The cmpnl2u 2u horizontal cable management panel mounts to a standard 19 2 or 4 post server rack to help you organize horizontal cabling using the combination of a finger duct and d ring hooks constructed of high quality steel the cable organizer is designed as a double sided solution offering cable management on both the front and back of the panel the front is equipped with 4 horizontal d ring hooks while the back has 2 additional hooks as well as a cable duct with a series of fingers th