{
    "system_board": [
        {"instance": 1, "name": "/"},
        {"instance": 28, "name": "/i2cool_0"},
        {"instance": 29, "name": "/i2cool_1"},
        {"instance": 30, "name": "/i2cool_2"}
    ],
    "system_internal_expansion_board": [
        {"instance": 1, "name": "/"}
    ],
    "power_system_board": [
        {"instance": 1, "name": "/"}
    ],
    "add_in_card": [
        {"instance": 0, "name": "/PE0"},
        {"instance": 1, "name": "/PE1"}
    ],
    "fan": [
        {"instance": 0, "name": "/fan0"},
        {"instance": 1, "name": "/fan1"},
        {"instance": 2, "name": "/fb_fan0"},
        {"instance": 3, "name": "/fb_fan1"},
        {"instance": 4, "name": "/fb_fan2"}
    ],
    "cooling_unit": [
        {"instance": 0, "name": "/ZONE0"},
        {"instance": 1, "name": "/ZONE1"}
    ]
}