Virtual channel converter and VCC table access method
    4.
    发明授权
    Virtual channel converter and VCC table access method 失效
    虚拟通道转换器和VCC表访问方式

    公开(公告)号:US5691977A

    公开(公告)日:1997-11-25

    申请号:US580534

    申请日:1995-12-29

    摘要: In a data access device for writing into or read from a data conversion table on the basis of a clock signal extracted from a cell being transferred over a line, a clock signal generator of the invention generates a second clock signal which differs from the first clock signal extracted from an incoming cell. A write/read control unit writes data into or reads data for maintenance from the data conversion table on the basis of either the first clock signal or the second clock signal when the line is normal. In the event of the occurrence of a failure in the line, on the other hand, the write/read control circuit permits the data conversion table to be written into or read from for maintenance on the basis of the second clock signal.

    摘要翻译: 本发明的时钟信号发生器根据从通过线路传输的单元提取的时钟信号写入数据转换表或从数据转换表读取数据存取装置,产生与第一时钟不同的第二时钟信号 从进入的小区提取的信号。 写入/读取控制单元在线路正常时,基于第一时钟信号或第二时钟信号,将数据写入数据转换表或从数据转换表读取数据进行维护。 另一方面,在线路中出现故障的情况下,写入/读取控制电路允许数据转换表基于第二时钟信号写入或读取以进行维护。

    Subscriber information processing method in a connectionless data service
    5.
    发明授权
    Subscriber information processing method in a connectionless data service 失效
    无连接数据业务中的用户信息处理方法

    公开(公告)号:US5561662A

    公开(公告)日:1996-10-01

    申请号:US210149

    申请日:1994-03-17

    摘要: A switch interface unit, a monitor unit, and a control system interface unit are connected as external units to a highway to which a subscriber information processing unit is also connected so that a monitoring process, that is, a special study process, can be simplified and a cost charged for the subscriber information processing unit can be prevented from increasing greatly. Furthermore, in an accounting process, accounting parameters are accumulated in an accounting information accumulating unit for variations on compressed source addresses, not on source addresses. As a result, the accounting information accumulating unit, etc. can be realized with normal circuit elements only.

    摘要翻译: 开关接口单元,监视单元和控制系统接口单元作为外部单元连接到用户信息处理单元也连接到的高速公路,从而可以简化监视处理,即特殊研究过程 并且可以防止为用户信息处理单元收取的费用大大增加。 此外,在计费处理中,计费参数累积在计费信息累积单元中,用于压缩源地址的变化,而不是源地址。 结果,会计信息存储单元等只能用普通电路元件实现。

    Test system in an ATM system
    6.
    发明授权
    Test system in an ATM system 失效
    ATM系统中的测试系统

    公开(公告)号:US5602826A

    公开(公告)日:1997-02-11

    申请号:US565048

    申请日:1995-11-30

    IPC分类号: H04L12/56 H04Q11/04 H04J3/14

    摘要: A test system exactly checks the integrity of data in an ATM system, and generates a test cell of a desired band. In the first aspect of the system in which data stored in an ATM cell are transmitted in an 8-bit parallel format in the ATM system, a test cell generating device connected to an input line outputs a test cell having 1 in all of the eight bits or having zero in all of the eight bits, and the test cell confirming device connected to an output line of the ATM switch detects the above described data. In the second aspect, the test cell generating device provided in an input trunk outputs a test cell of a desired band based on a ratio between two optional integers N and n (N.gtoreq.n), the state of a buffer of the ATM switch is monitored, and a load test is conducted to determine whether or not any cell has been destroyed.

    摘要翻译: 测试系统精确地检查ATM系统中数据的完整性,并生成所需频段的测试单元。 在ATM系统中以8比特并行格式发送存储在ATM信元中的数据的系统的第一方面中,连接到输入线的测试单元生成装置输出具有1个全部八个的测试单元 位或在所有八位中具有零,并且连接到ATM交换机的输出线的测试单元确认装置检测上述数据。 在第二方面,提供在输入中继线中的测试单元产生装置基于两个可选整数N和n(N> / = n)之间的比率输出所需频带的测试单元,ATM的缓冲器的状态 监控开关,并进行负载测试,以确定任何电池是否已被破坏。

    Path route test apparatus for use in an ATM transmission system
    7.
    发明授权
    Path route test apparatus for use in an ATM transmission system 失效
    用于ATM传输系统的路径路由测试装置

