Telecommunications Module Dual-Layer Cable Management
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Solution Overview
Problem
Fiber optic telecommunications systems face challenges in modular design, particularly in accommodating future growth, managing cable access for cleaning, and providing adequate bend radius protection for cables, especially in cramped or pre-configured installations.
Innovation Solution
A modular telecommunications assembly featuring a tray with a dual-layered cable management structure, including a removable cover and crimp assemblies to manage signal input and output cables, with a fiber optic component such as a splitter or multiplexer/demultiplexer, and a cable routing system that accommodates thermal expansion and provides bend radius protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixture is pre-configured with maximum capacity transmission cables, then future expansion capability is improved, but access to connectors for cleaning during installation becomes difficult
Solution Approach 1:
The fixture is divided into multiple slots or compartments, each capable of independently accommodating transmission cables. This segmentation allows operators to access specific connectors in individual slots without disturbing other cables, solving the access difficulty while maintaining overall fixture capacity for future expansion.
2Area of stationary object
If modules are mounted in a fixture with limited access sides or cramped locations, then space utilization is improved, but cable management and bend radius protection become difficult
Solution Approach 1:
The fixture design incorporates three-dimensional cable routing paths and vertical stacking arrangements. Cables are routed through multiple levels and dimensions within the compact fixture, allowing adequate bend radius protection and cable management while maintaining efficient space utilization in cramped locations.
3Device complexity
If a modular assembly is designed for easy installation with fewer initial modules, then installation complexity is reduced, but access to pre-installed transmission cable connectors for cleaning is limited
Solution Approach 1:
The connector cleaning function is extracted as a separate, accessible operation. The fixture includes dedicated cleaning access points or removable covers that allow operators to access and clean pre-installed connectors without requiring disassembly of the entire modular assembly, thus maintaining low installation complexity while improving operational accessibility.
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
The solution enables efficient cable management, thermal expansion accommodation, and easy access for cleaning, while ensuring reliable signal processing and future expansion capabilities within the modular telecommunications system.
Implementation Method 1
an excess fiber length formed when an outer jacket of the cables contracts more than the fiber therewithin due to temperature variations is accommodated by the right chamber to allow the excess fiber length to accumulate without bending in a radius smaller than a minimum bend radius
Data Source
AI summary
A telecommunications module defines an interior with separate right and left chambers. An optical component is housed within the left chamber. Signal input and output locations are exposed to the right chamber. The right chamber allows excess fiber to accumulate without bending in a radius smaller than a minimum bend radius. A dual-layered cable management structure is positioned within the right chamber that defines a lower cable-wrapping level and a separate upper cable-wrapping level. The upper cable-wrapping level is defined by a removable cable retainer mounted on a spool defining the lower-cable wrapping level. Cabling carrying the input and output signals are passed between the right and left chambers before and after being processed by the optical component.