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Design a Single Pair Ethernet port: DC-blocking caps, common mode choke, optional isolation transformer, PoDL coupling and IEC 63171 connector choice.
Single Pair Ethernet (SPE) runs Ethernet over one twisted pair. Compare 10BASE-T1L (1,000 m), 10BASE-T1S, 100BASE-T1 and the 2026 802.3da and 802.3dg.
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