Vertiv GL48WMCMS-W-SH-AF-CM 25U Wall-Mount Network Enclosure
Overview
The Vertiv GL48WMCMS-W-SH-AF-CM is a 48-inch (25U) wall-mount cabinet in Winter White, configured with active fan airflow, swing-handle access control, and a clear cable management bar — built for telecom closets, IDF rooms, and distributed network edge deployments where floor space is not an option. This specific SKU ships in the 25U configuration, though the GL series accommodates 12U (24-inch) and 19U (36-inch) profiles within the same family, making it easier to standardize hardware across multiple closets without switching vendors.
For integrators managing wall-mount network enclosures across enterprise campuses or multi-site deployments, the GL48WMCMS-W-SH-AF-CM (often searched as GL48WMCMS W SH AF CM) delivers a pre-configured combination of door style, airflow, and cable management that eliminates field customization guesswork. Explore the full Vertiv enclosure catalog for companion rack accessories and power distribution options.
Key Features
- 25U (48-inch) Usable Depth: Provides rack space for edge switches, patch panels, small UPS units, and wireless controllers — enough capacity to consolidate an entire IDF closet into a single wall-mount footprint rather than spreading gear across open shelving.
- Active Fan Airflow: The integrated fan option actively exhausts heat rather than relying on passive convection. In enclosed telecom rooms where ambient temperatures can spike, active airflow keeps switch and patch panel operating temps within manufacturer ranges without requiring a dedicated CRAC unit — relevant when the closet holds PoE switches running near their thermal ceiling.
- Swing Handle Access Control: The swing handle provides quick-access locking suitable for controlled-access IDF rooms where speed of access matters during maintenance windows. For environments requiring stricter audit trails, the GL family also supports SEAL Combo and SEAL Electronic access control configurations — worth specifying at order time if compliance logging is a requirement in your deployment.
- Clear Cable Management Bar: Integrated cable management keeps patch cords dressed horizontally and prevents cable sag that can obstruct airflow or make future moves/adds/changes a tangle problem. For high-density copper or fiber patching environments, pair this with a dedicated horizontal cable manager above and below each switch unit.
- Winter White Finish: The Winter White color option integrates visually into office and retail environments where a black cabinet would read as out-of-place. It also simplifies matching to suspended ceiling and wall finishes in open-plan or retail spaces where the enclosure is visible to occupants.
- Multi-Height Family (12U / 19U / 25U): The GL series spans 24-inch (12U), 36-inch (19U), and 48-inch (25U) heights, so you can specify the right U-count per closet without deviating from a single hardware platform. Standardizing on one enclosure line reduces spare-parts inventory and simplifies installation crew training across a multi-site rollout.
- Door Options Across the GL Family: The family supports Plexi, Mesh, and Solid doors — the mesh variant improves passive airflow for fan-assisted builds, while solid and Plexi suit environments where dust ingress or visual security of the interior matters. This SKU's door configuration should be confirmed against the specific variant code prior to ordering.
Integration and Compatibility
The GL48WMCMS-W-SH-AF-CM is designed to accept standard 19-inch rack-mount equipment. Wall-mount enclosures in this class pair naturally with PoE network switches, fiber patch panels, small-form UPS units, and wireless LAN controllers. For structured cabling termination at the IDF level, this cabinet works alongside Panduit and similar patch panel systems — see the structured cabling category for compatible patch panels, cable managers, and keystones. Verify wall-stud spacing and load-bearing capacity before installation: 25U loaded with active switching gear can approach 100+ lbs — wall anchor selection and stud count matter.
Frequently Asked Questions
Q: What is the rack unit capacity of the GL48WMCMS-W-SH-AF-CM?
A: The GL48WMCMS-W-SH-AF-CM is a 48-inch height enclosure providing 25U of usable rack space. The GL family also includes 24-inch (12U) and 36-inch (19U) variants for smaller deployments.
Q: Does the GL48WMCMS-W-SH-AF-CM include active cooling?
A: Yes. This SKU is configured with active fan airflow, which actively exhausts heat from inside the cabinet — an important distinction from no-fan GL variants that rely on passive convection only.
Q: What access control type does the GL48WMCMS-W-SH-AF-CM use?
A: This model is configured with a Swing Handle. The GL family also supports SEAL Combo and SEAL Electronic access control options on other variants, which provide keyed combination or electronic locking for environments with stricter physical security requirements.
Q: What cable management is included with the GL48WMCMS-W-SH-AF-CM?
A: This SKU includes a Clear cable management bar. The GL family also offers a Cable Bar option and no-cable-management variants depending on the specific model code ordered.
Q: What color is the GL48WMCMS-W-SH-AF-CM?
A: Winter White. The GL series is also available in Black for data center or server room environments where that finish is preferred.
The GL48WMCMS-W-SH-AF-CM is the configuration I reach for when a client needs a managed IDF presence in a space that can't sacrifice floor area — the 25U (48-inch) height gives you enough rail to land a 24-port PoE switch, a fiber patch panel, a horizontal manager, and a small UPS without stacking gear on a shelf or fighting for wall anchors twice. The active fan spec on this SKU is the detail that separates it from passive-only siblings and matters most in closets that get warm during business hours.
Technical Highlights:
- 25U / 48-inch Height: Enough vertical space to rack a fully populated IDF — switch, patch panel, cable manager, and backup power — without moving to a floor-standing cabinet that requires a separate footprint and seismic anchoring in most jurisdictions.
- Active Fan Airflow: Forced-air exhaust keeps internal temps manageable when PoE switches are running near thermal limits; passive convection alone is often insufficient in small, poorly ventilated telecom closets.
- Swing Handle + Clear Cable Bar: The swing handle access control gives fast entry during maintenance without a key hunt, and the clear cable management bar keeps patch runs visible and organized — both reduce time-on-site during MACs.
Deployment Considerations:
- Confirm wall load capacity before installation — a 25U cabinet fully populated with switching gear, a UPS, and cabling can approach or exceed 100 lbs; drywall anchors alone will not hold this safely and stud-to-stud mounting or a backboard is the correct approach.
- The GL family spans three heights (12U, 19U, 25U) and multiple door, access control, and airflow configurations — verify the full SKU code matches your spec sheet before ordering, as color, fan, and cable management options are baked into the model number and cannot be field-swapped post-delivery.
The GL48WMCMS-W-SH-AF-CM is the right call for enterprise IDF closets in office or retail environments where the Winter White finish blends with the space, active thermal management is non-negotiable, and the installation team needs fast, repeatable access during a multi-site rollout.
