| 摘要 |
<P>PROBLEM TO BE SOLVED: To switch base band devices to be used without manual operation by an operator. Ž<P>SOLUTION: When a session is connected according to the type of data between a base band device 2A of a main system and a satellite control device 1, the satellite control device 1 cuts the session between the base band device 2A of the main system and the satellite control device 1, and connects a session between a base band device 2B of a slave system and the satellite control device 1 according to the type of data on detecting the abnormality in the base band device 2A of the main system. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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