The FTSLC900FS01 is an FX Fusion OS2 LC Simplex 900 - FX Fusion Splice-On Connector in blue. This unit can be used for Field-termination of fiber optic cables within Patch Panels, Distribution Frames, Workstation Outlets for FTTD (Fiber to the Desk), drops for FTTH (Fiber to the home) and MDU (Multiple Dwelling Units).