The 9.95 to 11.3 Gbps, DWDM, Tunable, 80 km SFP+ is a fully duplex serial electric, serial optic device with both transmit and receive functions contained in a single module that provides a high speed serial link at a nominal rate of 10 Gbps. The Tunable SFP+ is controlled by software on the host module and can operate on the C-band, supporting Channels 17 through 60. Installed in the appropriate host module, the Tunable SFP+ provides a 9.95 to 11.3 Gbps interface to the supporting system.