HODF-RS576-4U is a high density fiber optic patch panel that made by high quality cold roll steel material, the surface is with electrostatic powder spraying. It is sliding type 4U height for 19inch rack mounted application. It has 12pcs plastic sliding trays, each sliding tray is with 4pcs MPO cassettes. It can load 48pcs MPO cassettes HD-08 for max. 576 fiber connection and distribution. There are cable management plate with fixing holes at back side of patch panel.