Model #: SRCABLETRAYEXP Additional Cable Managment Tray for SmartRack Enclosures (Adds an additional level of cable routing to the SRCABLETRAY) A complete line of SmartRack accessories are available to customize your SmartRack to your application. Designed for easy installation and years of reliable service, SmartRack accessories from Tripp Lite are ideal complements to your SmartRack enclosure or open frame rack system. Package Includes When used with the SRCABLETRAY these expansion plates allow dedicated, separate paths for power, data and fiber cables