Fiber Distribution Hub Swing Frame Modular Splitter
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Solution Overview
Problem
Passive optical networks face challenges in scalability and flexibility due to the limitations of traditional fiber distribution hubs, which lack efficient cable routing configurations and modular components for easy maintenance and expansion.
Innovation Solution
The design of a fiber distribution hub (FDH) with a swing frame and modular splitter modules that allows for flexible cable routing, easy access for maintenance, and incremental scalability, featuring a cabinet with a pivotable swing frame that separates termination and storage regions, enabling efficient management of fibers and supporting various fiber counts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional fiber distribution hubs are used, then network structure is simple, but scalability and flexibility are limited
Solution Approach 1:
The fiber distribution hub is divided into a cabinet portion and a swing frame portion that can be separated. The swing frame can be swung out from the cabinet to provide front access to splitter modules, enabling incremental addition of modules without reconfiguring the entire system. This segmentation allows scalability while maintaining manageable system complexity.
Solution Approach 2:
The swing frame is designed to be movable, swinging between a closed position (stored within the cabinet) and an open position (providing front access). This dynamic structure allows the system to adapt between compact storage and expanded maintenance configurations, enhancing flexibility without permanently increasing structural complexity.
2Ease of operation
If traditional fiber distribution hubs are used, then manufacturing cost is low, but maintenance access is difficult
Solution Approach 1:
The swing frame pivots on hinges to swing outward from the cabinet, transforming from a static enclosed structure to a dynamic accessible configuration. This allows maintenance personnel to access splitter modules from the front when the swing frame is open, eliminating the need to work from the rear of the cabinet while adding minimal structural complexity through the hinge mechanism.
3Productivity
If modular splitter modules are added incrementally, then scalability is improved, but device complexity increases
Solution Approach 1:
The system uses discrete splitter modules that can be independently added to the swing frame. Each module handles a specific number of fibers (e.g., 1-to-8, 1-to-16, 1-to-32 splitters), allowing incremental expansion by simply adding or removing individual modules rather than reconfiguring the entire distribution hub. This modular approach enhances productivity while keeping integration complexity manageable through standardized interfaces.
Data Source
AI summary
A fiber distribution system includes one or more fiber distribution hubs (FDHs) that provide an interface at a termination panel between incoming fibers routed from a central office and outgoing fibers routed to network subscribers. Termination modules can be incrementally added to the termination panel. The FDH can include one or more optical splitter modules that split an optical signal into two or more signals. The optical splitter modules can be incrementally added along with one or more storage modules. The subscriber termination panel, optical splitters, and storage modules can be provided on a swing frame.