Standard

Standard
First
Released

Data
Rate

Top-
ology

Medium

Maximum Cable Segment
Length in Meters

Half-Duplex

Full-Duplex

10Base5

DIX-1980,
802.3-1983

10Mb/s

Bus

single 50-ohm coaxial cable (thick Ethernet) (10mm thick)

500

n/a

10Base2

802.3a-1985

10Mb/s

Bus

single 50-ohm RG 58 coaxial cable (thin Ethernet) (5mm thick)

185

n/a

10Broad36

802.3b-1985

10Mb/s

Bus

single 75-ohm CATV broadband cable

1800

n/a

FOIRL

802.3d-1987

10Mb/s

Star

two optical fibers

1000

>1000

1Base5

802.3e-1987

1Mb/s

Star

two pairs of twisted telephone cable

250

n/a

10Base-T

802.3i-1990

10Mb/s

Star

two pairs of 100-ohm Category 3 or better UTP cable

100

100

10Base-FL

802.3j-1993

10Mb/s

Star

two optical fibers

2000

>2000

10Base-FB

802.3j-1993

10Mb/s

Star

two optical fibers

2000

n/a

10Base-FP

802.3j-1993

10Mb/s

Star

two optical fibers

1000

n/a

100Base-TX

802.3u-1995

100Mb/s

Star

two pairs of 100-ohm Category 5 UTP cable

100

100

100Base-FX

802.3u-1995

100Mb/s

Star

two optical fibers

412

2000

100Base-T4

802.3u-1995

100Mb/s

Star

four pairs of 100-ohm Category 3 or better UTP cable

100

n/a

100Base-T2

802.3y-1997

100Mb/s

Star

two pairs of 100-ohm Category 3 or better UTP cable

100

100

1000Base-LX

802.3z-1998

1Gb/s

Star

long wavelength laser (1300nm) over:
- 62.5um multi-mode fiber
- 50um multi-mode fiber
- 10um single mode fiber


316
316
316


550
550
5000

1000Base-SX

802.3z-1998

1Gb/s

Star

short wavelength laser (850nm) over:
- 62.5um multi-mode fiber
- 50um multi-mode fiber


275
316


275
550

1000Base-CX

802.3z-1998

1Gb/s

Star

specialty shielded balanced copper jumper cable assemblies ("twinax" or "short haul copper")

25

25

1000Base-T

802.3ab-1999

1Gb/s

Star

four pairs of 100-ohm Category 5 or better cable

100

100