Breakout Enclosure with Pre-terminated Bus Bars for Trunk Cable Transition
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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 the need for field-based power and fiber connections.
Innovation Solution
A breakout enclosure with a trapezoidal shell and mounted bus bars allows for the routing of hybrid trunk cables, providing a secure and efficient means to distribute power and fiber connections within the enclosure, eliminating the need for field-based connections by using mixed media connectors and bus bars for electrical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If field-based connections are made inside the enclosure, then power and fiber connections can be established, but installation time increases and connection errors occur
Solution Approach 1:
The patent applies preliminary action by pre-terminating power conductors to bus bars and pre-connecting optical fibers to connectors within the enclosure before deployment. This allows field installers to simply plug in pre-prepared jumper cables rather than making connections in the field, eliminating installation time while ensuring factory-controlled connection quality
Solution Approach 2:
The enclosure acts as an intermediary device that separates the complex connection-making process from the field installation. By providing pre-configured bus bars and connectors inside the enclosure, it mediates between the trunk cable and jumper cables, allowing simple plug-and-play installation while maintaining high connection reliability
2Ease of operation
If field-based connections are made inside the enclosure, then power and fiber connections can be established, but connection errors such as loose power connections and poor fiber cleaning occur
Solution Approach 1:
Power conductors are pre-terminated to bus bars and optical fibers are pre-connected to connectors in a controlled factory environment. This preliminary preparation ensures proper connection quality while making field installation simple - installers only need to plug in pre-configured jumper cables without making any connections
Solution Approach 2:
The enclosure is designed to be self-configuring - the bus bars and connectors are pre-positioned and pre-connected inside the enclosure. The system serves itself by providing pre-prepared connection points that automatically align with jumper cable connectors, eliminating the need for installers to perform complex connection tasks
3Adaptability or versatility
If enclosures are opened for field connections, then cable transitions can be made, but connector damage and safety concerns increase
Solution Approach 1:
All cable transitions are pre-configured in the factory with proper connector attachments. The enclosure arrives pre-assembled with bus bars, connectors, and internal routing ready for operation. This eliminates the need to open the enclosure in the field, preventing connector damage and safety hazards while maintaining full cable transition capability
Solution Approach 2:
The pre-configured enclosure serves as a protective intermediary that shields connectors from field installation hazards. By providing factory-sealed connection points inside the enclosure, it mediates between the external environment and sensitive connectors, preventing damage from improper handling while enabling flexible cable transitions
4Productivity
If multiple runs of RF cable are used to power multiple sectors, then each sector can be powered independently, but device complexity and installation time increase
Solution Approach 1:
The patent merges multiple power and fiber connections into a single hybrid trunk cable that feeds into one enclosure. Inside the enclosure, multiple bus bars and connectors distribute power and signals to multiple sectors. This consolidation reduces installation complexity and time compared to running separate RF cables to each sector, while maintaining independent sector control
Data Source
AI summary
An assembly for breaking out a trunk cable includes: a base having a generally flat surface adapted for mounting to a mounting surface; a shell having a front wall, two side walls extending from opposite sides of the front wall, and two opposed end walls, the side walls of the shell mounted to the base to form a cavity; a plurality of connectors mounted to each of the side walls; a trunk cable routed into the cavity through one of the end walls, the trunk cable comprising a plurality of power conductors; and at least one bus bar mounted to the shell within the cavity, at least one of the power conductors and at least one of the connectors in electrical connection with the bus bar.