Product_description: ['PROLABS’s SFP SR optical transceivers are based on Gigabit Ethernet IEEE 802.3 standard and Fiber Channel FC-PI Rev.5.0 and provide a quick and reliable interface for the GE/FC application. In addition, they comply with the Small Form Factor Pluggable Multi Sourcing Agreement (MSA). Product Features: - Up to 1.25 GBd bi-directional data links - Compliant with IEEE 802.3z Gigabit Ethernet and 1000BASE-SX - Compliant with SFP MSA - Hot-pluggable SFP footprint - 850nm VCSEL laser transmitter - Duplex LC connector - Up to 550m on 50/125um MMF - Up to 300m on 62.5/125um MMF - Single power supply 3.3V - RoHS Compliance - Class 1 laser product complies with EN 60825-1 - Operating temperature range: 0? to 70?. Applications: - 1.25 GBd Gigabit Ethernet