Switching device, a switching device control method and a switching device control program

Abstract

A switching device is comprising connectors and switching part, which is connected via the connectors to a working power supply unit, a redundant power supply unit, a battery unit and a power supply output terminal, and, in an initial state, connects the power supply output terminal and the working power supply unit, and connects the battery unit and the redundant power supply unit is connected, and in a spare state, cuts a connection between the battery unit and the redundant power supply unit, and connects the power supply output terminal and the redundant power supply unit.

Dependencies are inferred from the claim text.