- SFP Transceiver 1000BASE-SX- Gigabit Ethernet �short-reach� fiber connectivity- LC duplex connector- Fits into SFP interfaces of all Fully Managed Switches Smart Switches and model JGS524F- Drives Gigabit Ethernet up to 1 000 m distances with 50/125�m laser-optimized OM4 multimode fiber cables- Drives Gigabit Ethernet up to 550 m distances with 50/125�m laser-optimized OM3 multimode fiber cables- Drives Gigabit Ethernet up to 275 m distances with 62.5/125�m OM1 multimode fiber cables