Cisco SFP-1G-SX is a 1000BASE-SX optical SFP transceiver designed for 1Gbps Ethernet connectivity over multimode fiber. It operates in compatible 10G, 10/25G dual-rate, and 10/25/50G tri-rate Cisco switch and router ports, using 850nm optical transmission and duplex LC connectivity.

• 1Gbps multimode fiber uplinks on compatible Cisco switch ports
• Enterprise campus fiber aggregation and access-layer connectivity
• Data center short-reach Ethernet interconnects
• Server and network-device fiber connectivity
• Migration from higher-speed ports to 1Gbps optical links

• 1Gbps connectivity over standard multimode fiber
• 850nm optics support short-reach Ethernet links
• Duplex LC interface simplifies fiber patching
• Operates in supported multi-rate Cisco ports
• Interoperates with 1000BASE-SX optical modules
• Hot-swappable SFP form factor simplifies deployment

• 1000BASE-SX Ethernet optical interface
• 1Gbps data rate
• Multimode fiber (MMF) support
• 850nm optical wavelength
• Duplex LC fiber connector
• SFP optical transceiver form factor
• Supports compatible 10G-capable Cisco ports
• Interoperates with 1000BASE-SX modules

• Product Type: 1000BASE-SX SFP optical transceiver
• Data Rate: 1Gbps
• Ethernet Standard: 1000BASE-SX
• Fiber Type: Multimode Fiber (MMF)
• Wavelength: 850nm
• Connector: Duplex LC
• Port Compatibility: Compatible 10G-capable Cisco ports
• Multi-Rate Support: 10G, 10/25G dual-rate, 10/25/50G tri-rate ports
• 1G-Only Ports: Not supported
• Interoperability: 1000BASE-SX modules
• Optical Media: Multimode fiber cabling
• Standards: IEEE 802.3z, IEEE 802.3ah
• Monitoring: Digital Optical Monitoring (DOM)