Patent ID: 8332692

Claim:
An apparatus used in a test for testing an information processing apparatus, the apparatus comprising: a connector connected to the information processing apparatus including a storage unit, a processing unit connected to the storage unit and transmits command information to an external unit through a control signal line, a first relay unit connected to a first communication unit through a first communication signal line and to the connector through a second communication signal line, and a second relay unit connected to a second communication unit through a third communication signal line and to the connector through a fourth communication signal line; a switch connected to the connector, and connected to the second communication signal line through the connector and the fourth communication signal line through the connector; and a control unit connected to the control signal line through the connector and configured to receive the command information for controlling the switch from the processing unit; wherein the switch connects or disconnects a connection between the second communication signal line and the fourth communication signal line under the control of the control unit.