{
  "format_version": 1,
  "hardware_profile": "fet3568j-c",
  "mapping_version": "fet3568j-c-20260721-v1",
  "evidence": "target-bsp/docs/snapshots/20260721-wch-legacy-intx-loopback/manifest.json; operator-confirmed linear 24+24 channel mapping",
  "validated": true,
  "channels": [
    {"channel": "CH01", "device": "/dev/ttyWCH4", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH02", "device": "/dev/ttyWCH5", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH03", "device": "/dev/ttyWCH6", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH04", "device": "/dev/ttyWCH7", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH05", "device": "/dev/ttyWCH8", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH06", "device": "/dev/ttyWCH9", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH07", "device": "/dev/ttyWCH10", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH08", "device": "/dev/ttyWCH11", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH09", "device": "/dev/ttyWCH12", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH10", "device": "/dev/ttyWCH13", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH11", "device": "/dev/ttyWCH14", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH12", "device": "/dev/ttyWCH15", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH13", "device": "/dev/ttyWCH16", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH14", "device": "/dev/ttyWCH17", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH15", "device": "/dev/ttyWCH18", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH16", "device": "/dev/ttyWCH19", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH17", "device": "/dev/ttyWCH20", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH18", "device": "/dev/ttyWCH21", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH19", "device": "/dev/ttyWCH22", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH20", "device": "/dev/ttyWCH23", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH21", "device": "/dev/ttyWCH24", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH22", "device": "/dev/ttyWCH25", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH23", "device": "/dev/ttyWCH26", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH24", "device": "/dev/ttyWCH27", "pci_bdf": "0000:01:00.0"},
    {"channel": "CH25", "device": "/dev/ttyWCH32", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH26", "device": "/dev/ttyWCH33", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH27", "device": "/dev/ttyWCH34", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH28", "device": "/dev/ttyWCH35", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH29", "device": "/dev/ttyWCH36", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH30", "device": "/dev/ttyWCH37", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH31", "device": "/dev/ttyWCH38", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH32", "device": "/dev/ttyWCH39", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH33", "device": "/dev/ttyWCH40", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH34", "device": "/dev/ttyWCH41", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH35", "device": "/dev/ttyWCH42", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH36", "device": "/dev/ttyWCH43", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH37", "device": "/dev/ttyWCH44", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH38", "device": "/dev/ttyWCH45", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH39", "device": "/dev/ttyWCH46", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH40", "device": "/dev/ttyWCH47", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH41", "device": "/dev/ttyWCH48", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH42", "device": "/dev/ttyWCH49", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH43", "device": "/dev/ttyWCH50", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH44", "device": "/dev/ttyWCH51", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH45", "device": "/dev/ttyWCH52", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH46", "device": "/dev/ttyWCH53", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH47", "device": "/dev/ttyWCH54", "pci_bdf": "0002:21:00.0"},
    {"channel": "CH48", "device": "/dev/ttyWCH55", "pci_bdf": "0002:21:00.0"}
  ]
}