19" Rack mount Kit for N-Tron's 100, 300, 500*, 700, 7000, & 9000 Series. Allows Switches to be Rack mounted.: Universal Rack Mount Kit 19" Universal Rack mount Kit For use with N-TRON's 100, 200, 300, 400, 500*, 600, 700, 900, 7000, and 9000 Series Switches Converts Switch from DIN-Rail or Panel Mounting to Rack mount Mounting Different 19" Rack mount included on N-TRON 524TX and 526FX2 Switches URMK