Security and the Small Office/Home Office network- Physical layer

Physical Layer - Examples

Clip art licensed from the Clip Art Gallery on DiscoverySchool.com	USB and FireWire
	RS232
	Optical Fiber
	Free Space Optical
	Radio
		Point to Point Microwave
		CDMA¹
		TDMA²
		UWB (Ultra Wide Band)

1Code Division Multiple Access,

2Time Division Multiple Access.