The industry-standard Cisco Small Form-Factor Pluggable (SFP) Gigabit Interface Converter is a hot-swappable input/output device that plugs into a Gigabit Ethernet port or slot, linking the port with the network (Figures 1, 2 and 3). SFPs can be used and interchanged on a wide variety of Cisco products and can be intermixed in combinations of 1000BASE-T, 1000BASE-SX, 1000BASE-LX/LH, 1000BASE-EX, 1000BASE-ZX, or 1000BASE-BX10-D/U on a port-by-port basis.
SFP Port Cabling Specifications
| Product | Wavelength (nm) | Fiber Type | Core Size (μm) | Modal Bandwidth (MHz* Km)*** | Operating Distance (m) |
| 1000BASE-SX | 850 | MMF | 62.5 | 160 (FDDI-grade) | 220 (722 ft) |
| | | | 62.5 | 200 (OM1) | 275 (902 ft) |
| | | | 50 | 400 (400/400) | 500 (1,640 ft) |
| | | | 50 | 500 (OM2) | 550 (1,804 ft) |
| | | | 50 | 2000 (OM3) | 1000 (3281 ft) |
