3CSFP91

1000BASE-SX SFP operates on ordinary multimode fiber optic link spans of up to 550 meters in length

3CSFP92

1000BASE-LX/LH SFP operates on ordinary single-mode fiber optic link spans of up to 10,000 meters in length

3CSFP97

1000BASE-ZX SFP operates on ordinary single-mode fiber optic link spans of up to 70 kilometers (km) in length

3CSFP93

1000BASE-T SFP operates on standard Category 5 wiring of up to 100m link length