Rotating Duplex Fiber Optic Connector Assembly for Polarity Reversal
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Solution Overview
Problem
Data centers face challenges with cable crowding and airflow efficiency due to the fixed polarity of duplex fiber optic connector assemblies, which cannot be easily reversed, leading to increased complexity and costs in maintaining correct polarity configurations.
Innovation Solution
A duplex fiber optic connector assembly design that allows for in-situ polarity reversal by independently rotating fiber optic connectors within a housing, facilitated by a trigger mechanism and boot system, enabling easy reconfiguration without disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a single cable duplex jumper is used to integrate two-cable duplex cable assembly, then cable crowding is reduced and airflow is improved, but the ability to reverse polarity is lost
Solution Approach 1:
The housing is designed to allow rotation of the fiber optic connectors relative to each other, transforming a static fixed-polarity assembly into a dynamic reconfigurable one. The trigger mechanism enables the user to rotate the connectors 180 degrees to reverse polarity configuration, while the boot provides flexible protection during this movement. This dynamic design maintains the space-saving benefits of single-cable duplex jumpers while restoring polarity adaptability.
2Reliability
If duplex connector assemblies are disassembled and reassembled to correct polarity miscues, then polarity configuration is fixed, but time and complexity increase
Solution Approach 1:
The duplex connector assembly is segmented into independently rotatable connector units within the housing. Each connector can be rotated separately using the trigger mechanism, allowing polarity correction without complete disassembly. The boot segments to accommodate the rotation movement. This segmentation enables quick polarity reversal by simply rotating the connectors rather than disassembling and reassembling the entire assembly.
3Ease of manufacture
If standard duplex connector assemblies are used without rotation capability, then manufacturing is simplified, but adaptability to different polarity schemes is reduced
Solution Approach 1:
The housing incorporates asymmetric features including a keyway that allows rotation in one direction but not the other, ensuring controlled polarity reversal. The trigger mechanism is positioned asymmetrically to enable rotation of specific connectors. This asymmetric design maintains manufacturing simplicity while providing the necessary polarity reversal capability through controlled rotational movement.
Data Source
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AI summary
Duplex fiber optic connectors and fiber optic cable assemblies (110) suitable for polarity reversal along with methods of polarity reversal are disclosed. The duplex fiber optic connector assemblies and fiber optic cable assemblies (110) allow rotation of individual fiber optic connectors (10A, 10B) within the housing assembly (30) for polarity reversal. In one embodiment, the duplex fiber optic cable assembly (110) may use a single boot (60) and a single fiber optic cable, thereby reducing the backside footprint of the cable assembly for improved access and/or airflow. In another embodiment, the housing (30) of the duplex assembly (110) has integral detents (45) to limit rotation, and may further include a removable trigger mechanism (20) and/or a rotatable boot (60) to facilitate polarity reversal.