Cisco ME 3400 Series switches support 100 and 1000MB SFP. These include Cisco 100BASE-LX, 100BASE-FX, 100BASE-BX, 1000BASE-LX, 1000BASE-SX, 1000BASE-ZX and 1000BASE-T SFP, as well as Coarse Wavelength Division Multiplexing CWDM SFP.
Cisco ME 3400 Series switches support 100 and 1000MB SFP. These include Cisco 100BASE-LX, 100BASE-FX, 100BASE-BX, 1000BASE-LX, 1000BASE-SX, 1000BASE-ZX and 1000BASE-T SFP, as well as Coarse Wavelength Division Multiplexing CWDM SFP.