SFP-GE-LH40-SM1550 is a H3C® compatible 1000Base SFP Optical Transceiver and is factory preprogrammed with all the necessary configuration data for seamless network integration. Our transceivers perform identically to H3C® original transceivers and are 100% compatible with other OEM and third party transceivers. The SFP-GE-LH40-SM1550 is 100% MSA (Multi-Source Agreement) compliant.