Table 7-1 summarizes the differences between Ethernet and IEEE 802.3, as well as the differences between the various IEEE 802.3 physical-layer specifications.
 
 

Table 7-1: Comparison of Various IEEE 802.3 Physical-Layer Specifications

Characteristic	Ethernet Value	IEEE 802.3 Values
		10Base5	10Base2	10BaseT	10BaseFL	100BaseT
Data rate (Mbps)	10	10	10	10	10	100
Signaling method	Baseband	Baseband	Baseband	Baseband	Baseband	Baseband
Maximum segment length (m)	500	500	185	100	2,000	100
Media	50-ohm coax (thick)	50-ohm coax (thick)	50-ohm coax (thin)	Unshielded twisted-pair cable	Fiber-optic	Unshielded twisted-pair cable
Topology	Bus	Bus	Bus	Star	Point-to-point	Bus