Middle Atlantic SRSR Series 21RU Slide Out Rotating Rack Rail System - 19.1in Depth Wall Mounted Rack

Experience effortless rear-access to your equipment connections with the Middle Atlantic SRSR Series 21RU Slide Out Rotating Rack Rail System. This wall-mounted rack system is purpose-built for millwork, cabinets, and flush in-wall installations, delivering a compact yet capable solution that keeps gear organized, accessible, and secure. With a 21U rack capacity, a slide-out mechanism, and a 90° rotation in either direction, the SRSR is ideal for tightening up space in smaller systems while preserving full access for maintenance and upgrades. The removable rack frame enables convenient in-shop pre-assembly and simplifies on-site setup, reducing installation time and disruption. Whether you’re mounting gear behind a wall, in a cabinet, or within a custom millwork enclosure, the SRSR brings professional-grade versatility to every project.

• 21U rack capacity provides ample vertical space for AV matrices, patch panels, switches, power distribution, and other essential equipment within a compact footprint.
• Slide-out with 90° rotation extends from the wall and rotates in either direction, delivering full rear access to cabling and connections without needing to move the entire system.
• Flush wall and in-wall installation capability optimizes space and aesthetics, making it ideal for concealed or cabinet-integrated setups in residential, corporate, or broadcast environments.
• Depth options for versatile equipment fit available with a usable depth of 19 inches or 23 inches, enabling compatibility with a wide range of gear footprints while preserving clearance for cabling and airflow.
• Removable rack frame for in-shop assembly allows pre-wiring and testing before final installation, simplifying field work and ensuring a cleaner on-site setup with easy reassembly and maintenance.

Technical Details of Middle Atlantic SRSR Series 21RU Slide Out Rotating Rack Rail System

• Rack capacity: 21U
• Overall depth: 19.1 inches
• Usable depth options: 19 inches or 23 inches
• Rotation: Extends and rotates 90 degrees in either direction
• Mounting style: Wall-mounted for flush-in-wall installations
• Rack frame: Removable for in-shop assembly and testing
• Access: Rear access to equipment connections via slide-out mechanism

How to install Middle Atlantic SRSR Series 21RU Slide Out Rotating Rack Rail System

• Plan the installation space within millwork or cabinetry, confirming clearance for the slide-out rail and 90° rotation. Verify that the wall or cabinet structure can support the mounting hardware and the anticipated load.
• Prepare the mounting area by installing the appropriate brackets or supports supplied with the SRSR. Ensure secure anchoring to studs or backing to support vibrations and weight during use.
• Install the removable rack frame into the housing, aligning it with mounting points. Secure the frame to the installed brackets, verifying smooth movement of the slide-out mechanism and rotation.
• Route rear cables through the access openings before seating the rack fully. Use cable management accessories as needed to maintain neat, organized cabling and prevent interference with rotation.
• Extend the rack, rotate to the desired orientation, and perform a test to confirm that all connections are accessible, cables are not pinched, and the system returns to a closed, flush position securely.

Frequently asked questions

• Q: What is the rack capacity of the SRSR Series? A: It provides 21U of vertical rack space for mounting equipment.
• Q: How does the rotation work? A: The rack extends from the wall and rotates 90 degrees in either direction, allowing full rear access without removing the unit from its mounting.
• Q: Can this be installed flush in-wall? A: Yes, the SRSR Series is designed for flush-in-wall and millwork installations, providing a discreet and professional look.
• Q: Are there depth options? A: Yes. The system offers usable depths of 19 inches or 23 inches to accommodate different equipment footprints.
• Q: Is the rack frame removable? A: Yes, the rack frame is removable to enable in-shop assembly and testing before final installation.