Network Relay Rack, Open Frame, 2 Post, 45U | 1911-3-200-45Description Open Frame Network Relay Rack, 2 Post, 45U The Kendall Howard 45U Open Frame Network Relay Rack is the ideal racking solution for data centers, wiring closets, or telecom rooms. This unit supports up to 800 lbs of equipment including patch panels, switches, UPS's, keyboard trays, rack shelves, and more! Four 1 4 20 x 0. 5" grounding studs inside the rails permits the direct grounding of equipment. These can be ganged together with the