This splice tray neatly arranges and safeguards fiber optic splices, enabling seamless signal transmission. 12 Core Fiber Optic Tray are designed to provide a location to store and to protect the fiber cables and the splices. Close to see all product details. Structural standard, 19 inch standard rack mounted, with good versatility and easy installation. It has highly appraised by it's customers with superior quality, perfect service and advanced technology (with 12 high speed producing lines, available to manufacture 216. The 12 core fiber optic splice trays are white colors and black colors optional, with same size and high quality. All property indexes are in accordance with.