Control software for continuous wave (CW), tunable laser with a high-power output. The TLS product offers C or L band laser with narrow linewidth and high-resolution tunability for coherent/OFDM transmission and WDM network emulation. EXFO TLS software enables control of FTBx-2850 modules. FTBx-2850 module firmware update material included. Follow instructions available in user guide installed with main software.