RF Connector Cable Management with Orientation Guide
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Solution Overview
Problem
Cable management in Community Access Television (CATV) systems is challenging due to sensitive cable bend radius requirements, potential for cable damage from excessive bending or movement, and difficulties in accessing and orienting connectors behind protective panels, especially with the increasing use of moving parts and complex connections.
Innovation Solution
A connector-cable assembly (CCA) with connector modules that include orientation guides and latches for secure attachment to panels, strain relief to manage cable forces, and bead materials to reduce signal interference, allowing for easy interconnection and management of RF connectors and cables across openable node housings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cables are enclosed in housings with moving parts (openable node housings, access trays), then cable management flexibility and accessibility are improved, but cables are subjected to pinching, bending, twisting, and rotation that can damage the cable and degrade performance
Solution Approach 1:
The cable management system is divided into separate functional components: connector assemblies with individual strain relief mechanisms, cable management trays, and housing sections. This segmentation allows each component to independently manage specific aspects of cable protection and accessibility.
Solution Approach 2:
Strain relief features and cable management structures are pre-configured in the housing and connector assemblies before cable installation. The housing includes pre-formed cable openings with integrated strain relief, and connector assemblies are pre-assembled with strain relief features positioned to automatically engage with incoming cables.
2Reliability
If connectors are installed behind protective panels, then cable connection reliability and protection are improved, but accessibility and ease of orientation for installation and maintenance deteriorate
Solution Approach 1:
Connector assemblies serve as intermediary components that extend through the protective panel. The connector body is mounted on the rear side of the panel while the cable access port extends through the panel front, allowing cables to be connected from the front while the connector remains protected on the rear side.
Solution Approach 2:
The connector assembly utilizes three-dimensional space by extending through the panel in the depth dimension. The connector is positioned in the rear dimension behind the panel, while the cable access interface projects forward through the panel surface, creating accessibility in the forward dimension without compromising rear-side protection.
3Device complexity
If standard RF connectors are used without additional management features, then device simplicity is improved, but cable disconnection and damage from movement and stress increase
Solution Approach 1:
The strain relief feature and connector housing are merged into a single integrated component. The strain relief feature is formed as an integral part of the connector assembly housing, eliminating the need for separate strain relief devices while providing both connection and stress protection functions.
Solution Approach 2:
The connector assembly is designed to perform multiple functions: electrical connection, mechanical strain relief, cable positioning, and stress distribution. The housing structure simultaneously serves as the connector mounting structure, the strain relief mechanism, and the cable management feature.
Data Source
AI summary
In one embodiment a connector-cable assembly includes a first connector assembly at a first end of an RF cable and a second connector assembly at a second end of the cable. The connector assembly may include an RF connector and a connector module having an orientation guide and means for releasably coupling the connector module to a panel to couple the RF connector to a complementary connector positioned behind the panel. The connector module may also include a strain relief.