20-Foot Containerized Data Center CDC-20: Integrated Infrastructure for Rapid, Reliable Deployment

Modern digital services increasingly depend on computing infrastructure that can be deployed close to users, industrial equipment, transportation systems, communications networks, and remote operational sites. Traditional data center construction can provide excellent capacity, but it often requires a prepared building, extensive civil works, multiple specialist contractors, lengthy commissioning activities, and a stable local supply chain. These requirements are not always practical for edge computing, emergency response, temporary projects, remote industrial facilities, or small-scale disaster recovery.

The 20-foot Containerized Data Center CDC-20 addresses these challenges by combining IT cabinets, power distribution, uninterruptible power supply equipment, batteries, precision cooling, environmental monitoring, cable management, and fire protection within a standard 20-foot high-cube ISO shipping container. Instead of delivering separate infrastructure modules that must be assembled and integrated at the destination, the solution is factory-engineered, pre-installed, tested, and shipped as a single self-contained unit.

This approach provides a practical alternative to conventional equipment rooms and less-integrated modular data center solutions. It reduces on-site construction requirements, shortens deployment schedules, improves coordination between infrastructure subsystems, and simplifies relocation when a project requires temporary or mobile computing capacity. With a total power design of up to 30 kW and four IT cabinets, CDC-20 is designed for compact, high-availability deployments where space, time, and operational predictability are important.

Manufactured and supplied by Wanma Technology Co., Ltd., the CDC-20 benefits from the company’s experience in communication cabinets, communication electronic equipment, passive optical components, Ethernet networks, optical communication networks, railway systems, and urban rail transit applications. This background is relevant to containerized data center design because infrastructure deployed in transport and communications environments must be robust, organized, serviceable, and capable of operating reliably under demanding site conditions.

20-inch Containerized Data Center (CDC-20)

What Is a 20-Foot Containerized Data Center?

A containerized data center is a complete or substantially complete data center facility installed inside a standardized shipping container. The container provides the structural enclosure, while the internal infrastructure delivers computing support functions such as power protection, cooling, monitoring, fire suppression, and physical equipment accommodation.

The CDC-20 uses a standard 20-foot high-cube ISO container with external dimensions of approximately 6,058 millimeters in length, 2,438 millimeters in width, and 2,896 millimeters in height. These dimensions are based on internationally recognized container formats, making the unit easier to transport by road, rail, sea, or combined multimodal freight compared with a custom-built enclosure that may require specialized logistics planning.

Inside the container, the system is arranged around nine equipment positions. These include one power distribution cabinet, one UPS cabinet, one battery cabinet, two in-row precision air conditioners, and four IT cabinets. The layout creates a compact infrastructure platform in which the major support systems are coordinated from the beginning of the engineering process.

The product is intended to function as a complete deployment package rather than merely an empty container fitted with racks. Its design integrates electrical distribution, backup power, cooling, physical security, fire protection, environmental monitoring, and IT equipment accommodation. Depending on the project configuration, additional options such as video surveillance and customized monitoring interfaces can be incorporated.

The term “20-inch containerized data center” may appear in some product references, but the product configuration and dimensions identify the CDC-20 as a 20-foot containerized data center. This distinction is important for logistics, equipment planning, and technical communication. The standard 20-foot high-cube format provides the structural and transport characteristics required for the intended applications.

Core Product Configuration

The CDC-20 is engineered as a compact but capable data center platform. Its rated total power is up to 30 kW, based on an estimated maximum IT load of 7.5 kW per cabinet across four IT cabinets. This capacity is suitable for edge computing nodes, network aggregation locations, remote enterprise systems, telecommunications applications, transport infrastructure, and other installations that require more than a simple server room but do not justify a full-scale building.

The system uses a 380 V, 50 Hz or 60 Hz, three-phase, five-wire power architecture. The input voltage range is 380 V plus or minus 10 percent. Dual power supply inputs and a dual-circuit 200 A input arrangement support improved power continuity and allow the system to be connected to appropriately designed redundant electrical sources.

The UPS system has a capacity of up to 40 kVA and uses a 1+1 power module redundancy arrangement. The battery system is based on lead-acid batteries and provides a standard backup time of approximately 15 minutes. Actual autonomy depends on the connected load, battery condition, ambient conditions, and project configuration, so the final backup duration should be confirmed during technical design.

Cooling is provided by two in-row precision air conditioners arranged in a 1+1 redundancy configuration. The stated cooling capacity is up to 30 kW per unit, subject to the final environmental design and operating conditions. In-row cooling places the cooling source close to the IT cabinets, helping shorten airflow paths and supporting more direct heat removal than a remote room-level system.

The product supports an automatic gas fire suppression system. Video surveillance is available as an optional feature. Other monitoring functions may be configured according to the requirements of the site, including temperature, humidity, water leakage, smoke detection, access status, power quality, and equipment alarms.

