CISCO GLC-SX-MM -RGD,1000BASE-SX SFP MMF, 850-nm, 500m (BRAND NEW SEALED)
CISCO GLC-SX-MM -RGD,1000BASE-SX SFP MMF, 850-nm, 500m. Module Type: MMF, 850-nm wavelength, 550m. Use only the SFP modules with your Modular Fast Ethernet line card. Fiber Type: MMF. Form Factor: SFP.