Cisco compatible (10720-GE-SFP-SX, 15327-SFP-LC-SX, 15454E-SFP-LC-SX, 15454-SFP-GEFC-SX, 15454-SFP-LC-SX, CSS5-GBIC-SX, DS-SFP-FCGE-SW, GLC-SX-MM, GLC-SX-MMD, GLC-SX-MM-RGD, ONS-SC-GE-SX, ONS-SI-GE-SX, SFP-FCGE-S, SFP-GE-S), 1.25G, SFP, 850nm, 550M Transceiver, LC Connector for MMF with DDMI, x10