Item	CDC-20 Specification	Operational Significance
Container format	Standard 20-foot high-cube ISO container	Supports standardized transport, lifting, and deployment planning
External dimensions	6,058 mm × 2,438 mm × 2,896 mm	Provides a compact and transportable infrastructure footprint
Total equipment positions	9 positions	Integrates power, UPS, batteries, cooling, and IT cabinets
IT cabinet quantity	4 cabinets	Supports distributed computing and network equipment
IT cabinet size	2,000 mm × 600 mm × 1,100 mm or 1,200 mm	Accommodates a range of server and communications equipment
Total power	Up to 30 kW	Suitable for compact edge and remote data center applications
Power system	380 V, 50 Hz or 60 Hz, three-phase, five-wire	Supports industrial and commercial electrical environments
Input voltage tolerance	380 V ±10%	Provides an established design range for incoming supply
Input arrangement	Dual circuit, 200 A	Enables connection to dual power feeds when available
UPS capacity	Up to 40 kVA with 1+1 power module redundancy	Protects critical loads from interruptions and power disturbances
Battery type	Lead-acid	Provides a proven backup technology for short-duration autonomy
Standard backup time	Approximately 15 minutes	Allows controlled shutdown, generator transfer, or short outage coverage
Cooling	Two in-row precision air conditioners with 1+1 redundancy	Supports thermal management and cooling availability
Fire protection	Automatic gas fire system supported	Provides a suitable suppression approach for enclosed IT spaces
Video surveillance	Optional	Enhances physical security and remote site oversight

Why Factory Integration Matters

The main value of a containerized data center is not simply the use of a shipping container. The greater advantage comes from integrating the complete infrastructure package before delivery. In a conventional project, the customer may need to coordinate a building contractor, electrical contractor, HVAC specialist, rack supplier, fire protection company, monitoring integrator, and information technology team. Each party may have separate delivery schedules, installation tolerances, testing procedures, and responsibilities.

Factory integration brings these activities into a coordinated manufacturing process. The internal arrangement is designed as a complete system, including rack positions, service clearances, power routes, cooling paths, cable trays, monitoring points, access zones, and fire suppression coverage. This reduces the risk that individual components will fit separately but fail to operate effectively together.

Factory production also allows repeatable assembly procedures. Technicians can install cable trays, busways, distribution equipment, UPS components, sensors, cooling units, and fire protection systems under controlled conditions. Work can be performed using dedicated tools, documented wiring methods, inspection checklists, and defined quality control stages rather than under time pressure at a remote project location.

Pre-commissioning is another important benefit. Electrical connections, alarm circuits, monitoring points, cooling operation, UPS transfer functions, and communication interfaces can be checked before shipment. The customer therefore receives a system that has already undergone a substantial portion of its technical verification. Site work is focused primarily on placement, utility connection, network connection, final configuration, and acceptance testing.

This process can be particularly valuable in areas where skilled technicians are difficult to mobilize. A project in a remote industrial location may face limited access to electricians, refrigeration specialists, fire system engineers, or data center commissioning personnel. By transferring much of the integration work to the factory, the CDC-20 reduces dependence on local construction capability.

Advantages Compared with Traditional Data Center Construction

Shorter Deployment Time

Traditional data center construction often begins with site preparation, foundation work, structural construction, electrical installation, mechanical installation, fire protection, security systems, and separate equipment commissioning. Even a small facility can require weeks or months before it is ready for IT equipment.

The CDC-20 compresses many of these stages into factory production. Once the container is manufactured and equipped, it can be transported to the site and positioned on a suitable level surface. The remaining activities generally involve electrical and communications connections, external grounding, utility verification, and final operational configuration. This can significantly reduce the interval between procurement and service activation.

Shorter deployment is valuable when a network operator needs to expand edge capacity quickly, when a construction project requires a temporary IT hub, or when an emergency organization must restore digital services after a facility has been damaged. The time advantage is not merely a matter of convenience; it can affect business continuity, public services, industrial output, and communications availability.

Reduced Civil Construction Requirements

A permanent data center normally requires a building or dedicated room with a suitable floor, roof, walls, cable routes, air conditioning, fire protection, drainage, and security provisions. The CDC-20 provides the main structural enclosure as part of the product. Site preparation is therefore reduced to a level and stable placement area, equipment access, external utility connections, and any project-specific civil requirements.

The exact foundation and anchoring requirements must be assessed according to local regulations, soil conditions, wind exposure, seismic requirements, container loading, and installation location. However, the overall civil scope is generally more limited than that of constructing a new data center building. This is a significant advantage at sites where land development is difficult or where the customer does not want to make a permanent building investment.

Improved Coordination between Subsystems

In a traditional build, cooling capacity may be selected independently from rack density, while power distribution may be designed before the final IT load is known. Fire suppression, monitoring, and access control may be added later. These disconnected decisions can create operational compromises and increase the risk of redesign.

CDC-20 is designed around a defined equipment arrangement and integrated load model. The four IT cabinets, UPS capacity, dual power input, in-row cooling, battery storage, fire system, and monitoring architecture are considered together. This enables more consistent evaluation of electrical loading, heat generation, airflow, service access, and alarm behavior.

Relocation and Redeployment

A permanent building improvement is difficult to move when a project ends or a site changes. A containerized data center can be disconnected, lifted, transported, and redeployed, subject to the appropriate engineering and logistics procedures. This characteristic is valuable for temporary infrastructure, mining and industrial projects, public events, emergency operations, military support applications, and phased network expansion.

Relocation is not simply a matter of treating the container as ordinary cargo. The customer must follow appropriate procedures for battery isolation, equipment securing, refrigerant systems, fire suppression cylinders, lifting points, vibration protection, and reconnection testing. Nevertheless, the possibility of moving the complete asset provides a degree of capital flexibility that traditional construction rarely offers.

More Predictable Project Costs

Construction projects are vulnerable to site changes, labor shortages, weather delays, material price fluctuations, coordination errors, and unexpected civil works. A factory-built product allows a greater proportion of the project scope to be defined before delivery. The customer can review a standardized technical configuration, identify options, and establish a clearer relationship between capacity and price.

Transport, site preparation, external power infrastructure, communications links, local permits, taxes, commissioning, and maintenance should still be evaluated separately. However, the integrated product approach can reduce the number of separate procurement packages and lower the administrative burden associated with coordinating multiple suppliers.

