Middle Atlantic PPM-4 4U Pivoting Wall Mount Panel Rack
The Middle Atlantic PPM-4 is a 4U steel wall mount rack designed for installations where rear access to patched or terminated equipment needs to happen without pulling the unit off the wall. At 6 inches deep and 19.7 inches wide, it fits standard 19-inch rack-mount gear and mounts flush against the wall — then swings open 90 degrees on a hinged front panel when you need to get behind it. That pivoting mechanism is the entire engineering rationale for this product: it solves the rear-access problem in tight spaces without requiring a swing-out wall arm or a deep enclosure. If you're working in a telecom room, security head-end, or AV equipment closet where clearance behind the rack is zero, the PPM-4 (often searched as PPM 4) is the configuration to evaluate.
Key Features
- Hinged front panel — 90-degree swing: The front panel opens fully to 90 degrees, exposing the rear of all mounted equipment without removing the unit from the wall. In a tight IT closet or security control room where you can't step behind the rack, this is the feature that makes service calls manageable rather than miserable.
- 4U capacity in a compact footprint: Four rack units gives you enough space for a 4-channel NVR, a small PoE switch, and a patch panel — or a video encoder, a power conditioner, and a UPS module — depending on your head-end layout. It's not a full-depth rack, but it's enough for a focused security or AV sub-system.
- 6-inch depth — shallow enough to wall-mount practically: At 6 inches deep, the PPM-4 protrudes less than most fire extinguishers from the wall surface. That matters in corridors, mechanical rooms, and equipment alcoves where anything deeper creates a code or clearance issue. Measure your shallowest 1U device before committing — some 1U appliances run 9–10 inches and won't fit.
- Steel construction, black finish: The all-steel chassis handles real rack hardware without flexing under load. Black powder coat finish is standard for equipment room aesthetics and blends with most security and AV gear.
- 10-32 rack rail threading: Standard 10-32 tapped rails are compatible with the overwhelming majority of 19-inch rack-mount equipment. No cage nuts required — just thread in your screws. Verify your specific gear uses 10-32 before ordering if you're working with older or non-standard equipment.
- 19-inch mounting width: Standard EIA-310 19-inch mounting width accepts any compliant rack-mount equipment. The outer chassis measures 19.7 inches wide, accounting for the wall mounting ears.
- Wall mount only — fixed position: This is a wall-mounted unit, not a floor or rack-enclosure product. It installs directly to wall studs or blocking. The overall unit dimensions are 19.7
