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Campus Network Computer Room Hot Aisle Dimensions

A typical hot aisle in a campus network computer room should be at least 1. 2 meters wide, with maximum lengths of 16 meters for open access and 6 meters if one end is restricted.

Hot Aisle Width

For optimal airflow and equipment accessibility, the minimum hot aisle width is 1. 2 meters, which allows for two full floor tiles between the fronts of server cabinets. Wider aisles may be required if ceiling heights exceed 3.

7 meters to accommodate lifts for overhead systems such as lighting, fire detection, and suppression equipment.

Hot Aisle Length

Maximum continuous row length: 16 meters when both ends of the aisle are accessible. Restricted or closed-end aisles: Limit length to 6 meters to ensure safe personnel access and evacuation.

Hot Aisle Containment

Hot aisle containment systems improve cooling efficiency by physically separating hot exhaust air from cold supply air. These systems typically include: A false ceiling grid above the aisle to form a plenum for hot air return. Partitions behind server racks to contain hot air and channel it efficiently to the cooling system.

Integrated support for cable trays and utilities, often capable of supporting loads up to 240 kg per meter. Containment systems can be modular, with sliding doors and panels, and are designed for uniform rack rows with aisle widths of 4 to 6 feet (approximately 1. 2–1.

8 meters).

Additional Considerations

Raised floors are commonly used to deliver cold air to the front of racks, complementing hot aisle containment. Ceiling height and overhead access may require additional aisle width for safe operation and maintenance.

Following ASHRA

E guidelines, supply air temperatures should generally remain below 27°C to maintain safe operating conditions for IT equipment. By adhering to these dimensions and containment practices, campus network computer rooms can achieve efficient airflow management, improved cooling performance, and safe personnel access.

Campus Network Computer Room Hot Aisle Dimensions
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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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