Direct-Attach Cable Visual Indicators for Obscured Port LEDs

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Solution Overview

Problem

Conventional switch devices with direct-attach cables obscure visual indicators, making it difficult to provide visual indications of data transmission, and the trend to remove LEDs eliminates this functionality altogether.

Innovation Solution

A direct-attach cable system with visual indicator devices spaced apart from the connectors, allowing them to receive data transmission information and provide visual indications, even when conventional indicators are obscured by cables or removed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If direct-attach cables are connected to switch device ports, then data transmission functionality is enabled, but visual indicators (LEDs) adjacent to ports become obscured and inaccessible to users

Engineering Contradiction:
Improvevisual indicator accessibilityVSAvoidcable obstruction of LEDs
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The visual indicator device is moved from the traditional position adjacent to the port on the switch device to a new dimension - located on the cable assembly itself. This spatial repositioning allows the indicator to be accessible from a different viewpoint, specifically from the cable side rather than the device face, thereby resolving the obstruction issue while maintaining visual feedback functionality

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The cable assembly serves as an intermediary carrier for the visual indicator device. Instead of the indicator being directly attached to the switch device where it gets blocked, the cable acts as a mediator to position the indicator in an accessible location while still being functionally connected to the data transmission path

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If LEDs are removed from switch devices to simplify design, then device complexity is reduced, but visual indication of data transmission is eliminated

Engineering Contradiction:
Improveswitch device structureVSAvoidvisual transmission status
Core Design Contradiction:
Device complexityVSLoss of information

Solution Approach 1:

The visual indicator function is extracted from the switch device itself and relocated to the cable assembly. This separation allows the switch device to be simplified without LEDs while the indicator functionality is preserved in a different component of the system - the cable with its own integrated visual indicator device

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The cable assembly is enhanced to serve multiple functions: it not only transmits data between devices but also carries the visual indicator function. This multi-functionality allows the cable to replace the traditional LED role, providing both data transmission and visual status indication capabilities

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If cable management techniques are implemented to reduce obscuring, then some LED visibility is improved, but all LEDs cannot be made accessible and cable management adds complexity

Engineering Contradiction:
ImproveLED visibilityVSAvoidcable management system
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

Instead of trying to make the traditional indicators visible by managing cables around them, the approach is inverted - the indicator is placed on the cable itself. This reverses the problem-solving strategy from 'how to see through/around cables' to 'how to place indicators where they naturally remain visible despite cable positioning'

Inventive Principle:
Principle #13The other way round (Inversion)

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

Ensures that visual indications of data transmission are accessible to users despite cable routing and the absence of LEDs on switch devices, enhancing monitoring and management of network connections.

Implementation Method 1

a first visual indicator device that is included on the direct-attach cable adjacent to and spaced apart from the first direct-attach cable connector... provide a visual indication that is based on the first data transmission information

Methodology Applied
Scientific EffectLight Emitting Diode: Light Emitting Diode

Data Source

PatentUS11809347B2Direct-attach cable data transmission visual indicator system
Publication Date: 2023.11.07 DELL PROD LP
  • US11809347B2 patent drawing
  • US11809347B2 patent drawing
  • US11809347B2 patent drawing

AI summary

A direct-attach cable data transmission visual indicator system includes a networking device having a port, and a direct-attach cable that includes a direct-attach cable connector that is located on an end of the direct-attach cable and that couples the direct-attach cable to the port, and a visual indicator device that is included on the direct-attach cable adjacent to and spaced apart from the direct-attach cable connector. The visual indicator device receives, from the networking device via the port and the direct-attach cable connector, data transmission information that is associated with the transmission of data via the port, and provides a visual indication that is based on the first data transmission information.