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What is Single Pair Ethernet (SPE)?

What is Single Pair Ethernet (SPE)?

scott

Published May 28, 2025

What is Single Pair Ethernet (SPE)?

Components

Hardware components

Project description

– Hardware Implementation Using W7500 and Various 10BASE-T1L PHYs Industrial communication is evolving rapidly, yet traditional fieldbus systems remain complex and segmented. Single Pair Ethernet (SPE) addresses these issues with a streamlined technology that enables stable Ethernet communication over just a single twisted pair cable. This article introduces the concept of SPE and explains how to implement it using WIZnet's W7500 MCU and a range of 10BASE-T1L PHYs. What is Single Pair Ethernet (SPE)? Conventional Ethernet uses two pairs (100BASE-TX) or four pairs (1000BASE-T) of twisted…

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