| 摘要 |
PROBLEM TO BE SOLVED: To provide an external equipment connection communication equipment capable of performing communication by the same interface for the communication regardless of the kind of an external equipment and simultaneously performing the communication with the plural external equipments. SOLUTION: A communication system capable of the access of the plural external equipments B from the outside to a main body equipment H1 is provided with the equipment control parts 21, 22 and 23 of the same constitution for performing communication control to the respective plural external equipments and a control means for opening a dedicated channel corresponding to reception data and performing the communication every time of receiving the reception data from one of the plural external equipments.
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