Fiber Management Tray Depth-Based Cassette Arrangement
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Solution Overview
Problem
Traditional fiber management systems are limited by the standard dimensions of a rack unit (RU) space, which restricts the number of fiber optic connectors available, thereby limiting the capacity for fiber optic connections within a datacenter environment.
Innovation Solution
The proposed fiber management system includes a tray with a set of rails and a slidable tray body, where cassettes with fiber optic connectors are arranged along the depth of the tray, rather than the traditional width, allowing for a greater number of connectors and potentially reducing the number of cabinets needed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If cassettes are arranged along the width of the tray in traditional configuration, then the cabinet structure is simple and easy to access, but the number of fiber optic connectors is limited
Solution Approach 1:
The patent transitions from traditional width-based cassette arrangement to depth-based arrangement along the tray. By utilizing the depth dimension of the tray rather than just the width, the system accommodates significantly more cassettes (up to 36 per tray) while maintaining the same cabinet footprint, thereby resolving the contradiction between connector quantity and structural complexity
Solution Approach 2:
The tray is designed to be slidable along rails, allowing dynamic reconfiguration and access to cassettes arranged in the depth direction. This sliding mechanism enables easy access to previously hard-to-reach cassettes at the far end of the tray while maintaining a compact cabinet structure, addressing both the quantity increase and accessibility requirements
2Quantity of substance
If more cassettes are arranged on the tray to increase connector capacity, then the connection density increases, but the space utilization within standard RU dimensions becomes constrained
Solution Approach 1:
The invention maximizes space utilization by arranging cassettes along the depth of the tray rather than just the width. This dimensional shift allows fitting 36 cassettes in a single tray while maintaining standard RU dimensions, effectively converting unused depth space into productive connector capacity without expanding the cabinet footprint
Solution Approach 2:
Multiple trays can be stacked vertically within the cabinet, with each tray containing multiple cassettes arranged in the depth direction. This nested arrangement of trays and cassettes maximizes the use of three-dimensional space within standard RU dimensions, increasing total connector capacity without proportionally increasing cabinet volume
Data Source
AI summary
A fiber management system includes a tray and a plurality of cassettes. The tray includes a set of rails and a tray body that is slidable along the set of rails. The tray body has a longitudinal portion extending in parallel with the set of rails and a lateral portion extending with an opening that provides access to the tray. Each of the cassettes has a plurality of ports at a first side of the cassette to support fiber optic connectors, and the plurality of cassettes are arranged on the tray with the first sides facing at least a portion of the longitudinal portion.