Adjustable Cable Bracket for OIR Access Without Cable Re-Routing

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Solution Overview

Problem

Modular electronic systems face challenges in effective cable management, particularly during Online Insertion and Removal (OIR) processes, where cables interfere with module access and require re-routing, violating bend radius and mixing optical and electrical cables, which is complicated by stringent service provider guidelines.

Innovation Solution

A cable management bracket system with a fixed and rotatable portion that allows cables to be managed independently, rotating out of the way during module insertion and removal without disturbing adjacent cables, featuring adjustable dimensions and locking mechanisms to align with cable exit positions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If cables are fixed in position during module insertion and removal, then cable routing stability is improved, but module access is blocked and OIR operations are hindered

Engineering Contradiction:

Improvecable routing stabilityVSAvoidmodule access

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The cable management bracket incorporates a rotatable portion that can dynamically change position between a first position for cable management and a second position for module access. This dynamic adjustment allows the system to adapt between maintaining cable routing stability and enabling easy module access during OIR operations, resolving the contradiction between fixed cable stability and operational ease.

Inventive Principle:

Principle #15Dynamics

2Ease of operation

If cables are re-routed during module removal, then cable interference is resolved, but bend radius requirements are violated and cable mixing occurs

Engineering Contradiction:

Improvecable interference resolutionVSAvoidbend radius compliance

Core Design Contradiction:

Ease of operationVSManufacturing precision

Solution Approach 1:

The cable management bracket is divided into a fixed portion and a rotatable portion that can independently move. This segmentation allows the rotatable portion to rotate out of the way during module insertion and removal without disturbing adjacent cables, maintaining proper bend radius and preventing cable mixing while still resolving cable interference issues.

Inventive Principle:

Principle #1Segmentation

3Device complexity

If a fixed cable management structure is used, then structural simplicity is improved, but adaptability to different module configurations is reduced

Engineering Contradiction:

Improvebracket structure simplicityVSAvoidconfiguration flexibility

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The bracket structure combines a simple fixed portion with a rotatable portion that can be adjusted between different positions. This dynamic element provides adaptability to different module configurations and cable routing requirements while maintaining overall structural simplicity and avoiding complex mechanisms.

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS12471234B2Adjustable cable management bracket for modular electronic system

Publication Date: 2025.11.11 CISCO TECHNOLOGY INC

AI summary

In one embodiment, an apparatus includes a module receivable in a modular electronic system, arms extending from a front panel of the module, and a cable support bracket connected to the arms. The cable support bracket is slidably connected to the arms to change a distance between the cable support bracket and the front panel of the module.