- 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 - 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 50/125m laser-optimized OM4 multimode fiber cables - Drives Gigabit Ethernet up to 550 m distances with 50/125m laser-optimized OM3 multimode fiber cables - Drives Gigabit Ethernet up to 275 m distances with 62.5/125m OM1 multimode fiber cables