Space saving 1U design, 19' rackmountable Supports up to 5 Tripp Lite High Density Fiber Cassettes, allowing for up to 60 Duplex LC Ports (120 fiber connections) Includes optional rear-mounting cable management bracket for proper routing of cabling Fold-down door panel on the front of the unit that protects your connections, while rotating out of the way to provide full access- removable