1.25G Single-mode SFP Transceiver (80km) SFP-3611 LevelOne SFP-3611 is a high performance and costeffective single-mode SFP transceiver. Intended for use with Gigabit Ethernet, it provides up to 1.25 Gbps bi-directional data transfer rate on a single duplex fiber core. For use with 9 micron fiber cables, it can reach a distance of up to 80km. The SFP-3611 transceiver operates using a wavelength of 1550nm with a DFB Laser Diode light source and has a LC connector. Specifications 1550nm DFBLD Data Rate: 1.25Gbps,NRZ Single +3.3V Power Supply RoHS Compliant and Lead-free AC/AC 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 Fibre Channel applications at 1.06bps No configuration or installation software required Eye Safety Designed to meet LASER Class 1 comply with EN60825-1