... SFP footprint 1310nm DFB Transmitter and 1550nm PIN Receiver for XGSF-BL3512-40 1550nm DFB Transmitter and 1310nm PIN Receiver for XGSF- ... FTTX Application What we supplyWe supply all kinds of compatible optical transceiver modules, including SFP, GBIC, SFP+, XENPAK, X2 ... DWDM and other special transceiver modules. Our products are compatible with Cisco, 3COM, H3C, HP, Extreme, Foundry, Avaya, ...