Fiber Optic Cable Junction Shells with Pivotable Subunit Routing
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Solution Overview
Problem
Current fiber optic cable assembly methods require significant on-site labor and time for connector assembly, which increases installation costs and inefficiencies in data center cabling infrastructure.
Innovation Solution
The development of a fiber optic cable assembly with pivotable junction shells at tap points, allowing subunit cables to be pre-positioned and pre-connectorized at the factory, enabling easy routing and connection at installation sites without on-site assembly, using a tubular body with auxiliary passages for secure and efficient cable management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If factory assembly of fiber optic cable components is performed, then installation time and cost are reduced, but handling and routing complexity increases
Solution Approach 1:
The cable assembly is divided into modular components including a main cable portion with multiple subunit cables, junction shells with auxiliary passages, and connectors. This segmentation allows factory assembly of standardized modules while maintaining ease of on-site routing and connection through the modular architecture.
Solution Approach 2:
Connectors are terminated and cable components are assembled at the factory before shipment. The junction shells are pre-configured with auxiliary passages that receive subunit cables, so that at the installation site, installers only need to unpack, route, and couple pre-assembled components rather than performing assembly operations.
2Adaptability or versatility
If subunit cables are separated at tap points with junction shells, then routing flexibility is improved, but cable management complexity increases
Solution Approach 1:
Junction shells serve as intermediary components at tap points along the cable assembly. These shells provide a standardized interface with auxiliary passages that receive subunit cables, enabling flexible routing decisions at each tap point while centralizing the complexity management within the junction shell structure itself.
Solution Approach 2:
The auxiliary passages in the junction shells provide additional spatial dimensions for cable routing beyond the main cable axis. This allows subunit cables to be directed in multiple orientations (parallel, perpendicular, or at angles) relative to the main cable portion, enabling flexible routing without increasing management complexity.
3Productivity
If connectors are terminated at the factory, then on-site assembly time is reduced, but quality control requirements increase
Solution Approach 1:
Connectors are terminated and pre-assembled at the factory under controlled manufacturing conditions before the cable assembly is shipped. This preliminary action allows for quality control and precision work to be performed in a controlled environment, while the installation site only requires coupling the pre-terminated connectors to equipment.
Solution Approach 2:
The factory-assembled cable components are designed to be self-sufficient at the installation site, requiring minimal additional assembly operations. The pre-terminated connectors and configured junction shells are ready for direct installation, making the system self-serving in reducing on-site labor requirements.
Data Source
AI summary
A fiber optic cable assembly including a main cable portion having a plurality of subunit cables and tap points at which the subunit cables are separated from the main cable portion. A junction shell is positioned at each tap point. The subunit cable is pivotable to two orientations relative to the main cable portion in the junction shell.