Single-Pair Ethernet Switching Across T1, T1L, and T1S
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Solution Overview
Problem
Existing single pair Ethernet (SPE/T1) standards T1, T1L, and T1S are electrically incompatible, limiting the use and operation of devices and networking to only compatible equipment, as each standard requires its own electrical interface for data transmission.
Innovation Solution
A switching apparatus with multiple interfaces and electronics for 100Base-T1, 10Base-T1L, and 10Base-T1S operations, allowing data transmission between these standards by using 100Base-T1 Ethernet PHY-IC, 10Base-T1L Ethernet PHY-IC, and 10Base-T1S Ethernet PHY-IC with passive components, and enabling switching between these standards through a multi-pole and two-pole interface setup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a switching apparatus supports multiple SPE/T1 Ethernet standards (T1, T1L, T1S), then compatibility and versatility are improved, but device complexity increases due to requiring multiple electrical interfaces and electronics for each standard
Solution Approach 1:
The patent implements a universal switching apparatus that can operate with multiple SPE/T1 Ethernet standards (T1, T1L, T1S) through a single integrated device. The switching apparatus includes multiple electrical interfaces (first electrical interface for T1, second electrical interface for T1L, third electrical interface for T1S) and corresponding electronics that can be selectively activated based on the connected device, allowing one device to serve multiple standards without requiring separate dedicated hardware for each standard.
Solution Approach 2:
The switching apparatus is segmented into distinct functional modules: a first electrical interface with first electronics for T1 standard, a second electrical interface with second electronics for T1L standard, and a third electrical interface with third electronics for T1S standard. This segmentation allows each module to be independently configured and activated based on the specific standard required, reducing the operational complexity while maintaining support for all standards.
2Adaptability or versatility
If a switching apparatus uses multiple electrical interfaces for different SPE/T1 standards, then adaptability is improved, but ease of operation deteriorates due to difficulty in selecting and switching between standards
Solution Approach 1:
The switching apparatus automatically detects which SPE/T1 Ethernet standard is being used by the connected device and self-configures the appropriate electrical interface and electronics without requiring manual intervention. The device monitors the connection and autonomously activates the corresponding interface (first, second, or third electrical interface) based on the detected standard, eliminating the need for users to manually select or configure the appropriate interface.
Solution Approach 2:
The switching apparatus incorporates feedback mechanisms that monitor the connected device's characteristics and automatically adjust the active electrical interface based on the detected standard. This feedback loop enables the system to respond dynamically to connection changes, ensuring the correct interface is activated without user input.
Data Source
AI summary
A switching apparatus for providing a single-pair Ethernet (SPE/T1-Ethernet) connection, has a first interface (I1) and second interface (I2), wherein the first interface is a multi-pole and in particular a MIL or RMII interface, and the second interface is a dual-pole SPE/T1-specific interface. The switching apparatus furthermore has first electronics suitable for 100Base-T1 operation and/or second electronics suitable for 10Base-T1L operation and/or third electronics suitable for 10Base-T1S operation of the second interface. Also disclosed is an Ethernet switch and to an SPE/T1 development board that each have an above switching apparatus.