发明名称 Multiple band change-over method for multiplex communication equipment
摘要 A multiplex communication system is provided with a plurality of multiplex communication equipment connected to each other through an exclusive line. The multiplex communication equipment have a plurality of a structure information for setting multiple bands. The multiple bands are changed over by changing-over the structure information on the basis of a previous-set schedule.
申请公布号 US6215794(B1) 申请公布日期 2001.04.10
申请号 US19970927284 申请日期 1997.09.11
申请人 HITACHI TELECOM TECHNOLOGIES, LTD. 发明人 WATANABE SAKAE;AZUMA KAZUMASA;SUZUKI KAORU;ASO IKUO
分类号 H04J3/06;H04J3/16;(IPC1-7):H04J3/16;H04J3/04 主分类号 H04J3/06
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