摘要:
The identification acquirement instructing unit 171 transmits an identification acquiring command to the storage apparatus (the IC tag). The identification receiving unit 181 receives the identification information of the storage apparatus. The protocol deciding unit 130, based on the identification information of the storage apparatus, decides the group of the extension commands (the protocols) that the storage apparatus can interprets. and the extension command transforming unit 140 transforms the common command acquired by the common command acquiring unit 161 to an extension command. the command transmitting unit 172 transmits it to the storage apparatus.