bands which can be used accord-
ing to each type of PLC technology.
Since the 1- to 30-MHz frequency band is divided into sub-bands, each sub-
band conveys the OFDM modulation carriers at the transmission channel level.
Therefore, and unlike Wi-Fi, there are no channels, strictly speaking, which could be
configured to build the network architecture. In PLCs, the entire frequency band is
used as the transmission channel; all sub-bands are used for improved transmission
robustness.
156 Installation
Figure 8.4 Architecture for Pulsadis signal implementation over the EDF LV electrical network
Table 8.2 Frequency Bands of High Rate PLC Technologies
PLC
TECHNOLOGY
FREQUENCY
BAND
OFDM
CARRIER
NUMBER
HomePlug 1.0 4.49 to 20.7 MHz 76
HomePlug 1.1 Same Same
HomePlug AV 2-28 MHz 917
DS2
–45 Mbit/s
–200 Mbit/s
–1.6 to 30 MHz
–2.46 to 11.725 MHz +
13.8 to 22.8 MHz
–100
–1,280 + 1,280
Spidcom
–2 to 30 MHz
–30 to 60 MHz (external)
–900
–Same
Main.net 4.3 to 13 MHz NC
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