Integrated Fiber Shuffle Cable Assembly for Low-Loss Data Center Routing
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Solution Overview
Problem
Conventional shuffle box connectivity solutions for leaf-spine networking in datacenters increase cost, optical insertion loss, and failure probability due to dust contamination, while consuming valuable space and being chaotic to manage.
Innovation Solution
A fiber optic cable assembly with an integrated fiber shuffle region between cable assembly sections, allowing seamless transition of optical fibers without splices or interconnects, maintaining sequential order, and using adhesion elements to form rollable fixed arrays for efficient routing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional shuffle box connectivity solutions are used, then fiber routing flexibility is achieved, but cost increases, optical insertion loss increases, and failure probability increases due to dust contamination
Solution Approach 1:
The patent merges the shuffle function directly into the cable assembly by integrating a fiber shuffle region within the cable structure itself, eliminating the need for separate shuffle boxes. This integration removes multiple connection points that were previously susceptible to dust contamination, thereby reducing failure probability while maintaining routing flexibility through the integrated shuffle architecture
Solution Approach 2:
The patent extracts the shuffle function from external shuffle boxes and incorporates it directly into the cable assembly. By taking out the problematic external connection points and integrating the shuffle region within the cable, the design eliminates dust contamination risks at connector interfaces while preserving the necessary fiber routing adaptability
2Adaptability or versatility
If conventional shuffle box connectivity solutions are used, then fiber routing flexibility is achieved, but optical insertion loss increases
Solution Approach 1:
By merging the shuffle function into the cable assembly, the patent eliminates multiple connector interfaces that were present in conventional shuffle box solutions. Each connector interface represents potential optical insertion loss, so removing these intermediate connections through integration directly reduces energy loss while maintaining the fiber routing flexibility needed for leaf-spine network configurations
3Adaptability or versatility
If conventional shuffle box connectivity solutions are used, then fiber routing flexibility is achieved, but dust contamination risk increases
Solution Approach 1:
The integration of the shuffle region within the cable assembly merges previously separate connection points into a protected internal structure. This eliminates multiple exposed connector interfaces that are vulnerable to dust contamination, thereby reducing the harmful effects of dust while preserving the necessary fiber routing flexibility for network configurations
4Adaptability or versatility
If conventional shuffle box connectivity solutions are used, then fiber routing capability is achieved, but space consumption increases
Solution Approach 1:
By merging the shuffle function into the cable assembly, the patent eliminates the need for separate shuffle box equipment and its associated housing, mounting space, and cable management infrastructure. This integration dramatically reduces the space required to achieve the same fiber routing capability, making it ideal for space-constrained datacenter environments
Solution Approach 2:
The patent embeds the shuffle region within the cable assembly structure, nesting the shuffle function inside the cable itself rather than requiring external equipment. This nesting approach consolidates multiple functions into a single compact unit, significantly reducing the overall space consumption while maintaining full fiber routing capability
5Adaptability or versatility
If conventional shuffle box connectivity solutions are used, then fiber routing capability is achieved, but manageability deteriorates due to chaotic organization
Solution Approach 1:
By merging the shuffle function into the cable assembly, the patent creates a unified, pre-organized structure with clearly defined fiber groupings and color-coding. This integration eliminates the chaotic organization typical of external shuffle boxes, making fiber identification and management straightforward while preserving the routing capability needed for leaf-spine networks
Data Source
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AI summary
A fiber optic cable assembly suitable for providing mesh connectivity includes a fiber shuffle region arranged between first and second cable assembly sections that each include multiple tubes each containing a group of optical fibers, with a jacket provided over one or both cable assembly sections. The fiber shuffle region may be compact in width and length, and integrated into a trunk cable. Optical fibers remain in sequential order in groups at ends of the cable assembly sections, where the fibers may be ribbonized and/or connectorized. A fabrication method for such a fiber optic cable assembly is also disclosed.