Movable Cable Guide Arms for Rack Access

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Solution Overview

Problem

Traditional cable management mechanisms for rack-mounted devices are insufficient in accommodating mixed cable types and maintaining access to field replaceable components, as they often require cable removal or reconfiguration, which is undesirable.

Innovation Solution

The implementation of minimal touch cable guides with moveable cable guides and cable bend guide arms that allow for controlled adjustment of cabling without impairing performance, enabling cables to be routed above or beside rack-mounted devices to maintain access to field replaceable units while preserving the minimum bend radius of cables.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If cables are routed according to traditional best practices (separated fiber and copper cables, maintaining bend radius), then cable integrity and signal quality are preserved, but access to field replaceable components is blocked

Engineering Contradiction:
Improvecable integrityVSAvoidaccess to field replaceable components
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The cable guide bracket incorporates movable arms that can be dynamically repositioned between a first position (blocking access to components) and a second position (allowing access). This dynamic adjustment resolves the contradiction by enabling the system to adapt its cable routing configuration based on whether component access or cable management is the priority at any given moment.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If more cables are connected to rack-mounted devices (mixed fiber and copper), then device functionality is enhanced, but cable routing complexity increases

Engineering Contradiction:
Improvedevice functionalityVSAvoidcable routing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The cable guide bracket is segmented into multiple independent arms, each capable of being independently positioned and configured for different cable types. This segmentation allows fiber and copper cables to be routed separately and organized by type, reducing the complexity of managing mixed cable connections while maintaining enhanced device functionality.

Inventive Principle:
Principle #1Segmentation

3Reliability

If cables are routed to accommodate traditional best practices, then cable performance is maintained, but field replaceable components become inaccessible

Engineering Contradiction:
Improvecable performanceVSAvoidcomponent replaceability
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The movable arms of the cable guide bracket enable dynamic reconfiguration of cable paths. When component replacement is needed, the arms can be repositioned to clear access paths while maintaining proper cable routing and bend radius. This dynamic capability ensures both cable performance and component replaceability are maintained throughout the device lifecycle.

Inventive Principle:
Principle #15Dynamics

4Device complexity

If cable management structures are added to maintain cable organization, then cable routing control is improved, but access to components is further restricted

Engineering Contradiction:
Improvecable routing controlVSAvoidcomponent accessibility
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

Rather than using fixed cable management structures that permanently block access, the invention employs movable arms that provide cable routing control only when needed. The arms can be dynamically repositioned to allow component access, thus providing cable organization benefits without permanently restricting component accessibility.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3590267B1Minimal touch bracket for cable routing with rack mounted devices
Publication Date: 2021.09.15 CISCO TECHNOLOGY INC
  • EP3590267B1 patent drawingFigure 1
  • EP3590267B1 patent drawingFigure 2A
  • EP3590267B1 patent drawingFigure 2B

AI summary

The present technology provides minimal touch cable guides for rack-mounted devices. The minimal touch cable guides disclosed herein provide structures for routing cables from field replaceable units installed in a rack mounted device in such a way that cables of different types are not crossed and provides a mechanism for adjusting installed cabling to permit access to otherwise obscured field replaceable units. Such adjustment of cabling is provided in a controlled manner that does not impair the performance the installed cabling.