CISCO SFP GLC-SX-MMD (1000BASE-SX SFP for Multimode Fiber Only)

1000BASE-SX SFP for Multimode Fiber Only. The 1000BASE-SX SFP, compatible with the IEEE 802.3z 1000BASE-SX standard, operates on legacy 50 m multimode fiber links up to 550 m and on 62.5 m Fiber Distributed Data Interface (FDDI)-grade multimode fibers up to 220 m. It can support up to 1km over laser-optimized 50 m multimode fiber cable. Features and Benefits Hot swappable to maximize uptime and simplify serviceability Flexibility of media and interface choice on a port-by-port basis, so you can pay as you populate Robust design for enhanced reliability Supports digital optical monitoring (DOM) capability