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2. 发明申请

WO1997030555A2 MULTIPLE APPLICATION SWITCHING PLATFORM AND METHOD 审中-公开
标题翻译：多应用开关平台和方法
公开(公告)号：WO1997030555A2
公开(公告)日：1997-08-21
申请号：PCT/US1997001560
申请日：1997-02-13
申请人： MICHAELSEN, Alwin, C. , ATKINSON, Roger, F.
发明人： MICHAELSEN, Alwin, C. , NG, Simon, S. , SIEFERT, Robert, J. , ASHLEY, William , BECKMAN, Kenneth, A. , KLEIN, Raymond
IPC分类号： H04Q00/00
CPC分类号： H04Q11/0407 , H04M3/005 , H04M3/007 , H04M9/025 , H04Q3/5455 , H04Q2213/13003 , H04Q2213/1305 , H04Q2213/13103 , H04Q2213/13106 , H04Q2213/13109 , H04Q2213/1313 , H04Q2213/13174 , H04Q2213/13176 , H04Q2213/13191 , H04Q2213/13204 , H04Q2213/13209 , H04Q2213/13213 , H04Q2213/13292 , H04Q2213/13299 , H04Q2213/13305 , H04Q2213/1332 , H04Q2213/13322 , H04Q2213/1334 , H04Q2213/13376 , H04Q2213/13381
摘要： A multiple application switching platform includes a switch having a distributed open architecture and incorporating redundancy for enhanced fault tolerance. The switch includes at least one shelf having a midplane containing message buses and TDM data buses. Shelves may be interconnected to form a group wherein various circuit cards are connected to each shelf midplane. The circuit cards perform call processing wherein each card within a group accessing a data bus is pre-assigned a unique set of time slots for each data bus within which that card may transmit onto that data bus. Each circuit card further includes an identification number that enables each card an opportunity to transmit onto a message bus. The circuit cards include line or trunk switch cards that function as an independent switch to interface line or trunks to a shelf midplane. Communications between lines or trunks connected to any group shelf is facilitated by switch cards communicating with each other via messages sent over the message buses. The messages coordinate reception of call information, while the switch circuit cards transmit data (e.g., voice data) over the data buses. A shelf may include other circuit cards, such as a data communications card to interface external host computers or common signaling systems, while each group includes at least one database/processor card to maintain billing and other information and download switch configuration information to circuit cards.
摘要翻译：多应用交换平台包括具有分布式开放架构的交换机并且包括用于增强的容错的冗余。交换机包括至少一个具有包含消息总线和TDM数据总线的中面板的机架。搁板可以互连以形成一组，其中各个电路卡连接到每个货架中平面。电路卡执行呼叫处理，其中访问数据总线的组内的每个卡被预分配了用于该卡可以在该数据总线上发送的每个数据总线的唯一的一组时隙。每个电路卡还包括使每个卡有机会发送到消息总线上的标识号。电路卡包括线路或中继交换机卡，其作为独立开关，将线路或中继线连接到货架中间板。通过在消息总线上发送的消息通过交换卡彼此通信来促进连接到任何组架的线路或中继线之间的通信。消息协调接收呼叫信息，而开关电路卡通过数据总线发送数据（例如语音数据）。搁板可以包括其他电路卡，例如用于连接外部主机计算机或公共信号系统的数据通信卡，而每个组包括至少一个数据库/处理器卡，以维持计费和其他信息，并将开关配置信息下载到电路卡。

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