RTK-4 includes a 3U cable knockout panel and 9U vent panel with black powder coat finish. RTB series rack tops are designed to fit Lowell LER and LGR racks with 12U configurable tops that feature 10-32 threaded rails on 19" EIA spacing.

3U Knockout Panel:

• 18-gauge steel frame
• Series of combination knockouts for cable management
• Black powder coat finish
• Mounting hardware

9U Vent Panel:

• 18-gauge steel slotted vent panel
• 19"W x 0.50"D x 9U
• Black powder coat finish
• Mounting hardware