This Finisar 1000Base-SX SFP transceiver module is designed for data networking applications, supporting 1 x 1000Base-SX connectivity over multimode fiber. It operates with 50/125 µm and 62.5/125 µm core sizes, delivering reliable Gigabit Ethernet performance at up to 2.13 Gbps. The module features a standard LC duplex connector and is compliant with the SFP MSA (Multi-Source Agreement), ensuring broad interoperability with compatible switches, routers, and media converters. Construction uses a compact metal housing with precise component placement, promoting efficient heat dissipation and stable signal transmission during extended operation. The optical transmitter and receiver are engineered for low power consumption while maintaining consistent output power and sensitivity across typical link distances. This module is ideal for enterprise local area networks, storage area networks, and server connectivity where cost-effective fiber optic links are required. Quality control procedures include optical eye pattern testing and temperature cycling to verify performance under varying conditions. The plug-and-play design allows quick installation without special tools, and the hot-swappable capability enables maintenance without network downtime. As a well-known brand in optical networking, Finisar modules are recognized for reliable operation and straightforward deployment in both structured cabling environments and legacy infrastructure. The overall construction balances durability with lightweight form factor, making it suitable for dense port configurations. The electrical interface conforms to SFF-8472 digital diagnostics monitoring, providing real-time access to parameters such as temperature, voltage, bias current, and transmit/receive power. This diagnostic capability helps network administrators proactively monitor link health and plan maintenance. The module supports a variety of switch and router platforms from major manufacturers, thanks to its standard compliance. For organizations seeking to extend their fiber network without major infrastructure changes, this transceiver offers a drop-in solution for 1000BASE-SX ports. Its operating temperature range typically covers commercial requirements, and the laser eye safety classification adheres to Class 1 standards. The absence of moving parts contributes to long-term reliability in environments with moderate vibration. When evaluating total cost of ownership, this module represents a very affordable option for scaling Gigabit Ethernet connectivity over multimode fiber. Its consistent performance has made it a common choice for cost-conscious deployments that still demand professional-grade networking hardware. Use with appropriate fiber patch cables and clean connectors to ensure optimal optical coupling. The compact design also supports high port density in chassis systems, allowing more connections per rack unit.

This Finisar SFP module is a practical choice for organizations that need dependable fiber links without premium pricing.