Advantages Compared with Less-Integrated Modular Solutions

Modular data centers and containerized data centers are related but not identical concepts. A modular data center may consist of prefabricated power, cooling, and IT modules installed inside a permanent building or assembled on a prepared foundation. A containerized data center uses the ISO container itself as the structural envelope and transport platform.

Both approaches can provide faster deployment than conventional construction, but the degree of factory integration differs from one product to another. Some modular solutions are delivered as separate blocks and require substantial installation and interconnection at the destination. CDC-20 is designed to arrive as a coordinated unit with its major infrastructure systems already installed.

The ISO container format also offers standard logistics advantages. Container dimensions, corner castings, lifting procedures, and intermodal transport practices are widely understood by freight operators. This can simplify route planning and reduce uncertainty when the system must move between regions or countries.

The container structure provides a durable enclosure that can be adapted for weather protection, access control, thermal insulation, cable penetration management, and equipment security. A purpose-built modular enclosure can provide similar performance, but it may require a separate design process and more project-specific fabrication. The CDC-20 starts with a proven structural format and concentrates engineering effort on internal integration and environmental performance.

Another differentiating factor is the relationship between product design and repeatable manufacturing. When the same platform is produced for multiple customers, the manufacturer can improve assembly methods, develop quality records, refine internal layouts, and standardize testing. Customization remains possible, but it is performed around a stable engineering base instead of starting from an entirely new building design for each project.

Internal Layout and Space Utilization

A 20-foot high-cube container offers a limited internal volume. Efficient space utilization is therefore essential. The system must accommodate equipment, maintain service clearances, manage airflow, provide safe electrical separation, route cables, and allow technicians to work inside the enclosure. A poorly planned layout can reduce the practical value of a compact data center even if the equipment list appears complete.

The CDC-20 layout includes four IT cabinets together with the power distribution cabinet, UPS cabinet, battery cabinet, and two in-row precision cooling units. The arrangement is intended to preserve a logical division between IT equipment and support infrastructure while keeping the overall footprint within the container envelope.

Power equipment is normally placed in a dedicated area so that incoming electrical cables, distribution assemblies, UPS modules, and batteries can be serviced without unnecessarily disturbing the IT cabinets. High-voltage zones should be clearly identified, protected, and separated from areas where technicians perform routine server and network equipment maintenance.

In-row cooling places the cooling equipment near the heat-producing cabinets. This arrangement can help create a more direct airflow path and reduce the distance between supply air and the equipment intake. The final airflow design should account for cabinet load distribution, blanking panels, cable openings, rack density, and the operating characteristics of the installed servers and network devices.

Overhead cable management helps preserve floor-level pathways. Power and data cables can be routed through separate or appropriately segregated trays, reducing the risk of congestion and making future additions easier. Cable routes should be labeled, supported, protected against sharp edges, and designed with adequate bend radius for fiber optic and copper communications cables.

Battery placement requires particular attention to access, ventilation requirements, weight distribution, maintenance safety, and transport restraints. Lead-acid batteries are a mature and widely used technology, but they still require correct charging, temperature management, inspection, and end-of-life replacement procedures.

Serviceability within a Compact Footprint

Compactness should not eliminate maintainability. Technicians must be able to inspect breakers, replace filters, access UPS modules, test batteries, service cooling equipment, review monitoring devices, and work on IT cabinets without excessive disassembly. The product design should therefore balance cabinet density with safe working clearances.

Factory assembly provides an opportunity to test service access before shipment. Technicians can verify that doors open correctly, removable panels can be handled, cable paths are accessible, and equipment can be replaced through the planned entry route. This is more reliable than discovering access problems after the container has been delivered to a remote location.

Power Architecture and Availability

Reliable power is the foundation of any data center. The CDC-20 uses a three-phase, five-wire 380 V power system at 50 Hz or 60 Hz, depending on the project requirement. The stated input voltage range is 380 V plus or minus 10 percent, but the final electrical design must be confirmed against the local utility supply and applicable standards.

Dual power supply feeds allow the system to be connected to two independent or separately protected incoming circuits where the site can provide them. Dual inputs do not automatically create complete electrical independence; the actual resilience depends on the upstream utility, switchgear, generators, transformers, cables, and distribution paths. Even so, a dual-feed arrangement provides a stronger foundation for availability than a single incoming circuit.

The power distribution cabinet controls the delivery of electricity to the IT cabinets, cooling equipment, UPS system, monitoring equipment, fire protection controls, and other loads. Clear circuit identification and organized distribution make it easier to perform maintenance, isolate faults, and understand the relationship between the main input and downstream equipment.

The UPS system is rated up to 40 kVA and uses 1+1 power module redundancy. In a redundant arrangement, the system can be designed so that the required load is supported while an additional module remains available to assist in the event of a module fault or during maintenance. Actual redundancy depends on the load profile, UPS topology, bypass design, battery configuration, and operating mode.

The 15-minute backup time is designed for short-duration power interruption coverage. It may allow the system to ride through brief disturbances, transfer to a generator, or perform a controlled shutdown. Customers requiring longer autonomy should specify the desired load and duration during the design stage so that the battery bank and supporting systems can be appropriately configured.

Power quality monitoring can provide useful information about voltage variation, frequency, current imbalance, harmonic distortion, breaker status, and energy consumption. Such data helps operations teams identify conditions that may affect sensitive IT equipment and supports preventive maintenance and capacity planning.

