10-2557-01-RF – Cisco 10Gbps 10GBase-CWDM OC192/10GE/OTU2 Single-mode Fiber 40km 1610nm Duplex LC Connector XFP Transceiver Brand : Cisco Weight : XFP Data Transfer Rate : 10 Gbps Mode : Single-mode Fiber (SMF) Max. Distance : 40 km Wavelength : 1610 nm Connector Type : Duplex LC Connector