Network Device Dynamic Pair Adaptation for Broken Cables
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Solution Overview
Problem
Conventional network cables with fewer than four twisted pair cables restrict data transmission rates between network devices supporting higher standards like 1000Base-T and 10GBase-T Ethernet, as these standards require all four pairs for optimal performance, leading to reduced connection capabilities.
Innovation Solution
A method and device that dynamically adjust data transmission rates based on the number of functional twisted pair cables in the network cable by configuring network devices to use available pairs, allowing for connections using four, three, or two pairs, and controlling non-functional pairs to conserve power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If network devices support 1000Base-T or 10GBase-T Ethernet standards requiring all four twisted pair cables, then data transmission rate can reach 1 Gbps or 10 Gbps, but connection cannot be established when one or more twisted pair cables are broken or missing
Solution Approach 1:
The patent implements dynamic connection mode switching that allows network devices to adapt between different connection configurations (four-pair, three-pair, or two-pair mode) based on the actual status of twisted pair cables. The system dynamically detects cable functionality and adjusts the connection mode accordingly, enabling the network to maintain operational status even when some cables are defective, thus resolving the contradiction between high-speed requirements and connection reliability.
Solution Approach 2:
The patent changes the operational parameters of the network connection by allowing flexible selection of connection modes (four-pair, three-pair, or two-pair) instead of requiring a fixed four-pair configuration. This parameter change enables the system to operate at different performance levels depending on cable availability, maintaining connection establishment while adapting the data transmission rate to match the actual cable configuration.
2Ease of manufacture
If network cable includes only two twisted pair cables to reduce cost, then manufacturing cost decreases, but data transmission rate is restricted to 10 Mbps or 100 Mbps instead of 1 Gbps or 10 Gbps
Solution Approach 1:
The patent makes the network device universally compatible with multiple cable configurations (two-pair, three-pair, and four-pair cables) through a single device design. The network device can detect and adapt to different cable types, enabling it to function with economy cables (two pairs) while also supporting premium cables (four pairs) for maximum performance, thus allowing manufacturers to offer cost-effective solutions without sacrificing future upgradeability.
Solution Approach 2:
The system dynamically adjusts its operational mode based on the detected cable configuration, enabling economy cables with only two twisted pairs to achieve higher data transmission rates than traditionally possible. By dynamically switching between connection modes and utilizing available cables efficiently, the system allows two-pair cables to operate at enhanced speeds when configured appropriately, bridging the gap between cost-effective manufacturing and high-performance requirements.
3Speed
If all four transmitting and receiving units are activated to support high data transmission rates, then data transmission rate increases, but power consumption increases
Solution Approach 1:
The patent implements partial activation of transmitting and receiving units based on the actual connection mode and data transmission requirements. Instead of always activating all four units, the system selectively activates only the necessary number of units (two, three, or four) depending on the cable configuration and performance needs, thereby reducing unnecessary power consumption while maintaining adequate data transmission rates.
Solution Approach 2:
The system dynamically adjusts the number of active transmitting and receiving units based on real-time connection conditions and performance requirements. This dynamic power management allows the network device to operate at high performance levels when needed while consuming less power during normal operations, resolving the contradiction between speed and energy usage.
Data Source
AI summary
A wired network connection establishing method includes the steps of: configuring two network devices to exchange connection capacity information with each other through first and second twisted pair cables of a network cable, the connection capacity information including at least a first connection mode using four of the twisted pair cables, a second connection mode using three of the twisted pair cables, and a third connection mode using two of the twisted pair cables; configuring the two network devices to detect a number of the twisted pair cables in the network cable capable of supporting a normal connection; and configuring the two network devices to determine which one of the first, second, and third connection modes is to be used for establishing a connection based on the number of the twisted pair cables capable of supporting a normal connection.