Patent ID: 9639076
Date: 2017-05-02
CPC Classifications: G05B,G06F

Claim:
1. A switch apparatus that connects an arithmetic processing apparatus that executes calculation and a control apparatus that controls the arithmetic processing apparatus, to an input/output apparatus that performs input and output of information, the switch apparatus comprising: a switch unit that connects one of the arithmetic processing apparatus and the control apparatus, to the input/output apparatus; a first input/output control unit that outputs a first command that is received from the arithmetic processing apparatus to the input/output apparatus through the switch unit, receives a response from the input/output apparatus that is operated based on the first command, through the switch unit, and outputs the received response to the arithmetic processing apparatus; and a second input/output control unit that outputs a second command that is received from the control apparatus, to the input/output apparatus through the switch unit, receives a test result of the input/output apparatus that is tested based on the second command, through the switch unit, and outputs the received test result to the control apparatus.