... -LX-401-port 100BaseLX SFP module, single-mode,40km, 1310nmFSFP-ZX-801-port 100BaseLX SFP module, single-mode,80km, 1550nmGSFP-SX1 ... -port 1000BaseLX SFP module, single-mode, 40 km, 1310 nmGSFP-ZX-801-port 1000BaseLX SFP module, single-mode, 80 km, 1550 ...