Switch Cisco MGBSX1 Gigabit Ethernet SX Mini-GBIC SFP
Cisco Module multimode fiber, 1000 Mbps, 300m
Gigabit Ethernet SX mini-GBIC SFP Transceiver 62.5/125um MMF @ 160 MHz/km, up to 220m 62.5/125um MMF @ 200 MHz/km, up to 275m 50/125um MMF @ 400 MHz/km, up to 500m 50/125um MMF @ 500 MHz/km, up to 550m