Cooling and Thermal Management

Every watt consumed by IT equipment ultimately becomes heat that must be removed. At a total IT load of up to 30 kW, thermal management is a central design requirement rather than an optional convenience. The CDC-20 uses two in-row precision air conditioners in a 1+1 redundancy arrangement, with a stated maximum cooling capacity of 30 kW per unit.

In-row cooling is particularly suitable for compact data center environments because it places cooling close to the source of heat. The system can be arranged to support controlled supply and return airflow around the IT cabinets, helping limit the mixing of hot and cold air. Correct cabinet loading, airflow direction, blanking panels, and cable opening management remain important to achieving the designed performance.

A redundant cooling arrangement improves operational continuity. If one unit is unavailable, the second unit may continue supporting the load, although the allowable operating conditions and redundancy target should be confirmed for the specific installation. Redundancy also supports maintenance because one cooling unit may be serviced while the other remains in operation under an appropriate load condition.

Thermal validation should be performed before shipment and during site commissioning. Factory testing may include checking cooling operation, controller alarms, fan performance, temperature response, condensate handling, communication signals, and the relationship between cooling output and simulated IT load. Site testing should verify external ambient conditions, utility connections, drainage, airflow, and the actual behavior of installed equipment.

The sealed container environment makes monitoring especially important. Unlike an open equipment room, it has limited internal air volume and little tolerance for unplanned temperature changes. Temperature and humidity sensors should be distributed to reflect rack intake conditions, return air conditions, and areas near potential hot spots. Alarm thresholds should be configured to provide sufficient time for corrective action.

Environmental Monitoring and Remote Operations

Many containerized data centers are installed at locations without permanent technical staff. Remote monitoring is therefore a core operational requirement. A comprehensive monitoring system can provide visibility into temperature, humidity, water leakage, smoke, access status, power quality, UPS condition, battery condition, cooling status, and fire protection alarms.

Temperature sensors should be positioned at meaningful measurement points rather than concentrated in a single convenient location. Rack inlet temperatures are particularly important because they reflect the conditions experienced by servers and network devices. Humidity monitoring helps identify condensation risks and abnormal environmental conditions.

Water leak detection should be installed near condensate drains, cooling units, floor penetrations, cable entries, and other areas where water could enter or accumulate. A small leak inside a sealed enclosure can become a serious problem if it is not identified quickly. Early detection allows remote operators to investigate, isolate equipment, or dispatch maintenance personnel before water reaches electrical or IT components.

Door contacts, access sensors, and optional video surveillance can improve physical security. These functions are valuable at remote sites, roadside communications locations, industrial compounds, railway facilities, and temporary deployment areas. Security alarms can be integrated with a centralized network operations center or building management platform when the communications infrastructure supports it.

Monitoring data also supports predictive maintenance. A gradual increase in cooling runtime may indicate filter blockage, declining refrigeration performance, or a change in IT load. Rising battery temperature, increased recharge time, or abnormal UPS behavior may indicate battery aging. Trends in power draw can reveal capacity growth, imbalance, or equipment inefficiency.

The monitoring system should be treated as a designed infrastructure layer. Sensor addresses, alarm priorities, communication protocols, data retention, remote access controls, cybersecurity measures, and escalation procedures should be defined during engineering rather than added at the end of commissioning.

Fire Protection in an Enclosed IT Environment

Fire protection is essential in any data center, and the requirements become especially important in a compact enclosed structure. The CDC-20 supports an automatic gas fire suppression system designed for use with sensitive electrical and electronic equipment. Gas suppression can control a fire without introducing water into the IT and power areas, provided that the system is correctly selected, installed, commissioned, and maintained.

A complete fire protection design normally includes smoke detection, alarm signaling, agent storage, distribution piping, discharge nozzles, emergency stop controls, warning indicators, door and ventilation interlocks where required, and procedures for safe personnel evacuation. The enclosed volume must be calculated accurately so that the suppression agent can achieve the required concentration.

Container penetrations, doors, cable entries, cooling openings, and ventilation paths affect enclosure integrity. If the container cannot retain the suppression concentration for the specified period, the fire system may not perform as intended. Sealing details and pressure relief arrangements should therefore be considered during manufacturing and validated during commissioning.

Fire suppression does not replace good electrical design, equipment housekeeping, thermal monitoring, or operating procedures. Correct cable sizing, circuit protection, equipment spacing, battery maintenance, and removal of combustible waste remain important parts of the overall safety strategy.

The final gas agent, detection method, discharge sequence, and compliance requirements should be selected according to local fire codes, occupational safety requirements, environmental regulations, and the characteristics of the deployment site.

Manufacturing Process and Quality Control

The performance of a containerized data center depends heavily on the quality of its manufacturing process. A container may appear simple from the outside, but the internal installation involves many systems that must operate together. The manufacturer must control mechanical fabrication, electrical assembly, cooling installation, monitoring integration, fire protection, insulation, sealing, transportation preparation, and documentation.

Engineering Review and Configuration Definition

Manufacturing begins with a technical review of the customer’s requirements. The project team should confirm the IT load, cabinet dimensions, input voltage, frequency, redundancy expectations, backup time, cooling conditions, communications interfaces, fire protection requirements, environmental conditions, transport route, and local regulatory obligations.

A configuration drawing can then define the container arrangement, equipment positions, maintenance clearances, cable routes, access doors, lifting considerations, cooling airflow, battery location, and external connection points. This stage is important because changes made before production are generally easier and less expensive than changes made after equipment installation.

