Cable Distribution Assembly with Bossed Spacer for Trunk Cable Furcation
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Solution Overview
Problem
Current methods for transitioning hybrid trunk cables to jumper cables in wireless infrastructure require opening enclosures, leading to installation challenges such as time inefficiencies, safety concerns, connection errors, and connector damage due to field-based power and fiber connections.
Innovation Solution
A cable distribution assembly with a housing, furcation tubes, and a cover that includes a crimp ferrule and heat-shrink tube, allowing for the routing and protection of optical fibers from a trunk cable to furcated cables within a sealed enclosure, reducing the need for field-based connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If field-based connections are made inside enclosures, then cable transitions can be performed, but installation time increases and connection errors occur
Solution Approach 1:
The assembly is pre-configured with furcation tubes, spacers, and cable management components before field installation. The trunk cable routes through pre-formed bores and the furcated cables are positioned in advance, eliminating the need for field-based connection work and significantly reducing installation time.
Solution Approach 2:
The assembly acts as an intermediary device that receives the trunk cable and distributes it to multiple furcated cables through pre-configured pathways. This mediator structure eliminates direct field connections by providing a pre-assembled distribution point that simplifies the transition process.
2Ease of manufacture
If field-based connections are made inside enclosures, then cable transitions can be performed, but connection errors such as loose power connections and poor fiber cleaning occur
Solution Approach 1:
The connection-making process is extracted from the field installation environment and performed in a controlled manufacturing setting. This separation removes the source of connection errors by eliminating field conditions that cause loose connections and poor fiber cleaning, while the pre-configured assembly maintains ease of deployment.
Solution Approach 2:
All connections and cable management are performed in advance during assembly manufacturing, ensuring proper connection quality control before the assembly reaches the field. This preliminary preparation eliminates field-based connection errors while maintaining installation simplicity.
3Ease of manufacture
If enclosures are opened for field connections, then cable transitions can be made, but connector damage and safety concerns increase
Solution Approach 1:
The hazardous field connection process is extracted and replaced with a pre-configured assembly that requires no opening or field manipulation of connectors. This removes the harmful factors of connector damage and installer safety risks while preserving the cable transition function.
Solution Approach 2:
The pre-assembled unit serves as a protective intermediary that shields connectors from field handling risks. The assembly's sealed structure and pre-configured pathways prevent connector exposure to environmental hazards and mechanical damage during installation.
4Adaptability or versatility
If multiple runs of RF cable are used, then power and data can be delivered to multiple sectors, but device complexity and installation difficulty increase
Solution Approach 1:
Multiple cable routing functions are merged into a single pre-configured assembly that handles the transition from one trunk cable to multiple furcated cables. This consolidation reduces overall system complexity by integrating what would otherwise require multiple separate cable runs and connection points into one unified device.
Solution Approach 2:
The assembly provides multi-functional cable distribution capability, supporting transitions to multiple furcated cables for different sectors within a single unit. This universal design eliminates the need for multiple specialized connection points while maintaining the ability to serve multiple sectors.
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
This solution streamlines the transition process, enhancing installer safety and reducing the risk of connection errors and connector damage by allowing for sealed and protected routing of optical fibers, thus improving efficiency and reliability.
Implementation Method 1
a cover that covers the spacer and at least partially covers the trunk cable and the first side of the housing, wherein in the cover comprises a ferrule and a heat-shrink tube overlying the ferrule
Data Source
AI summary
A cable distribution assembly includes: a housing having a first side and a second side, wherein a plurality of bores extend through the housing from the first side to the second side; a plurality of furcation tubes inserted into the bores at the second side of the housing; a trunk cable comprising a jacket and a plurality of optical fibers, wherein one or more of the optical fibers are threaded through the bores and into the furcation tubes; a spacer adjacent the first side of the housing and the cable jacket, the spacer creating space in which the optical fibers are routed from the trunk cable to the bores at the first side of the housing; and a cover that covers the spacer and at least partially covers the trunk cable and the first side of the housing.