HOME NETWORKING PRIMER WD005-1-2
12/22/2003
6325 Digital Way Indianapolis, IN 46278 317.616.6789 phone 317.616.6790 fax www.escient.com
Powerline Networking
Powerline networking has existed in a few forms in the past, the latest specification is called
HomePlug and runs at 14Mbps. HomePlug uses your existing home electrical wiring to transfer
data.
HomePlug does not interfere with your existing electrical equipment or home automation
devices like X-10, CEBus, and LONworks. HomePlug also encrypts all data with 56bit DES
encryption to ensure that your neighbors can not eavesdrop on your network traffic. Note:
encryption is usually not enabled by default and must be 'turned on' using software provided by
the devices manufacturer.
The HomePlug specification incorporates a technology called PowerPacket. This new
technology is what makes HomePlug different from the old Powerline networks. PowerPacket
eliminates noise from electrical appliances like hair driers and televisions plus it offers
security.
Powerline network adapters come in PCI and USB versions but are fairly expensive right now -
about $50 to $100 per computer. There are also Powerline to Ethernet bridges and Powerline
broadband routers with ethernet bridges built-in, in the same price range.
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