MDC Cassette Adapter Panel for High-Density Fiber Management
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Solution Overview
Problem
The increasing demand for fiber optic network capacity requires efficient hardware and equipment for managing and facilitating access to small form factor optical connectors like the Mini Duplex Connector (MDC), which existing solutions do not adequately address in terms of density and accessibility.
Innovation Solution
A rack-mountable fiber optic assembly with an adapter panel and cassettes that provide vertically aligned pairs of spaced openings for independent and removable cassette positions, allowing for increased fiber density and accessibility of MDC connectors, featuring ball bearings for retention and tabs for manipulation, and a cable management system for organizing and securing optical fibers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If standard duplex LC connectors are used, then ease of operation is maintained, but fiber density is limited
Solution Approach 1:
The adapter panel is divided into multiple receiving bays that can independently accommodate different types of adapters (MDC, LC, etc.). Each bay is a separate functional unit that can be accessed and operated independently, allowing high-density MDC connections while maintaining ease of operation through modular organization
Solution Approach 2:
The patent transitions from horizontal connector arrangement to vertical stacking of MDC connectors within each adapter. This vertical dimension allows three MDC connectors to fit in the space of one LC connector, tripling fiber density while maintaining front-accessibility through the vertical orientation
2Quantity of substance
If MDC connectors are implemented, then fiber density increases, but device complexity increases
Solution Approach 1:
The adapter panel is designed with universal receiving bays that can accommodate multiple adapter types (MDC, LC, and other form factors). This multi-functionality allows the system to achieve high MDC density while maintaining flexibility to handle different connector types, reducing overall system complexity through standardized interfaces
Solution Approach 2:
MDC connectors are nested vertically within compact adapters, which are then nested within the adapter panel structure. This nested arrangement maximizes space utilization and fiber density while organizing complexity into hierarchical levels, making the system manageable despite high component density
3Area of stationary object
If compact MDC connectors are used, then space utilization improves, but ease of manufacture decreases
Solution Approach 1:
The system is segmented into pre-manufactured modular components (adapters, cassettes, and panel sections) that can be manufactured independently using standardized processes. This segmentation allows compact MDC connectors to be produced efficiently in separate units, reducing overall assembly complexity while achieving high space utilization when assembled
Solution Approach 2:
The patent utilizes the 1.25mm ceramic ferrule parameter standard from LC connectors and adapts it for MDC connectors with modified pitch dimensions. This parameter-based approach allows manufacturing to leverage existing ceramic ferrule technology and processes, easing manufacture while achieving compact 3.5mm pitch and high space utilization
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
The solution enables a significant increase in fiber density and accessibility, allowing for efficient installation and management of MDC connectors, thereby supporting the high capacity demands of fiber optic networks while maintaining functional density in tight spaces.
Implementation Method 1
the pocket containing a spring outwardly biasing the ball bearing toward a respective lateral side of the housing
Data Source
AI summary
Fiber optic assemblies for receiving, managing and facilitating access to optical fiber connectors are disclosed. The assemblies include an adapter panel slidably mounted in a chassis and defining a plurality of receiving bays each for receiving at least one cassette containing an optical fiber adapter. Each cassette includes retention features for being received within paired openings in the adapter panel to register a position of the cassette relative to the receiving bay and adapter panel. Cassettes are independently and selectively accessible and removable from either the front or back of the adapter panel.