Container Inspection and Structural Preparation

The ISO container is inspected for dimensional accuracy, structural condition, corrosion, door operation, floor integrity, roof condition, and suitability for modification. Openings for cables, cooling equipment, monitoring devices, fire system components, and external connections must be planned carefully so that structural strength and weather resistance are maintained.

Internal surfaces can be treated with insulation, protective coatings, fire-resistant materials, and finished wall or ceiling panels according to the project specification. The floor must be evaluated for equipment weight, battery loading, rolling loads, vibration, and maintenance activity. External lifting and transport features must remain accessible and compatible with the planned logistics method.

Cabinet and Electrical Assembly

Power distribution cabinets, UPS cabinets, battery cabinets, and IT cabinets are installed according to the approved layout. Electrical conductors are selected and routed according to current capacity, voltage rating, temperature, short-circuit conditions, separation requirements, and applicable standards.

Factory technicians can apply consistent labeling to breakers, cables, terminals, cabinets, sensors, and communication ports. Connections are inspected and tested for torque, continuity, insulation resistance, polarity, grounding, and functional behavior. A controlled factory environment also reduces exposure to dust, rain, unplanned access, and inconsistent workmanship.

Cooling Installation and Testing

The in-row precision air conditioners are positioned to support the intended airflow pattern and cabinet arrangement. Refrigeration, condensate drainage, power, control wiring, and alarm communication are installed as part of the integrated system. The cooling equipment is tested for startup, shutdown, setpoint control, alarms, fan operation, condensate handling, and communication with the monitoring platform.

Thermal testing can use simulated loads to confirm that the cooling system responds to heat generation across the planned operating range. The manufacturer can identify airflow restrictions, temperature differences, or access problems before the container reaches the customer site.

Monitoring, Fire Protection, and Systems Integration

Monitoring sensors and control devices are installed at defined positions and assigned to the central monitoring system. The integration team checks sensor readings, alarm thresholds, communication loss behavior, event records, and remote access functionality.

Fire detection and gas suppression components are installed with attention to enclosure volume, nozzle coverage, pipe routing, pressure relief, emergency controls, and safety signage. Testing should confirm alarm sequence and interface behavior without accidentally releasing the suppression agent during routine commissioning.

Factory Acceptance Testing

Factory acceptance testing provides a structured opportunity to verify the finished product. Test procedures may cover incoming power simulation, dual-feed behavior, UPS transfer, battery charging, distribution circuits, cooling redundancy, temperature alarms, humidity alarms, leak detection, access alarms, fire system signals, monitoring communication, emergency shutdown, and equipment identification.

Test records create a baseline for future maintenance. The customer can receive drawings, equipment schedules, wiring diagrams, alarm lists, inspection records, operating manuals, and recommended maintenance intervals. This documentation is especially valuable when the unit is operated remotely or transferred between service teams.

Wanma Technology’s Manufacturing and Industry Strengths

Wanma Technology Co., Ltd. was established in 1997 and specializes in communication cabinets, communication electronic equipment, and passive optical components. Its products are used in Ethernet networks, optical communication networks, central equipment rooms, national high-speed railways, and urban rail transit systems.

This industry background supports the development of compact data center products in several ways. Communication and railway infrastructure often require disciplined cabinet design, reliable cable management, environmental protection, equipment identification, and stable long-term operation. These are also essential characteristics of a containerized data center.

Experience in high-speed railway and urban rail transit environments is particularly relevant to deployments where vibration, remote supervision, limited maintenance access, strict availability expectations, and constrained installation windows may be important. Infrastructure for these environments must be designed around operational continuity rather than only laboratory performance.

The company develops, manufactures, and markets its own branded products while also providing integrated solutions for customized products. This combination gives customers access to a defined product platform and the possibility of adapting cabinet arrangements, power configurations, monitoring functions, communications interfaces, cooling options, and security features for specific projects.

Wanma Technology’s sales network covers more than 20 countries and regions, including the United States, Australia, the United Kingdom, Italy, South Africa, and Ghana. International project experience can assist with export packaging, technical communication, customer documentation, and coordination with regional requirements. Each project must still be reviewed for local electrical, structural, fire, transport, and environmental compliance.

The company emphasizes reliable product quality, timely delivery, and long-term strategic partnerships. These priorities are important in containerized infrastructure because delivery timing and after-sales support can directly affect a customer’s deployment schedule. A technically suitable product that arrives late or lacks documentation can create operational costs that outweigh its initial advantages.

Wanma Technology’s broader mission is to power global networks, support employees, satisfy customers, and create value for society. Within the CDC-20 product, this mission is reflected in an approach that combines communications infrastructure experience with integrated data center engineering.

Applications for Edge Computing

Edge computing places processing and storage capacity near the source of data or the end user. This reduces latency, limits the amount of data that must travel to a centralized facility, and can improve resilience when wide-area connectivity is limited. The CDC-20 provides a compact platform for edge nodes that require controlled power, cooling, security, and environmental conditions.

Telecommunications operators may use a containerized data center to support regional network aggregation, mobile network functions, 5G service components, content caching, enterprise connectivity, or local analytics. Industrial operators may deploy the system near production facilities, substations, logistics centers, ports, mines, or energy installations.

Railway and urban transit operators can use compact data center infrastructure to support station systems, signaling-related support applications, video management, passenger information, communications equipment, and operational data processing. The final application must respect the separation and safety requirements applicable to railway control and signaling environments, but the containerized platform can provide a practical infrastructure enclosure for approved systems.

Local processing can reduce dependence on distant central facilities. For example, video streams may be analyzed at the edge instead of being transmitted continuously to a remote data center. Industrial sensor data can be processed near machinery, allowing faster responses to abnormal conditions. Retail, healthcare, education, and public-sector sites can also benefit from small, independently managed computing nodes.

