| 摘要 |
PROBLEM TO BE SOLVED: To improve the efficiency of maintenance and to improve the reliability concerned with connection. SOLUTION: A power amplifier and a cold plate are incorporated in a chassis device 121 and a connection terminal 1212 for supplying electric power to the power amplifier, connection terminals 1214 and 1215 for inputting and outputting signals, and connection terminals 1216 and 1217 for circulating cooling liquid to the cold plate are exposed on the same surface. Then only storing the surface of the chassis device 121 where the connection terminals 1213 to 1217 in a housing 110 engages a guide groove on its flank with guide rails 131 and 141 and also guides the connection terminals 1213 to 1217 to the position of connection terminals 1113 to 1117 which are connected respectively. Further, when the connection terminals 1213 to 1217 are connected to the connection terminals 1113 to 1117, the connection terminals 113 to 1117 form a floating structure.
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