Shielded Keystone Jack Toolless Termination and EMI Protection
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current shielded keystone jacks do not provide a toolless design for terminating four twisted-pair cables simultaneously and lack effective prevention of electromagnetic leakage, while also being unable to accommodate both solid 23AWG and stranded 26AWG cables efficiently.
Innovation Solution
A shielded keystone jack structure comprising a front housing, terminal connection unit, wire organizer, cover, and rear housing, with a grounding bracket for secure cable termination and electromagnetic interference protection, allowing for toolless termination of various cable gauges and enhanced electromagnetic immunity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a shielded keystone jack uses traditional termination design, then electromagnetic interference protection is provided, but toolless termination and simultaneous termination of four twisted-pair cables cannot be achieved
Solution Approach 1:
The jack is divided into modular components: a wire organizer module for cable management, a terminal connection module for electrical connections, and a shielding module for EMI protection. Each module operates independently, enabling toolless wire insertion while maintaining electromagnetic interference protection through the separate shielding structure.
Solution Approach 2:
The wire organizer is pre-configured with guiding elements and positioning parts that automatically align wires with piercing terminals during the termination process. This preliminary arrangement of components enables simultaneous termination of four twisted-pair cables without requiring manual positioning or specialized tools.
2Adaptability or versatility
If the jack is designed for solid 23AWG cable, then attenuation is prevented, but stranded 26AWG patch cable cannot be accommodated
Solution Approach 1:
The wire organizer incorporates universal wire-receiving slots with adjustable positioning parts that can accommodate both solid 23AWG cables and stranded 26AWG patch cables. The piercing terminals are designed with sufficient penetration depth and spring pressure to reliably terminate both cable types, ensuring signal transmission quality across different cable configurations.
3Object-affected harmful factors
If shielding structure is added to prevent electromagnetic interference, then EMI immunity is improved, but electromagnetic leakage prevention remains insufficient
Solution Approach 1:
The shielding structure employs a nested configuration where an inner shielding layer surrounds the wire organizer and terminal connection components, which are themselves enclosed within an outer housing. This multi-layer nested shielding approach provides comprehensive EMI immunity while preventing electromagnetic leakage through successive containment layers.
Solution Approach 2:
Different regions of the jack are provided with differentiated shielding characteristics: the wire organizer area receives localized shielding through the grounding bracket and positioning parts, while the terminal connection area benefits from enclosed shielding. This localized quality approach optimizes EMI protection for each functional zone while maintaining overall electromagnetic leakage prevention.
4Ease of operation
If multiple components are integrated into the jack, then cable management and termination are improved, but device complexity increases
Solution Approach 1:
The wire organizer, terminal connection unit, and shielding components are merged into an integrated assembly where the wire organizer serves dual purposes of cable management and wire alignment. The positioning parts simultaneously function as mechanical guides and electrical contact elements, reducing the number of separate components while improving cable termination efficiency.
Data Source
AI summary
Shielded keystone jack structure is for connection of a plurality of wires of a first cable to be terminated to a second cable. The shielded keystone jack structure includes a front housing, terminal connection unit, wire organizer, cover, and rear housing. The front housing includes a front portion having an opening for insertion of the second cable; and an accommodation portion. The terminal connection unit has wire contacts, piercing terminals, a first guiding element, and first positioning parts. The wire organizer having wire-receiving slots for attachment of the wires thereto, as disposed on the terminal connection unit carried by the front housing, is moved towards the piercing terminals along a path at least defined by the first guiding elements and first positioning parts for termination of the wires when the cover is pivoted to a closed position. The rear housing is used for being attached to the front housing.