Vertiv GL48WMCMM-W-SE-00-00 25U Wall-Mount Network Cabinet
Overview
The Vertiv GL48WMCMM-W-SE-00-00 is a 25U wall-mount cabinet finished in Winter White — the 48-inch height variant of Vertiv's GL WM Premium series, configured with a mesh door, SEAL Electronic access control, integrated fan airflow, and a cable bar for structured cable management. This specific SKU (sometimes searched as GL48WMCMM W SE 00 00) is aimed at deployments where aesthetics matter as much as function: server closets in office interiors, healthcare corridors, education facilities, and retail back-offices where a white enclosure blends with the environment rather than announcing itself as a black telecom box.
The GL series wall-mount line spans three height options — 12U (24-inch), 19U (36-inch), and 25U (48-inch) — so the GL48WMCMM-W-SE-00-00 sits at the top of the family's capacity range. If your wall-mount application needs fewer rack units, the 12U or 19U variants in the same GL WM series are the natural step-downs without changing your access control or mounting strategy. For deployments needing floor-standing capacity, a Vertiv VR or VX rack would be the appropriate move up.
Explore the full Vertiv enclosure and infrastructure catalog or browse wall-mount and open-frame rack cabinets to compare form factors before committing.
Key Features
- 25U at 48-inch depth: With 25 rack units of usable space, this cabinet handles a meaningful mix of switching, patching, and small server gear in a wall-mount footprint — enough for a full access-layer stack in a remote IDF closet without requiring floor space or a separate rack room.
- Winter White finish: The Winter White color option is a practical spec for healthcare, education, and open-office deployments where black cabinets read as industrial or out-of-place. Most competing vendors default to black; white is a deliberate configuration choice here, not an afterthought.
- Mesh door: Mesh doors maximize passive and active airflow through the front face — critical when you're stuffing 25U of switching and compute into a sealed wall enclosure. If your gear runs warm, a mesh door paired with the fan option (see below) is the right combination; solid doors are available in the GL family but add thermal risk at higher loads.
- SEAL Electronic access control: The SEAL Electronic lock provides credential-based entry — not just a key — so you can log access events and integrate with your physical security policy. This matters in environments governed by HIPAA, PCI-DSS, or similar frameworks where documenting who opened the IDF cabinet and when is a compliance requirement, not just a preference. The GL family also offers Swing Handle and SEAL Combo variants if electronic logging isn't required.
- Integrated fan airflow: The fan option actively moves air through the enclosure, which matters when passive convection isn't sufficient — common when the wall-mount location is in a conditioned but not well-ventilated corridor, or when the cabinet is densely populated. The 'None' airflow option exists in the GL series for lightly loaded patch-only enclosures; specify fan when active gear fills the space.
- Cable bar cable management: The cable bar keeps horizontal and vertical runs organized and off the equipment itself, reducing strain on patch panel ports and making future moves/adds/changes faster. The GL family also offers a 'Clear' cable management option and a 'None' baseline; the cable bar is the mid-tier choice that works for most structured-cabling builds.
- Multi-configuration family: The GL WM Premium line supports door type (Plexi, Mesh, Solid), color (Black or Winter White), access control (Swing Handle, SEAL Combo, SEAL Electronic), airflow (None or Fan), and cable management (None, Cable Bar, Clear) as discrete options. This GL48WMCMM-W-SE-00-00 configuration is a specific factory build — confirm the SKU maps exactly to your required options before ordering, since each combination has its own part number.
Integration and Compatibility
Wall-mount cabinets in the GL WM Premium series are designed around standard 19-inch EIA rack mounting, so any rack-mountable networking, patching, or compute equipment fits without modification. The 25U height accommodates full-depth 1U switches, patch panels, fiber enclosures, and small 1U/2U servers within the same enclosure. If you're managing structured cabling into this cabinet, pair it with a compatible patch panel and a PoE access switch to complete the IDF build. The SEAL Electronic lock requires a power source and any compatible credential management system your facility already operates — verify your access control infrastructure supports the SEAL protocol before specifying this SKU over the SEAL Combo or Swing Handle variants.
