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    • 3. 发明授权
    • Self routing exchange and exchange system
    • 自动路由交换和交换系统
    • US5555243A
    • 1996-09-10
    • US353499
    • 1994-12-09
    • Satoshi KakumaShiro UriuNoriko SamejimaMasami MurayamaNoaki Fukuda
    • Satoshi KakumaShiro UriuNoriko SamejimaMasami MurayamaNoaki Fukuda
    • H04M3/00H04L12/64H04L12/931H04Q3/00H04Q11/04
    • H04L49/1515H04L12/6402H04L49/10H04L49/1553H04L49/606H04Q11/0478H04J2203/0012H04L49/254
    • A self-routing exchange which includes switch modules connected in multiple stages. A synchronous transfer mode (STM) circuit switch module, which is capable of changing over a connection relationship between incoming highways and outgoing highways, is provided between the multistage-connected switch modules and self-routing switch modules. Asynchronous transfer mode (ATM) switch modules are provided as switch modules in preceding and succeeding stages of the circuit switching module. In dependence upon the number m of self-routing switch modules, a controller sets, by means of software, the connection relationship between the incoming and outgoing highways in each of space switches incorporated within the circuit switching module. As a result, the total mn-number of incoming highways from the self-routing switch modules are connected to respective ones of mn-number of outgoing highways set by the controller. In a case where self-routing switch modules are added on later to expand the system, the controller changes the connection relationship between the incoming and outgoing highways in each space switch within the circuit switching module, using software.
    • 自动路由交换机,包括多个阶段连接的交换机模块。 在多级连接的交换机模块和自路由交换机模块之间提供了能够切换进入高速公路和出站高速公路之间的连接关系的同步传输模式(STM)电路交换模块。 在电路交换模块的前级和后续级提供了异步传输模式(ATM)开关模块作为开关模块。 依赖于自路由交换机模块的数量m,控制器通过软件设置结合在电路交换模块中的每个空间交换机中的输入和输出高速公路之间的连接关系。 结果,自路由交换机模块的入站高速公路总数连接到由控制器设置的mn个出站高速公路的各个。 在以后添加自路由交换机模块以扩展系统的情况下,控制器使用软件改变电路交换模块内的每个空间交换机中的输入和输出高速公路之间的连接关系。
    • 10. 发明授权
    • Control system for switching duplicated switch units in ATM exchange
    • 用于在ATM交换机中切换复制交换机单元的控制系统
    • US5301184A
    • 1994-04-05
    • US972025
    • 1992-11-06
    • Shiro UriuSatoshi KakumaYoshihiro Uchida
    • Shiro UriuSatoshi KakumaYoshihiro Uchida
    • H04L12/707H04L12/713H04L12/723H04L12/943H04Q11/04H04L12/56
    • H04L49/153H04L49/3009H04L49/3081H04L49/552H04Q11/0478H04L2012/5627H04L49/1523H04L49/30
    • In a control system for switching between a first system and a second system of a duplicated selecting structure in an ATM exchange, one of the first and second systems operates as an active system, and the other operates as a standby system. A generator unit writes specific bits into ATM cells received via an input transmission line. The specific bits respectively written into ATM cells to be transferred via the active system indicate a first state, and those respectively written into the ATM cells to be transferred via the standby system indicate a second state. A first table stores the specific bits respectively assigned to VPI/VCI pairs related to the ATM cells transferred via the first system. A second table stores the specific bits respectively assigned to VPI/VCI pairs related to the ATM cells transferred via the second system. A selecting unit compares the specific bits written into the ATM cells with the specific bits stored in the first and second tables by using the VPI/VCI pairs of the ATM cells, and outputs only ATM cells respectively having specific bits respectively indicating the first state to an output transmission line.
    • 在用于在ATM交换机中在第一系统和第二系统之间切换复制选择结构的控制系统中,第一和第二系统之一作为活动系统运行,另一个作为备用系统运行。 发生器单元将特定位写入经由输入传输线接收的ATM信元。 分别写入要通过有源系统传送的ATM信元的特定位指示第一状态,分别写入要经由备用系统传送的ATM信元的那些指示第二状态。 第一表存储分配给与通过第一系统传送的ATM信元相关的VPI / VCI对的特定位。 第二表存储分配给与通过第二系统传送的ATM信元相关的VPI / VCI对的特定位。 选择单元通过使用ATM信元的VPI / VCI对将写入ATM信元的特定比特与存储在第一和第二表中的特定比特进行比较,并且仅将分别具有表示第一状态的特定比特的ATM信元仅输出到 输出传输线。