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Essential Guide to Home Networking Technologies, The by GERARD O'DRISCOLL

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POWERLINE MODEM TECHNOLOGY

Communicating data over the powerline, just like in any other analog medium, requires some type of modulation device, or modem, that can transmit and receive data signals. In order to turn a powerline electric network into a data communications network, a transceiver must be used to transmit the data from the device across the powerline medium. Thus the transceiver sends and receives digital data in analog form using the electrical outlets that it is connected to.

Figure 6.1. In-home powerline network

Similar to other home network technologies, such as phone line and wireless, these transceiver nodes will take the form ...

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