Fiber Optic (XGSF-BS5312-40) 1.Up to 1.25 ... Fiber Optic (XGSF-BS5312-40) PRODUCT FEATURES Up to 1.25 GB/s bi-directional data links Hot-pluggable SFP footprint 1310nm DFB Transmitter ... 1550nm PIN Receiver for XGSF-BL3512-40 1550nm DFB Transmitter and 1310nm PIN Receiver for XGSF-BL5312-40 Single LC ... Riverstone, Enterasys, Netgear, Nortel, Juniper, Ruijie, Zyxel, Huawei,etc. Fiber Optic (XGSF-BS5312-40)