Remote Industrial and Infrastructure Sites

Remote sites frequently face challenges involving transport, labor, power quality, weather, security, and maintenance access. Constructing a conventional data room may be impractical when materials must travel long distances or when the project schedule is controlled by a larger industrial development.

The CDC-20 can be assembled and tested at the factory, shipped to the site, placed on a prepared surface, and connected to external services. This model reduces the amount of specialist work required in the field. Remote monitoring further limits the need for routine physical inspection, while alarm systems help direct maintenance teams when intervention is necessary.

Before deployment, the customer should evaluate ambient temperature, solar exposure, wind, dust, humidity, precipitation, altitude, seismic conditions, flood risk, and local wildlife. External shelters, sunshades, raised platforms, additional insulation, dust filtration, or climate-specific cooling adaptations may be required depending on the location.

Emergency Response and Disaster Recovery

Emergency response teams need infrastructure that can be activated quickly after a facility outage, natural disaster, cyber incident, or major equipment failure. A preconfigured containerized data center can be stored in a ready state and transported when required.

The CDC-20 can support temporary communications, emergency operations, data processing, network restoration, public service continuity, and backup IT functions. Its integrated power protection and cooling systems reduce the need to assemble a temporary equipment room from unrelated components.

For disaster recovery, the container can operate as a secondary site for selected applications. Organizations may use it to host backup servers, network equipment, storage, management systems, or recovery infrastructure. The appropriate recovery time objective and recovery point objective must be defined before deployment, since a 30 kW compact facility may not replace a large production data center but can provide targeted continuity for essential services.

Emergency deployment planning should include transport arrangements, fuel or generator support, network connectivity, access control, spare parts, battery maintenance, fire system inspection, and trained response personnel. A containerized unit is most effective when it is incorporated into a complete continuity plan rather than treated as an isolated piece of equipment.

Temporary Projects and Relocatable IT Capacity

Construction projects, temporary campuses, public events, exploration programs, field research operations, and short-term industrial facilities may need significant computing capacity for a limited period. Building a permanent data center for a fixed-term requirement can result in poor capital efficiency.

The CDC-20 can provide a temporary IT hub with a defined capacity and standardized support infrastructure. At the end of the project, the unit may be disconnected and redeployed, subject to inspection and transport procedures. This makes the infrastructure more adaptable than permanent building improvements.

Relocatable infrastructure also supports phased expansion. An organization can deploy one container at an initial site, add another when demand increases, or move the unit closer to a new operational area. Multiple units must be planned carefully for power coordination, network architecture, fire separation, physical access, and centralized monitoring.

Physical Security and Environmental Protection

The container enclosure provides a strong starting point for physical security. Steel walls, lockable doors, controlled access, and optional video surveillance can help protect equipment from unauthorized entry. Customers may add perimeter fencing, access gates, intrusion detection, lighting, and security patrols according to site risk.

Weather protection requires attention to doors, cable penetrations, cooling interfaces, drainage, roof seals, coatings, and external equipment. The internal environment should be protected against rain, dust, insects, condensation, and temperature extremes. The appropriate level of protection depends on the container construction, insulation method, cooling design, and site climate.

Security must also include cybersecurity. Remote monitoring interfaces, UPS communications, cooling controllers, network management systems, and access control devices should use appropriate authentication, segmentation, patching, logging, and access management practices. Physical isolation does not eliminate cyber risk if the container is connected to an operational network.

Installation and Commissioning Process

Successful deployment begins with a site survey. The survey should verify the access route, crane or lifting method, placement area, ground conditions, drainage, electrical supply, grounding, communications connectivity, generator interface, fire safety arrangements, and local permits.

The container should be positioned on a level and adequately engineered surface. The site must provide enough clearance for doors, cooling maintenance, external cable connections, emergency access, and future service activities. The unit should be anchored or secured according to local wind, seismic, and structural requirements.

Electrical installation includes connection of the dual incoming circuits where available, protective grounding, external surge protection, generator interfaces, and any required distribution equipment. The customer and installation contractor must verify compatibility between the site supply and the CDC-20’s electrical parameters.

Cooling commissioning includes checking power, control signals, condensate drainage, external heat rejection conditions, setpoints, alarm communication, and operation under representative IT loads. Fire protection commissioning includes detector tests, alarm sequence verification, emergency controls, signage, and confirmation that the enclosure meets the required retention and safety conditions.

Final acceptance should include a review of drawings, equipment labels, alarm points, maintenance access, spare parts, software credentials, operating procedures, and training. The customer should retain all baseline test records so that future changes can be compared with the original commissioned condition.

Maintenance and Lifecycle Management

Although the CDC-20 is factory-integrated, it still requires a planned maintenance program. Preventive maintenance should cover UPS modules, batteries, distribution equipment, cooling filters, fans, compressors, condensate systems, sensors, fire protection, doors, seals, grounding, and monitoring communications.

Lead-acid batteries require periodic inspection and testing. Battery age, temperature, terminal condition, float voltage, internal resistance, and physical appearance should be monitored according to the battery manufacturer’s recommendations. Battery replacement planning is important because battery failure can reduce the practical value of the UPS system even when the UPS electronics remain operational.

Cooling equipment requires filter cleaning or replacement, inspection of fans and coils, review of refrigerant system performance, condensate drain cleaning, and verification of control alarms. A rise in operating temperature or runtime should be investigated rather than accepted as a normal condition.

