1{
2    "system_board": [
3        {"instance": 1, "name": "/"},
4        {"instance": 28, "name": "/i2cool_0"},
5        {"instance": 29, "name": "/i2cool_1"},
6        {"instance": 30, "name": "/i2cool_2"}
7    ],
8    "system_internal_expansion_board": [
9        {"instance": 1, "name": "/"}
10    ],
11    "power_system_board": [
12        {"instance": 1, "name": "/"}
13    ],
14    "add_in_card": [
15        {"instance": 0, "name": "/PE0"},
16        {"instance": 1, "name": "/PE1"}
17    ],
18    "fan": [
19        {"instance": 0, "name": "/fan0"},
20        {"instance": 1, "name": "/fan1"},
21        {"instance": 2, "name": "/fb_fan0"},
22        {"instance": 3, "name": "/fb_fan1"},
23        {"instance": 4, "name": "/fb_fan2"}
24    ],
25    "cooling_unit": [
26        {"instance": 0, "name": "/ZONE0"},
27        {"instance": 1, "name": "/ZONE1"}
28    ]
29}
30