{
  "node": {
    "id": "term:automotive-ethernet",
    "type": "Term",
    "label": "Automotive Ethernet",
    "properties": {
      "id": "automotive-ethernet",
      "name": "Automotive Ethernet",
      "aka": [
        "100BASE-T1",
        "1000BASE-T1"
      ],
      "section": "topic-data",
      "definition": "Ethernet over a single twisted pair, now the backbone of newer vehicle networks where CAN’s bandwidth runs out. Battery systems still use CAN for control but increasingly send high-rate cell data and software updates over Ethernet.",
      "related": [
        "can-bus",
        "can-fd",
        "vdv-301"
      ],
      "url": "https://lemonergy.com/learn/glossary/automotive-ethernet/",
      "mentions": []
    }
  },
  "edges": [
    {
      "id": "edge:4158",
      "source": "term:automotive-ethernet",
      "target": "topic:topic-data",
      "type": "belongsTo",
      "properties": {
        "sourceFile": "terms.json"
      }
    },
    {
      "id": "edge:4159",
      "source": "term:automotive-ethernet",
      "target": "term:can-bus",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4160",
      "source": "term:automotive-ethernet",
      "target": "term:can-fd",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    },
    {
      "id": "edge:4161",
      "source": "term:automotive-ethernet",
      "target": "term:vdv-301",
      "type": "relatedTo",
      "properties": {
        "sourceFile": "terms.json",
        "meaning": "Related context; not a causal claim"
      }
    }
  ],
  "neighbors": [
    {
      "id": "topic:topic-data",
      "type": "Topic",
      "label": "Data, communication and electronics",
      "properties": {
        "id": "topic-data",
        "name": "Data, communication and electronics",
        "lede": "The control units, chips, protocols and file formats through which a battery is measured, controlled and logged.",
        "context": "Separate quantities from encoding and transport.",
        "example": "2500 in a log might mean 25.00 °C, 2.5 V or raw counts. Units and scale must accompany the value.",
        "lesson_url": "https://lemonergy.com/learn/fundamentals/battery-basics/",
        "lesson_label": "Open battery basics"
      }
    },
    {
      "id": "term:can-bus",
      "type": "Term",
      "label": "CAN bus",
      "properties": {
        "id": "can-bus",
        "name": "CAN bus",
        "aka": [
          "Controller Area Network",
          "ISO 11898"
        ],
        "section": "topic-pack",
        "definition": "The serial network over which a BMS talks to the vehicle or inverter: a two-wire differential bus, defined in ISO 11898, carrying short prioritised messages at up to 1 Mbit/s, or faster with CAN FD. Every node hears every message, and a dominant bit wins arbitration without any collision.",
        "related": [
          "can-high-low",
          "can-fd",
          "termination-resistor",
          "bms",
          "lin-bus",
          "fms-interface"
        ],
        "url": "https://lemonergy.com/learn/glossary/can-bus/",
        "mentions": [
          "inverter"
        ]
      }
    },
    {
      "id": "term:can-fd",
      "type": "Term",
      "label": "CAN FD",
      "properties": {
        "id": "can-fd",
        "name": "CAN FD",
        "aka": [
          "CAN with flexible data rate"
        ],
        "section": "topic-pack",
        "definition": "An extension of classical CAN that switches to a higher bit rate, up to 5–8 Mbit/s, for the data part of each frame and allows 64 data bytes instead of 8. BMS data-logging and over-the-air updates are its usual battery uses.",
        "related": [
          "can-bus",
          "can-high-low",
          "bms"
        ],
        "url": "https://lemonergy.com/learn/glossary/can-fd/",
        "mentions": []
      }
    },
    {
      "id": "term:vdv-301",
      "type": "Term",
      "label": "VDV 301",
      "properties": {
        "id": "vdv-301",
        "name": "VDV 301",
        "aka": [
          "VDV-Schrift 301",
          "ITxPT"
        ],
        "section": "topic-standards-vehicle",
        "definition": "The VDV recommendation on the IP-based on-board network of a bus, the basis of the European ITxPT architecture. It is how battery state, charging status and energy data from the vehicle reach the operator’s fleet systems in a standard form.",
        "related": [
          "vdv",
          "fms-interface",
          "electric-bus",
          "fleet-telematics"
        ],
        "url": "https://lemonergy.com/learn/glossary/vdv-301/",
        "mentions": []
      }
    }
  ]
}