1.25G Single-mode SFP Transceiver (10km) SFP-3211 LevelOne SFP-3211 is a high performance and cost-effective single-mode SFP transceiver. Intended for use with Gigabit Ethernet, it provides up to 1.25 Gbps bidirectional data transfer rate on a single duplex fiber core. For use with 9 micron fiber cables, it can reach a distance of up to 10km. The SFP-3211 transceiver operates using a wavelength of 1310nm with a FP Laser Diode light source and has a LC connector. Specifications 1310nm FPLD Data Rate: 1.25Gbps, NRZ Single +3.3V Power Supply RoHS Compliant and Lead-free AC/DC Differential Electrical Interface Compliant with Multi-Source Agreement (MSA) Duplex LC Connector Compliance with specifications for IEEE-802.3z Gigabit Ethernet at 1.25Gbps Compliance with ANSI specifications for Fiber Channel applications at 1.06bps No configuration or installation software required Eye Safety Designed to meet LASER Class 1 comply with EN60825-1