Hummingbird Networks Brand Compatible for Cisco GLC-SX-MM 1000BASE-SX SFP Transceiver [CIS-GLC-SX-MM-HN] Features Supports 1000BASE Ethernet Transmission distance up to 550m with 50/125 um MMF 300 meters on 62.5/125 um MMF Hot-Swappable if your device supports Lifetime Warranty Plugs into SFP port Industry-standard LC duplex connector Compliant to SFP Electrical & Mechanical MSA 0°C to +70°C case operating temperature range Laser Class 1 IEC / CDRH compliant RoHS 6/6 compliant Compliant with product safety standards Product Overview The Hummingbird Networks 100% Cisco Compatible GLC-SX-MMoptical transceiver module is for transmission at 850nm over multimode fiber. It supports Ethernet standards which make it ideally suited for 1000BASE-SX data communications. It offers customers a wide variety of Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications.