Cisco compatible (10720-GE-SFP-LH, 15327-SFP-LC-LX, 15454E-SFP-LC-LX, 15454-SFP-GE+-LX, 15454-SFP-LC-LX, CSS5-GBIC-LX, GLC-LH-SM, GLC-LH-SMD, GLC-LX-SM-RGD, ONS-SC-GE-LX, ONS-SI-GE-LX, SFP-GE-L), 1.25G, SFP, 1310nm, 10KM Transceiver, LC Connector for SMF with DDMI, x10