Rack Trays and Rack Drawers – Adder Rack trays allow for management of 16 remote devices such as PC, Mac, SUN or almost any server. Adder rack trays feature high quality Samsung LCD display panels. Connection to remote devices is made via Adder CAM modules allowing you to connect an array of interfaces such as USB, PS/2, VGA, Audio and RS232. The RDX5000IP can be used as an RS232 console using the new CATx-Console CAM.