Monitoring sensors should be tested periodically to confirm that readings remain accurate and alarms are delivered to the correct operations personnel. Fire detection and gas suppression equipment must be maintained by qualified personnel in accordance with the applicable regulations and equipment instructions.

Lifecycle planning should include spare filters, fans, sensors, control boards, UPS modules, batteries, breakers, communication components, and other parts with predictable replacement intervals. Maintaining a suitable spare parts strategy is especially important when the unit is located far from the manufacturer or a service center.

How CDC-20 Supports Sustainable Infrastructure Planning

Containerized infrastructure can support sustainability by reducing unnecessary construction, enabling reuse, and allowing capacity to be deployed closer to actual demand. A relocatable data center may be reused at multiple sites rather than becoming a permanent building asset that is abandoned when a project ends.

Factory production can also reduce material waste through repeatable cutting, assembly, and installation methods. Standardized components may be easier to repair or replace than highly customized building systems. The environmental benefit depends on the full lifecycle, including transport, energy efficiency, battery replacement, refrigerant management, and eventual recycling.

Cooling efficiency should be evaluated through actual operating data. A compact unit with appropriately sized cooling, effective airflow management, and intelligent controls can avoid unnecessary energy consumption. Customers should assess the expected power usage effectiveness, climate conditions, IT load profile, cooling setpoints, and redundancy operating mode during project planning.

Efficient deployment also reduces the indirect energy and material consumption associated with prolonged construction activity. This does not mean that a containerized data center is automatically more efficient than every permanent facility. Rather, its strongest sustainability advantage may come from right-sizing, reuse, reduced civil work, and the ability to place capacity where it is needed without overbuilding.

Project Customization Options

The standard CDC-20 configuration provides a clear starting point, but data center requirements vary by market, application, climate, and regulatory environment. Customization may include IT cabinet dimensions, power distribution arrangement, UPS capacity, battery autonomy, cooling selection, monitoring protocols, fire suppression configuration, security systems, insulation, external finishes, access doors, cable entry points, and network interfaces.

Customers may also request integration with generators, renewable energy systems, external battery storage, building management systems, centralized network operations centers, or telecom management platforms. The feasibility of each option should be evaluated in relation to container space, heat load, weight distribution, electrical capacity, transport restrictions, and maintenance access.

Customization is most effective when the customer provides detailed information early. Important inputs include expected equipment models, rack power density, future expansion, load growth, availability targets, site climate, maintenance philosophy, communications topology, and local compliance requirements.

Comparison of Deployment Approaches

Factor	Traditional Data Center Building	Separate Modular Equipment	CDC-20 Integrated Containerized Solution
Structural enclosure	Constructed permanently on site	May require a building or prepared enclosure	Provided by a standard ISO container
Factory integration	Usually limited to individual components	Varies by supplier and module type	Major power, cooling, IT, monitoring, and fire systems integrated before delivery
Site construction scope	Generally extensive	Moderate to extensive	Primarily placement, utilities, grounding, and commissioning
Deployment speed	Usually the slowest option	Faster than a building, depending on assembly needs	Designed for rapid deployment after delivery
Relocation potential	Very limited	Possible but may require disassembly	Designed around a transportable container platform
Coordination burden	Multiple construction and specialist contractors	Several module and integration interfaces	Reduced through a unified factory-built system
Typical use	Large permanent facilities	Scalable facilities and dedicated rooms	Edge, remote, temporary, emergency, and compact deployments

Procurement Considerations for Buyers

Buyers should begin by defining the required IT load rather than selecting equipment only by cabinet count. Four cabinets can contain very different loads depending on the application. The customer should identify current power consumption, expected growth, peak load, startup conditions, and the proportion of network, storage, server, and specialized equipment.

Availability requirements should be documented clearly. The CDC-20 includes dual power input, UPS power module redundancy, and redundant cooling in its stated configuration. However, the complete availability result also depends on upstream utility independence, generator capacity, network path diversity, equipment power supplies, maintenance procedures, and the customer’s operational practices.

Climate and site conditions must be considered before finalizing the design. A container in a hot, humid, dusty, high-altitude, coastal, or cold environment may require specific insulation, heating, filtration, corrosion protection, or cooling modifications. The manufacturer should receive accurate environmental data so that the system is not designed only for standard indoor conditions.

Transport planning should begin early. The customer should confirm road restrictions, bridge clearances, port handling, lifting equipment, container weight, route access, customs documentation, and final positioning. Battery and fire suppression components may have specific transport requirements that affect shipping arrangements.

Documentation is another procurement priority. Buyers should request layout drawings, single-line diagrams, load schedules, cooling calculations, monitoring point lists, fire system documentation, inspection records, maintenance manuals, warranty terms, spare parts recommendations, and training materials.

Q&A: Frequently Asked Questions

What is the main purpose of the CDC-20?

The CDC-20 provides a compact, factory-integrated data center for edge computing, remote industrial sites, emergency response, temporary IT deployments, telecommunications infrastructure, transport systems, and small-scale disaster recovery. It combines IT cabinets with power, cooling, monitoring, and fire protection inside a transportable 20-foot high-cube container.

How many IT cabinets does the standard configuration include?

The standard arrangement includes four IT cabinets. The cabinet dimensions are approximately 2,000 millimeters high by 600 millimeters wide, with a depth of either 1,100 or 1,200 millimeters depending on the selected configuration.

What is the maximum total power capacity?

The stated total power is up to 30 kW, calculated at approximately 7.5 kW per IT cabinet across four cabinets. The final usable capacity depends on the selected electrical configuration, actual equipment loads, cooling requirements, local conditions, and desired redundancy margin.

