Startechcom cable management assessories startechcom cmpnl2u the cmpnl2u 2u horizontal cable management panel from startechcom can be mounted to a standard 19 inch 2 or 4 post server rack to help you organise horizontal cabling using the combination of a finger duct and d ring hooks made from high quality steel the cable organiser 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