Connector Shield Detection for Cable Autonegotiation
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Solution Overview
Problem
Conventional communication systems lack effective methods for detecting and adapting to the characteristics of twisted pair cables, such as shielding presence, length, and quality, which affects data transmission rates and network performance.
Innovation Solution
A connector with integrated shield detection and diagnostic capabilities, utilizing sensing pins and a PHY device to determine cable characteristics, including shielding presence, length, and quality, and communicate these to a host device for autonegotiation of data rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional communication systems are used without cable characteristic detection, then device complexity is reduced, but data transmission reliability and network performance deteriorate due to inability to adapt to cable conditions
Solution Approach 1:
The patent combines the shield detection function directly into the connector structure by integrating sensing pins with the connector housing. This merging of detection and connection functions into a single integrated component enables reliable cable characteristic detection without adding separate complex detection systems, thereby improving transmission reliability while controlling device complexity.
Solution Approach 2:
The connector performs self-detection of cable characteristics through integrated sensing pins that automatically identify shielding presence and other cable properties upon connection. This self-service capability eliminates the need for external detection equipment or complex manual configuration, enabling the system to adapt to cable conditions autonomously and improve reliability without proportionally increasing complexity.
2Productivity
If shield detection and diagnostic capabilities are integrated into the connector, then data communication efficiency is improved through optimized data rates, but device complexity increases due to additional sensing pins and PHY device functions
Solution Approach 1:
The connector is designed with multi-functional sensing pins that can detect multiple cable characteristics including shielding presence, cable length, and quality parameters through a single integrated structure. The PHY device also performs multiple functions including data transmission, cable diagnostics, and autonegotiation. This multi-functionality approach enables optimized data communication efficiency without proportionally increasing complexity, as one component structure serves multiple detection and communication purposes.
3Use of energy by moving object
If cable characteristic detection is implemented, then energy consumption is reduced by eliminating unnecessary circuitry, but measurement precision requirements increase to accurately determine shielding presence and cable quality
Solution Approach 1:
The patent replaces complex electronic measurement systems with simplified electrical sensing mechanisms integrated into the connector. The sensing pins use basic electrical conductivity measurements to detect shielding presence and cable characteristics, substituting more complex measurement systems. This substitution maintains adequate detection precision for energy optimization purposes while significantly reducing the complexity and power requirements of the measurement system.
Data Source
AI summary
A connector comprising one or more circuits and/or processors is operable to determine characteristics of an attached corresponding connector, an attached cable and/or a channel established via the corresponding connector and/or cable. The characteristics are stored in a register on the connector and/or communicated via a pin connection to a host and/or upstream device. Ganged connectors may communicate via a shared pin. Sensing pins in the connector detect presence of a shield on the cable. Cable diagnostics are run on the attached corresponding connector and cable by a PHY device that may be integrated within the connector. The connector may determine characteristics such as cable length, cable grade, presence of shielding, channel characteristics and/or crosstalk on the attached corresponding connector and/or cable. Based on the determined characteristics, a data rate is determined, transmission parameters are auto-negotiated and/or data may be communicated.