ADD-RACK-16 is a 19" Unmanaged Media Converter Chasis with 16-slot Rack Mount. Offering a great space/performance ratio, the ADD-RACK-16 covers various fiber media converter functions, including a variety of data rate, SM/MM, single and double fiber with simple setup. The rack is standard with dual redundant power supply. Addoncomputer.com Media Converters and Network Interface Cards are 100% compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs. With our ADDON CERTIFICATION TEST Program, we can guarantee your product will work right the first time.