Vertiv GL48WMCMS-B-SH-AF-CM 25U Wall Mount Network Cabinet with Fan and Cable Management
Overview
The Vertiv GL48WMCMS-B-SH-AF-CM is a 48-inch (25U) wall-mount enclosure built for network and security equipment in space-constrained installations where a full floor-standing rack is not practical. This configuration ships in black with a swing handle access-control mechanism, active fan airflow, and a cable management bar — a combination that addresses the three most common pain points in wall-mount deployments: thermal management, cable discipline, and controlled access. If you are searching for it as GL48WMCMS B SH AF CM, this is the same unit.
Wall-mount enclosures in the Vertiv enclosure line fill the gap between open-frame two-post racks and fully enclosed floor cabinets. The GL series is configured at order time across several axes — height, door style, access control, airflow, and cable management — so what you receive is purpose-built rather than a stripped unit you accessorize after the fact. The GL48WMCMS-B-SH-AF-CM represents the fully-loaded 25U variant: fan-equipped, cable-managed, and swing-handle secured.
Key Features
- 25U (48-inch) Height: At 25U, this cabinet accommodates a meaningful mix of switching, patch panels, and edge compute without requiring floor space. In a wiring closet or server room annex where every square foot is allocated, wall-mounting a 25U enclosure frees the floor for airflow and personnel movement.
- Active Fan Airflow: The fan option moves air through the enclosure actively rather than relying on passive convection. For densely loaded 1U switches, PoE injectors, or NVR appliances running 24/7, passive airflow is often insufficient — active cooling keeps inlet temperatures within equipment operating envelopes and extends component service life.
- Swing Handle Access Control: The SEAL swing handle keeps the door closed and provides a basic tamper deterrent without requiring electronic credentials or a key-management program. For IT closets with card-access entry at the room level, swing-handle cabinet security is typically the correct balance between access convenience and physical protection.
- Cable Management Bar (Clear): The included cable management option routes patch cables and power cords away from equipment faces and airflow paths. In a 25U wall cabinet, unmanaged cabling quickly creates a maintenance hazard — bundles that block fan intake, obscure port labels, and make moves/adds/changes far slower than they need to be.
- Black Finish: The black color option blends into standard data center and wiring closet aesthetics and is the conventional choice for commercial installations. The alternative Winter White finish is available for environments where the cabinet is surface-mounted in a finished interior space and visual integration with the wall matters.
- Configurable Door Style (Plexi / Mesh / Solid): The GL platform supports three door types. This unit's specific door configuration should be confirmed at order — plexi allows visual status checks without opening the cabinet, mesh maximizes passive supplemental airflow, and solid provides the cleanest appearance and maximum physical security for the front face.
- Multiple Height Options in the GL Family: The GL platform is available in 24-inch (12U) and 36-inch (19U) configurations alongside this 48-inch (25U) unit. If your equipment count doesn't justify 25U, the 12U or 19U variants reduce wall-loading and footprint while sharing the same access-control and airflow option set.
Integration and Compatibility
The GL48WMCMS-B-SH-AF-CM is a general-purpose wall mount network enclosure compatible with standard 19-inch rack-mount equipment. It integrates into any structured cabling or network switch deployment where wall-mount form factor is required. The enclosure accommodates PoE switches, patch panels, fiber distribution units, NVR appliances, and UPS units within the 25U space. The cable management bar is compatible with standard patch cable diameters and trunk cable bundles. For security deployments, this cabinet is a natural pairing with edge NVRs or access control head-end hardware that needs a secured, ventilated enclosure without dedicated rack room. Review wall-loading ratings and stud-spacing requirements against your specific wall construction before installation — 25U of populated equipment generates substantial point load.
If your deployment calls for remote monitoring of cabinet environmental conditions, Vertiv offers compatible environmental monitoring units that mount within the enclosure and report temperature, humidity, and door-open events to a central management platform. Pair with a rack-mount PDU to manage outlet-level power within the cabinet.
Frequently Asked Questions
Q: What is the rack unit capacity of the GL48WMCMS-B-SH-AF-CM?
A: The GL48WMCMS-B-SH-AF-CM is a 48-inch tall enclosure providing 25U of rack-mount space for standard 19-inch equipment.
Q: Does the GL48WMCMS-B-SH-AF-CM include active cooling?
A: Yes. The
