This H3C SFP-GE-LX-SM1310-BIDI is a high performance and cost effective small form factor pluggable (SFP) Bi-directional transceiver for 1000BASE-BX Gigabit Ethernet and 1G Fibre Channel application. It is fully comply with the SFP Multi-Sourcing Agreement (MSA) and can be used on the MSA compliant networking equipment. The 1000BASE-BX SFP optics provide 10km high-speed data links using a single strand of fiber, which can upgrade transmission capacity very convenient without installing new fibers. The SFP transceiver module is a Class 1 laser product complies with FDA/CDRH and IEC-60825 standards.