Fiber Distribution Hub Modular Pass-Through Interfaces
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Solution Overview
Problem
Passive optical networks face challenges in efficiently managing and routing high-bandwidth communication signals between central offices and subscriber locations, particularly in maintaining signal strength and flexibility in fiber distribution hubs without active electronic devices.
Innovation Solution
The design of a fiber distribution hub (FDH) with a modular cabinet that houses splitters, pass-through devices, and storage modules, allowing for flexible routing and termination of fibers, and the use of splitter modules and pass-through interfaces to manage signal distribution efficiently, ensuring strong signal transmission to subscribers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If optical splitters are prepackaged in modular housings with connectorized pigtails, then ease of installation and handling is improved, but device complexity increases due to multiple modular components
Solution Approach 1:
The patent combines the optical splitter, its housing, and multiple connectorized pigtails into a single prepackaged modular unit. This merging of components simplifies installation by allowing the entire splitter assembly to be handled and installed as one unit, while the modular design itself manages the complexity through standardized interfaces.
Solution Approach 2:
The fiber distribution hub is divided into modular components including splitter modules, pass-through devices, and storage modules that can be independently installed and configured. This segmentation allows for incremental deployment and simplified maintenance while managing overall system complexity through standardized modular interfaces.
2Quantity of substance
If multiple splitter modules are installed in the hub, then fiber distribution capacity is improved, but device complexity and space requirements increase
Solution Approach 1:
The hub is designed with universal mounting structures and standardized interfaces that allow the same physical space to accommodate different types of modules (splitters, pass-through devices, storage). This multi-functionality enables flexible configuration to meet varying fiber distribution capacities without proportionally increasing structural complexity.
Solution Approach 2:
The modular architecture allows the hub configuration to be dynamically adjusted by adding, removing, or reconfiguring modules based on actual fiber distribution needs. This dynamic adaptability enables the system to scale capacity without permanently committing to a fixed complex structure.
3Reliability
If passive optical networks use no active electronic devices, then network reliability is improved, but adaptability and flexibility in signal management deteriorate
Solution Approach 1:
The passive optical network is segmented into modular functional units (splitters, pass-through devices, storage modules) that provide flexible signal management capabilities without requiring active electronic devices. Each module performs its function passively, maintaining reliability, while the modular architecture enables adaptability through reconfigurable connections.
Solution Approach 2:
Passive components such as optical splitters and connector interfaces act as intermediaries that enable flexible signal distribution and management without requiring active electronics. These intermediary elements provide the necessary adaptability through their physical routing and splitting capabilities while maintaining the passive, reliable network architecture.
Data Source
AI summary
A fiber distribution hub includes a chassis mounted to move relative to a cabinet. A termination field is mounted to the chassis. The chassis includes a first location at which a splitter region and a first pass-through region are positioned; and a second location at which a second pass-through region is positioned. The second location is spaced from the first location. Fibers input into adapters at the first pass-through region can be rerouted to act as splitter inputs at the splitter region.