NSX-T Data Center REST API

MaintenanceModeState (type)

{
  "enum": [
    "ENTERING", 
    "ENABLED", 
    "EXITING", 
    "DISABLED"
  ], 
  "id": "MaintenanceModeState", 
  "module_id": "TransportNode", 
  "readonly": true, 
  "title": "maintenance mode state", 
  "type": "string"
}