Does the system support redundant power?

Yes. The configuration supports dual power supply feeds and a dual-circuit 200 A input arrangement. The UPS uses power module redundancy in a 1+1 configuration. The degree of practical redundancy depends on how the upstream electrical sources and downstream equipment are designed.

How long can the UPS support the load?

The standard backup time is approximately 15 minutes. Actual autonomy varies according to load, battery condition, operating temperature, battery aging, and configuration. Customers requiring longer backup should specify the target autonomy during the engineering stage.

What type of batteries are used?

The standard battery type is lead-acid. Lead-acid batteries are widely used in backup power systems, but they require inspection, temperature control, testing, and planned replacement.

How is the CDC-20 cooled?

The standard configuration includes two in-row precision air conditioners in a 1+1 redundancy arrangement. The cooling units are positioned near the IT cabinets to support a controlled airflow path and direct heat removal.

Does it include fire protection?

The CDC-20 supports an automatic gas fire suppression system. The final agent, detection devices, enclosure requirements, discharge arrangement, and compliance details should be determined according to local regulations and the project’s fire safety design.

Is video surveillance included?

Video surveillance is listed as an optional feature. It can be included when the customer requires additional physical security or remote site visibility.

Can the containerized data center be installed at a remote site?

Yes. Remote deployment is one of its primary applications. The site must still provide a suitable level placement area, compatible electrical supply, grounding, communications connectivity, access for delivery and maintenance, and environmental protection appropriate to local conditions.

Can the CDC-20 be relocated?

The unit is designed around a transportable ISO container platform and may be relocated after appropriate shutdown, isolation, lifting, transport, and recommissioning procedures. Batteries, fire suppression equipment, cooling systems, and internal equipment must be handled according to their technical and safety requirements.

How does the CDC-20 differ from a conventional modular data center?

A conventional modular data center may use separate prefabricated power, cooling, and IT modules that are assembled on a prepared foundation or inside a building. The CDC-20 uses the ISO container as the structural enclosure and integrates the major systems into a single factory-built unit, reducing site assembly and simplifying relocation.

What information should a customer provide for customization?

The customer should provide the expected IT load, cabinet dimensions, equipment list, power supply characteristics, desired backup time, availability target, site climate, transport route, fire protection requirements, monitoring interfaces, security needs, network topology, and future expansion plan.

Is the CDC-20 suitable for a large enterprise data center?

The CDC-20 is designed for compact deployments with a stated total power of up to 30 kW and four IT cabinets. It may serve as an edge node, backup site, or distributed facility for a larger enterprise, but it is not intended to replace every large-scale data center application.

What maintenance is required?

Maintenance includes inspection and testing of UPS equipment and batteries, cleaning or replacement of cooling filters, examination of cooling and condensate systems, testing of environmental sensors, inspection of electrical connections and grounding, verification of monitoring communications, and scheduled servicing of the fire protection system.

Why is factory acceptance testing important?

Factory acceptance testing verifies that equipment and subsystems operate together before shipment. It can identify wiring errors, alarm problems, cooling issues, access limitations, and communication faults while the unit is still at the manufacturing facility, where corrective work is generally easier than at a remote site.

Conclusion

The 20-foot Containerized Data Center CDC-20 provides a practical combination of compactness, integration, transportability, and operational readiness. Its standard ISO container structure, four IT cabinets, up to 30 kW total power, dual power input, 1+1 UPS power modules, lead-acid battery backup, redundant in-row cooling, environmental monitoring capability, optional video surveillance, and automatic gas fire system support create a complete platform for demanding small and medium-scale deployments.

Its most important advantage is the relationship between these features. Power, cooling, fire protection, monitoring, and IT accommodation are not treated as unrelated purchases. They are engineered and assembled as one system, enabling factory testing, reducing site construction, and simplifying deployment in locations where conventional data center construction is slow or impractical.

Compared with a permanent building, the CDC-20 can reduce civil works and improve deployment speed. Compared with separate modular equipment, it offers a more unified enclosure and factory integration process. Compared with an improvised remote equipment room, it provides more structured power protection, cooling, environmental control, physical protection, and monitoring.

Wanma Technology’s experience in communication equipment, optical networks, Ethernet infrastructure, railway systems, urban rail transit, and customized integrated products strengthens its ability to address the practical requirements of field-deployed infrastructure. Its manufacturing focus, international sales experience, and emphasis on quality, delivery, and long-term partnerships support the product’s role as a dependable infrastructure platform.

For organizations seeking rapid edge expansion, remote computing, temporary capacity, emergency restoration, or small-scale disaster recovery, CDC-20 offers a flexible alternative to conventional construction. The best results will come from early site assessment, accurate load definition, appropriate customization, disciplined commissioning, and a lifecycle maintenance plan that protects the investment over time.

References

1. International Organization for Standardization. ISO freight container dimensional and structural principles.

2. Telecommunications Industry Association. Data center telecommunications infrastructure planning and cabling practices.

3. ASHRAE. Thermal guidelines and environmental considerations for data processing equipment.

4. International Electrotechnical Commission. Uninterruptible power systems and low-voltage electrical installation principles.

5. National Fire Protection Association. Fire protection and gaseous extinguishing system guidance for electronic equipment environments.

6. Uptime Institute. Data center availability, redundancy, and operational resilience concepts.

7. Wanma Technology Co., Ltd. CDC-20 product specifications and integrated containerized data center information.

8. Wanma Technology Co., Ltd. Communication cabinet, optical network, railway transit, and customized infrastructure product information.

Product: 20-inch Containerized Data Center (CDC-20)