Multi-level Optical Cassette with Pivotable Tray for Signal Splitting
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Solution Overview
Problem
Current optical fiber network monitoring systems face inefficiencies in splitting optical signals for both communication and monitoring purposes, lacking a comprehensive solution for effective power distribution between input, output, and monitoring lines.
Innovation Solution
An optical cassette and cable assembly that optically couples input lines to output and monitoring lines, with power splitting capabilities, featuring a pivotable tray for cable management, and adapters for single-fiber and multi-fiber connections, allowing flexible routing and monitoring configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If optical coating film is inserted in the main optical path to tap light for monitoring, then monitoring capability is enabled, but signal loss increases
Solution Approach 1:
The optical signal path is segmented into multiple independent paths using optical couplers. The main optical path continues uninterrupted for communication, while separate monitoring paths are created through couplers that split off portions of the signal. This segmentation allows monitoring without requiring insertion into the main path, thus avoiding signal loss.
Solution Approach 2:
Optical couplers serve as intermediary devices between the main optical path and the monitoring system. These couplers selectively couple portions of the optical signal to monitoring lines while allowing the main signal to continue undisturbed. The couplers act as mediators that enable monitoring functionality without directly interfering with the primary communication signal.
2Adaptability or versatility
If optical couplers/splitters are used to separate optical signals for monitoring, then monitoring and signal addition capabilities are achieved, but device complexity increases
Solution Approach 1:
The optical coupler assembly is designed with multi-functionality to perform both signal separation for monitoring and signal addition to the main line. A single integrated assembly handles multiple functions that would traditionally require separate devices, reducing overall system complexity while maintaining versatility.
Solution Approach 2:
Multiple optical coupling functions are merged into a single integrated assembly. The design combines signal separation and signal addition capabilities in one structure, eliminating the need for multiple separate couplers and simplifying installation and maintenance.
3Ease of operation
If cable management is performed at multiple levels within the optical cassette, then routing flexibility and access are improved, but device complexity increases
Solution Approach 1:
Cable management is extended from a single-plane arrangement to a multi-level three-dimensional structure. The first level provides basic cable routing and support, while the second level (accessed via the pivotable tray) provides additional routing options and access points. This dimensional expansion increases flexibility without requiring complex single-plane designs.
Solution Approach 2:
The tray assembly incorporates a pivotable mechanism that dynamically adjusts between closed and open positions. When closed, it protects and organizes cables at the first level; when opened, it provides access to the second level for cable management operations. This dynamic structure adapts to different operational needs without requiring permanent complex configurations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables efficient power splitting of optical signals between input, output, and monitoring lines, enhancing monitoring capabilities and flexibility in optical fiber network management.
Implementation Method 1
The power of the optical signals received at the input line is split between the output line and the monitoring line
Data Source
AI summary
An optical cassette includes a body defining a first termination region defined at the first end of the body; a second termination region defined at the second end of the body; a cable routing region disposed at a first level of the body; an optical splice holding region disposed at a second level of the body; and an optical coupler holding region disposed at the second level of the body. The first level is defined by a base of the body and the second level is defined by a divider tray that pivots relative to the body.