The FSP 19 Inch Rack Panel system allows you to mix and match the various FSP Series Sub Panels, options that L-com currently offers. Available in an attractive Flat Black powder coat finish in a 2U (3.5") version. 6 FSP Sub-panels can be snapped into place using push button grommet fasteners that allow for ease of installation or removal from the Rack Panel frame. Please note that the FSP Series MPO Cassettes do not work with this Sub-Panel.Optional cable management bracket PR-CMB available (sold separately) Same day shipping on most items; Order online today!