Open frame racks, also called 2-post or 4-post racks, are widely used for cabling and patching frames, intermediate distribution points, and similar large installation purposes. Middle Atlantic offers several styles to meet project needs, including aluminum and steel 2-post models, as well as steel 4-post and cable management racks. Models are available in 10-32 and 12-24 threaded styles, and some models are provided with cage nut rail. Note that the R2 series 2-post rack and the MK Series Cable Management Rack are both Seismic Certified.

Open frame racks range in capacity from 38 to 51 rack spaces.

RL Series, 2 Post Steel Open Frame Rack
RL Series, 2 Post Steel Open Frame Rack

RL Series 19" 2-post open frame racks incorporate a self-squaring, self-leveling design for easy assembly. Top rails accommodate standard cable ladders. Strong steel construction.

RLA Series, 2 Post Aluminum Open Frame Rack
RLA Series, 2 Post Aluminum Open Frame Rack

The industry standard RLA Series two post open frame rack incorporates a 15” deep heavy-duty aluminum base and includes holes so that the rack can be secured to the floor. 12-24 threaded front and rear, with numbered rackspace increments. Includes 50 rack screws.

R4 Series Four Post Open Frame Rack
R4 Series Four Post Open Frame Rack

Mount networking, telephone, VOIP equipment, routers, switches and more with the R4 Series Four Post Open Frame Rack. These racks are designed to accommodate deeper, heavier components than a two post frame rack. Two styles are available, one with 12-24 threaded rackrail, and one with cage nut rackrail.

MK Series Cable Management Rack
MK Series Cable Management Rack

The MK Series Cable Management Racks incorporate captive fasteners for quick assembly times, eliminating loose bolts. Ideal for applications with massive cable bundles. Includes 100 rack screws as well as hook and loop fasteners for cable management.