Comparison of Gigabit Ethernet Technologies

TABLE 1 3 . 2
Comparison of Gigabit Ethernet Technologies
Technology Wiring Category Cable Distance
1000BaseCX Copper-shielded twisted-pair 25 meters
1000BaseT Copper Category 5, four-pair wiring, UTP 100 meters
1000BaseSX MMF using 62.5 and 50-micron core, uses a
780-nanometer laser
260 meters
1000BaseLX Single-mode fiber that uses a 9-micron
core, 1300-nanometer laser
From 3 kilometers up to
10 kilometers
1000BaseZX 9-micron single-mode fiber or dispositionshifted
fiber