Patent ID: 7898383
Filing Date: 2011-03-01
Classification: H04L

Abstract:
1. A system for preventing unauthorized activation of a target maintenance function for maintaining a mobile platform having a network, comprising: a switch disposed within a space that is secured to block entry by unauthorized persons, said switch being switchable between first and second states; a user interface for inputting a user request that a target function be activated; a first computer programmed to activate said target maintenance function if predetermined conditions have been satisfied; a second computer programmed to perform a guard function whereby an instruction to activate said target maintenance function is sent from said second computer to said first computer if said user request was received by said second computer while said switch is in said first state, and a request denial is sent to said user interface by said second computer if said user request was received while said switch is in said second state, wherein said first computer is further programmed to issue a fault indicator signal in response to receipt from said second computer of an instruction to activate said target function while said switch is in said second state.