Middle Atlantic MRK Series 44RU Open-Frame AV Rack with Back Door - 26in Depth, 22in Width

Middle AtlanticSKU: 5538490

Price:
Sale price$1,738.80

Description

Middle Atlantic MRK Series 44RU Open-Frame AV Rack with Back Door - 26in Depth, 22in Width

From the industry-leading MRK Series, this 44RU Open-Frame AV Rack delivers enduring performance on large-scale, multi-bay installations. Built for rugged environments, it combines a compact footprint with maximum rack capacity, enabling installers to consolidate gear and reduce site clutter. The 22-inch width and 26-inch depth accommodate deep AV processors, matrix switches, power distribution, and media servers, while the open-frame design promotes superior airflow for critical equipment. Seismic certification adds peace of mind in regions prone to vibration, and the full-height back door provides secure, accessible wiring, maintenance, and service. Whether you're outfitting a control room, broadcast rack, or large conference venue, MRK Series racks are designed to work as hard as your team does.

  • Rugged, space-saving frame: The MRK 44U rack uses heavy-duty construction with precision-welded seams to deliver a sturdy framework that maximizes floor space while supporting substantial equipment loads, racks, and accessories.
  • Seismic-certified reliability: Engineered to meet seismic requirements for commercial installations, the MRK Series delivers dependable performance in high-vibration environments, helping protect critical gear during earthquakes or tremors.
  • Generous 44U capacity: With 44 rack units, this open-frame enclosure accommodates a wide array of gear—from AV processors and matrix switches to patch panels and power distribution units—reducing the need for multiple enclosures on complex jobs.
  • Open-frame design with back access: The open-frame architecture promotes excellent airflow and straightforward equipment installation, while the back-door access enables secure rear wiring and service without removing front panels.
  • Flexible mounting and cable management: Adjustable rails, configurable mounting points, and integrated cable management features streamline installation, improve cooling, and simplify future upgrades as your AV system evolves.

Technical Details of Middle Atlantic MRK Series 44RU Open-Frame AV Rack with Back Door - 26in Depth, 22in Width

  • Rack capacity: 44U
  • External dimensions: Width 22 inches, Depth 26 inches; Height approximately 77 inches (44U at 1.75 inches per RU)
  • Construction: Heavy-duty steel framing with durable powder-coated finish
  • Front/back access: Open-frame front with full-height back door for secure cable entry and service access
  • Seismic certification: Seismic-rated for reliable performance in compliant installations

How to install Middle Atlantic MRK Series 44RU Open-Frame AV Rack

Follow these steps to ensure a proper, safe installation that optimizes airflow and equipment longevity.

  • Plan the layout by identifying the equipment weights and thermal needs. Confirm the mounting rails are aligned for a 19-inch equipment footprint and ensure adequate clearance for door operation and cable routing.
  • Prepare the location and mount the rack on the floor or within a suitable supporting structure as required by local codes and project specifications.
  • Install the vertical mounting rails. Align rails to the top and bottom mounting holes and secure with the provided hardware, ensuring rails are plumb and level to support heavy components.
  • Arrange and mount equipment from bottom to top, starting with power distribution and then adding processing units, media players, and I/O modules. Leave sufficient space around heat-generating devices for airflow.
  • Route power and signal cables through integrated cable management channels and into the rear access area. Use cable ties and spacers to keep cables organized and avoid obstructing vents.
  • Close the back door if applicable and verify that airflow remains unrestricted. Check cable slack, power connections, and boot-up sequences for each device, and test system functionality as a whole.

Frequently asked questions

  • Q: What does 44U mean? A: It refers to the rack's capacity, measuring 44 rack units (44 x 1.75 inches) of vertical space for mounting equipment.
  • Q: Does this MRK rack come with a back door? A: Yes, this model includes a full-height back door to provide secure access and easy cable management from the rear.
  • Q: Is the MRK Series seismic-certified? A: Yes, the MRK Series is designed to meet applicable seismic certification requirements for installed environments.
  • Q: What types of equipment can fit in 44U open-frame? A: A wide range of AV components such as processors, amplifiers, patch panels, power distribution units, racks, and small-format media servers can fit, depending on their dimensions and mounting depth.
  • Q: Is air flow optimized in MRK open-frame racks? A: The open-frame design promotes airflow, and the 26" depth helps maintain clearances for cooling along the rear and front planes.

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