This case study outlines a purpose-built modular data center deployment delivered to a public safety facility in China, featuring 3 Nebula Series units engineered to meet the stringent reliability and availability demands of public safety operations. Public safety infrastructure underpins critical functions including real-time surveillance, emergency command systems, and secure data processing, all of which require uninterrupted, fault-tolerant IT support. This pre-integrated Nebula Series solution consolidates power, cooling, and fire safety into a standardized modular framework, enabling rapid deployment while delivering the resilience required for mission-critical public service operations.
Each Nebula Series unit offers a flexible system capacity ranging from 20 kW to 100 kW per unit, allowing precise right-sizing to match the site’s specific load profile. Across the 3-unit deployment, the solution supports a total of 120 equipment racks with a power density of 3 kW per rack, delivering an aggregate IT capacity of 360 kW. This configuration is calibrated to accommodate the diverse hardware ecosystem of public safety environments, from video storage servers to command and control workstations, while the modular unit structure supports incremental expansion as surveillance coverage and data processing needs grow.
For thermal management, the deployment implements N+1 redundant in-row air conditioning. Positioned directly adjacent to IT racks, this close-coupled cooling architecture targets heat output at its source, eliminating hotspots and maintaining consistent, equipment-safe temperature levels throughout the data hall. The N+1 redundancy design ensures full cooling capacity is maintained even if one cooling unit experiences an outage, preserving stable operating conditions for 24/7 public safety workloads that cannot tolerate thermal disruptions.
On the electrical side, the system is built with a 2N UPS redundancy architecture, establishing fully independent dual power paths to eliminate single points of failure across the entire distribution chain. This high-redundancy design is paired with a VRLA battery backup system that provides 2 hours of autonomy in the event of a utility power loss. The extended backup runtime ensures critical public safety systems remain fully operational during prolonged grid outages, supporting uninterrupted emergency response, situational awareness, and data recording without interruption.
To address the strict physical security requirements of public safety facilities, the solution is equipped with an FM200 fire suppression system paired with intelligent fire detection. Intelligent detection sensors deliver early, accurate identification of potential fire events, while the clean-agent FM200 system suppresses fires rapidly without causing collateral damage to sensitive electronic hardware or stored data, containing risks and minimizing downtime.
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