Fiber Patch Panel, Slide-Out Termination and Splice Combo Shelves, 4UOne (1) splice tray FB25 4000STP24 included. Additional splice trays and adapter panels sold separately. This fiber patch panel is only compatible with our FB24 series of adapter panel inserts and either FB25 4000STP24 splice tray or FB25 3401STP36, which are sold separately. To find out more, give us a call or email us. Description Fiber Patch Panel, Slide Out Patch and Splice Combo, 4RU, Holds 4 Adapter Panels and Up To 4 Splice Trays, Black This