For cable-intensive installations, the cable bar option in this configuration works well alongside horizontal cable managers; consult your structured cabling planning guide to size cable management to the number of ports in the enclosure.
Frequently Asked Questions
Q: What does the 'SE' suffix in GL48WMCMM-W-SE-00-00 indicate?
A: The 'SE' in the part number corresponds to the SEAL Electronic access control option. This is an electronically controlled lock (as opposed to 'SC' for SEAL Combo or a swing handle variant), which enables credential-based entry logging. Each suffix position in the GL WM Premium part number encodes a specific configuration option, so the full SKU GL48WMCMM-W-SE-00-00 defines a complete factory build.
Q: Is the GL48WMCMM-W-SE-00-00 available in black?
A: The 'W' in this SKU designates Winter White. The GL WM Premium series is offered in both Black and Winter White; selecting a black equivalent requires a different part number — the suffix changes at the color position. Confirm the correct SKU for your color requirement before ordering.
Q: What rack unit capacity does the GL48WMCMM-W-SE-00-00 provide?
A: This is the 48-inch (25U) variant of the GL WM Premium series. The same family is also available in 24-inch (12U) and 36-inch (19U) heights. The 25U depth is the maximum in the GL WM line, appropriate for fully populated IDF closets with switching, patching, and small compute.
Q: Does this cabinet include active cooling, or is it passive only?
A: The GL48WMCMM-W-SE-00-00 is configured with the fan airflow option, meaning it includes an integrated fan unit for active cooling. The GL WM Premium series also offers a 'None' (passive) airflow configuration for lightly loaded installations; this SKU is the fan variant.
Q: What cable management is included in this configuration?
A: This SKU includes the Cable Bar option. The GL WM Premium series supports three cable management configurations: None, Cable Bar, and Clear. The cable bar organizes horizontal and vertical cabling runs to reduce port strain and simplify future moves and changes.
Q: Can the SEAL Electronic lock on this cabinet be integrated with an existing access control system?
A: The SEAL Electronic lock supports credential-based access logging. Whether it integrates with your specific access control platform depends on your installed system's compatibility with the SEAL protocol. Verify with your access control vendor or contact pre-sales engineering before finalizing this configuration if third-party integration is required.
The GL48WMCMM-W-SE-00-00 is a highly specific factory configuration — 25U, Winter White, mesh door, SEAL Electronic lock, fan, cable bar — and that specificity is exactly the point. Every position in the part number is a decision, and this build is tuned for deployments where access auditing and thermal management are both non-negotiable. The SEAL Electronic lock in particular separates this SKU from the swing-handle variants: you're paying for the ability to log who opened the cabinet and when, which is a compliance requirement in healthcare and financial branch office environments, not just a convenience.
Technical Highlights:
- 25U (48-inch) capacity: The tallest GL WM Premium variant — 25U gives you room for a full access-layer switch stack, patch panels, and fiber termination in a single wall-mount footprint, eliminating the need for a dedicated rack room at smaller branch or IDF locations.
- Fan airflow + mesh door combination: Mesh doors allow maximum front-face airflow, and the integrated fan actively drives air through the enclosure. This pairing handles thermally active loads that passive enclosures cannot — switches and small servers generating sustained heat in a corridor cabinet benefit directly from this configuration.
- SEAL Electronic access control: Electronic credentialing means access events are logged, not just keyed. In regulated environments (HIPAA, PCI-DSS), that log is evidence — the Swing Handle and SEAL Combo variants don't provide it.
Deployment Considerations:
- The Winter White finish is an aesthetic configuration choice with real-world implications: confirm your wall-mounting surface and surrounding environment are compatible with white before ordering, since swapping to black requires a different SKU entirely.
- The SEAL Electronic lock requires a power feed and a compatible credential management platform — don't specify this variant on a site that only has mechanical lock infrastructure unless you're also deploying the supporting access control system at the same time.
This cabinet is purpose-built for healthcare and education IDF closets where white enclosures blend into finished interior spaces, compliance mandates electronic access logging, and active switching gear in a dense 25U footprint demands real airflow — not passive convection and hope.
