Q: Which are the two concepts of PLC data transmission?

A: Chimney, Spread Spectrum

Q: Which layers in the OSI model are covered by PLX?

A: Data Link (2), Network (3), Transport (4)

Q: What is the last mile in the PLC?

A: The way from an outdoor master to the end user

Q: What is DSMA and how does it work?

A: a) Datagram Sensing Multiple Access (adapted from CSMA)

A: b) First listen then send

Q: What are the basic problems concerning powerline data transfer?

A: Big noise, high absorption, very high distortion

	Powerline_Presentation.pps	139 K
	Powerline_Handout.doc	74 K