state                                                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                                                                                                                    unlock                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      default 
                                                                                                                                                                                                                                                                                                                                                                                      alarm                                                                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                     status unlocked                                                                                                                                                                                                                                            status alarm                                                                                                                                                                                                                                                status locked                                                                                                                               
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
                     status changed                                                                                                                                                                                                                                             status changed                                                                                                                                                                                                                                              status not changed