OPTOKON’s S125-GE-100FX and S125-GE-100LX transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) and are designed for SGMII MAC interface to 100BASE-FX and 100BASE-LX (The SGMII MAC Interface implements a modified 1000BASE-X Auto-Negotiation to indicate link, duplex and peed to the MAC).
The transceivers consist of four sections: the standard SFP part with DDM, the PHY part build with SGMII interface, the 1310nm FP laser and the PIN photo-detector.