Passive Fiber Indexing for PON Drop Deployment
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Solution Overview
Problem
Passive optical networks face challenges in efficiently routing and indexing fiber optic lines to subscriber connection points without active electronic devices, requiring innovative solutions for reliable and cost-effective high-bandwidth communication.
Innovation Solution
The implementation of a fiber optic network architecture that uses multiple fiber optic lines routed along a route with multi-fiber optical connectors, where fibers are indexed in specific directions to different drop positions, allowing for progressive dropping of lines to subscriber connection points, and includes a flexible cable assembly with indexed optical fibers and a rapid spool deployment system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If passive optical networks are used to deliver high bandwidth communication capabilities, then network reliability and cost are improved, but the complexity of routing and indexing fiber optic lines increases
Solution Approach 1:
The fiber optic network is divided into multiple segments with drop locations positioned at intervals along the route. Each segment serves specific subscriber connection points, allowing the complex routing problem to be broken down into manageable sections. The fiber optic lines are segmented and indexed at each drop location to connect to specific subscribers without requiring complex centralized control.
Solution Approach 2:
Multi-fiber optical connectors serve as intermediary components that facilitate the indexing and routing of fiber optic lines. These connectors provide standardized interfaces for connecting fiber optic lines to subscriber connection points, simplifying the overall routing complexity through a modular approach where each connector handles a specific segment of the network.
2Adaptability or versatility
If multiple fiber optic lines are routed along a route with multiple drop locations, then service coverage is improved, but the difficulty of managing and indexing fibers increases
Solution Approach 1:
The fiber optic lines are pre-indexed at each drop location before final connection to subscribers. This preliminary indexing action organizes the multiple fiber lines in advance, making them easier to manage and connect to specific subscriber connection points. The indexing is performed in a standardized manner at each drop location, simplifying the overall fiber management process.
Solution Approach 2:
The multi-fiber optical connectors are designed with universal functionality to handle multiple fiber optic lines and subscriber connection points. Each connector can index and connect different fiber lines to various subscribers, providing a standardized solution that works across the entire network regardless of the specific routing configuration.
3Adaptability or versatility
If fiber optic lines are progressively dropped to subscriber connection points, then network flexibility is improved, but the precision required for indexing fibers increases
Solution Approach 1:
The fiber indexing process is segmented into discrete steps at each drop location. Rather than requiring continuous precision throughout the entire route, the indexing is performed in discrete segments at each drop point, where standardized indexing procedures can be applied. This segmentation reduces the precision requirements for any single indexing operation while maintaining overall network flexibility.
Data Source
AI summary
The present disclosure relates to systems and method for deploying a fiber optic network. Distribution devices are used to index fibers within the system to ensure that live fibers are provided at output locations throughout the system. In an example, fibers can be indexed in multiple directions within the system. In an example, fibers can be stored and deployed form storage spools.