{"schemaVersion":1,"slug":"single-pair-ethernet-interface","name":"Single-pair Ethernet interface","kind":"symbol","abbreviation":"SPE","aliases":["Single-pair Ethernet interface","Single-pair Ethernet interface functional block","Single-pair Ethernet interface schematic reference"],"category":"installation-communications","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"A single-pair Ethernet interface uses its specified physical-layer arrangement over one conductor pair.","description":["A single-pair Ethernet interface uses its specified physical-layer arrangement over one conductor pair.","A compatible industrial node can use the selected PHY and connector for its single-pair link.","Label the specific single-pair Ethernet variant and identify both cable ends. One pair describes the conductor arrangement, not a universal speed, distance or connector. Show any power-over-data arrangement separately and only where the selected equipment supports it. This is original functional artwork, not a certified standard graphic or device pinout."],"readingNotes":["State the selected single-pair physical-layer variant.","Reference the supported connector and cable design.","Identify any power-delivery function separately.","The single-pair label does not make every Ethernet variant or connector interchangeable."],"drawingChecklist":["State the selected single-pair physical-layer variant.","Reference the supported connector and cable design.","Identify any power-delivery function separately."],"distinction":"The single-pair label does not make every Ethernet variant or connector interchangeable.","facts":[{"label":"Representation type","value":"Original functional block; not a certified IEC or IEEE graphic"},{"label":"Concept input","value":"Compatible controller interface"},{"label":"Concept output","value":"One specified conductor pair"}],"references":[{"sourceId":"expansion-20261027-ethernet","relevance":"Ethernet physical interfaces: public technical context for the named function. Product and compliance details remain with the publisher."}],"related":["ga-industrial-ethernet-switch","ethernet-phy","power-converter","terminal"],"artwork":"expanded-single-pair-ethernet-interface","publishedOn":"2026-10-27","updatedOn":"2026-10-27","provenance":"independent-public-research","plainEnglish":{"title":"What does Single-pair Ethernet interface mean?","introduction":"A single-pair Ethernet interface uses its specified physical-layer arrangement over one conductor pair.","example":"A compatible industrial node can use the selected PHY and connector for its single-pair link.","drawings":"Label the specific single-pair Ethernet variant and identify both cable ends. One pair describes the conductor arrangement, not a universal speed, distance or connector. Show any power-over-data arrangement separately and only where the selected equipment supports it.","terms":[{"name":"Single pair","meaning":"One pair of conductors used by the selected link."},{"name":"Physical layer","meaning":"The electrical and transmission arrangement of a communication link."}],"diagram":"flow","caption":"Original functional explanation. Arrows show information or energy roles; two-headed arrows identify two-way interfaces. This is not a pinout, certified standards graphic or complete circuit.","sources":[{"label":"Ethernet physical interfaces","url":"https://www.ti.com/product-category/interface/ethernet-ics/overview.html"}],"profileId":"researched-functional-reference","checklist":["State the selected single-pair physical-layer variant.","Reference the supported connector and cable design.","Identify any power-delivery function separately."],"questions":[{"question":"Do all single-pair Ethernet devices connect interchangeably?","answer":"No. The physical-layer variant, connector, cable and supported operating conditions must match. A common conductor count does not establish interoperability."}],"steps":["Compatible controller interface","Single-pair Ethernet PHY","One specified conductor pair"],"bidirectional":true},"url":"https://eloragrid.ai/symbols/single-pair-ethernet-interface","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/single-pair-ethernet-interface.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"expansion-20261027-ethernet","title":"Ethernet physical interfaces","publisher":"Texas Instruments","url":"https://www.ti.com/product-category/interface/ethernet-ics/overview.html","type":"manufacturer","scope":"Public functional documentation. Original explanatory text and educational block artwork; no publisher graphics or files reproduced.","checkedOn":"2026-10-27","reuse":"link-only","relevance":"Ethernet physical interfaces: public technical context for the named function. Product and compliance details remain with the publisher."}]}