    公开(公告)号:US5408461A

    公开(公告)日:1995-04-18

    申请号:US215313

    申请日:1994-03-21

    摘要: An ATM transmission system transmits cell-formatted data in an asynchronous transfer mode, and aims at conducting an online path route test in the system. If one path route only is established in the system, then one or more valid cell detecting units for detecting, upon receipt of a cell enable signal indicating that a valid cell to pass through the path route has been sent, the arrival of a valid cell are provided at an optional point including an ATM switch in the path route so that the path route can be partially or entirely validity-checked. If plurality of valid path routes are established, the system provides, in addition to the valid cell detecting units, a virtual path identifier and virtual channel identifier comparing unit for comparing values of the VPI and VCI stored therein with values of a VPI and a VCI added to an arriving cell, and a path route validity check unit for partially or entirely validity-checking a path route in the ATM transmission system.

    摘要翻译: ATM传输系统以异步传输模式发送小区格式数据,目的是在系统中进行在线路径测试。 如果仅在系统中建立一个路径路径,则一个或多个有效的小区检测单元在接收到指示通过路径路由的有效小区的小区启用信号已被发送时,检测有效小区的到达 被提供在包括路由路由中的ATM交换机的可选点处,使得可以部分地或完全地进行有效性检查。 如果建立了多个有效的路径路由,则除了有效的小区检测单元之外,系统还提供虚拟路径标识符和虚拟信道标识符比较单元,用于比较其中存储的VPI和VCI的值与VPI和VCI的值 以及路由有效性检查单元,用于部分或全部有效性地检查ATM传输系统中的路径路径。

    In-service activator for a broadband exchanger
    8.
    发明授权
    In-service activator for a broadband exchanger 失效
    宽带交换机的在线激活器

    公开(公告)号:US5295134A

    公开(公告)日:1994-03-15

    申请号:US853257

    申请日:1992-03-18

    摘要: An in-service activator for a broadband exchanger has a dual system structure, in which a first system and a second system form a dual pair. The first system and the second system in the dual pair each has at least one [1] channel converter and a switcher. A channel converter stores channel setting information for use in routing a cell inputted from a line, and outputs the cell inputted from the line by attaching the channel setting information to the cell. The switcher switches a cell outputted from a channel converter. The interfacer stores, in a channel converter of a to-be-activated standby system in the dual pair, the channel setting information read from the corresponding channel converter of an act system in the duplex pair.

    摘要翻译: 用于宽带交换机的在线激活器具有双系统结构,其中第一系统和第二系统形成双对。 双对中的第一系统和第二系统每个具有至少一个(1)信道转换器和切换器。 通道转换器存储用于路由从一行输入的单元的通道设置信息,并且通过将通道设置信息附加到该单元来输出从该行输入的单元。 切换器切换从信道转换器输出的单元。 该接口在双对中的待激活待机系统的信道转换器中存储从双工对中的动作系统的相应信道转换器读取的信道设置信息。

    Self routing exchange and exchange system
    9.
    发明授权
    Self routing exchange and exchange system 失效
    自动路由交换和交换系统

    公开(公告)号:US5555243A

    公开(公告)日:1996-09-10

    申请号:US353499

    申请日:1994-12-09

    摘要: 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.

    摘要翻译: 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。

    Broadcast method and system with cell tag information for multiple
self-routing
    10.
    发明授权
    Broadcast method and system with cell tag information for multiple self-routing 失效
    广播方法和系统具有多个自路由的单元标签信息

    公开(公告)号:US5636222A

    公开(公告)日:1997-06-03

    申请号:US565316

    申请日:1995-11-30

    摘要: When broadcast is executed in an ATM mode, a subscriber is assigned a path and a channel as information by a central controller of a switching unit, and the information is added to a cell to be transmitted to the switching unit through a subscriber line. The switching unit comprises the central controller, a tag information adder, and a self-routing switch. The self-routing switch comprises a plurality of input lines and output lines, and unit switches provided for each input line corresponding to each of the output lines. The tag information adder adds routing information for the self-routing switch to a cell to be transmitted to the self-routing switching. The routing information comprises a set of bits corresponding to each output line, and the tag information adder adds to the cell the routing information in which a bit corresponding to an output line for transmitting the cell is set to a predetermined logical value. In executing the broadcast, a plurality of bits corresponding to a plurality of output lines are set to a predetermined logical value. The self-routing switch analyzes the routing information of the cell received by each unit switch, and outputs the cell to the outpost line if the bit corresponding to a unit switch is set to a predetermined logical value. If a plurality of bits of routing information are set to a predetermined value, the cell is outputted from a plurality of output lines, thus enabling the broadcast.

    摘要翻译: 当以ATM模式执行广播时,由切换单元的中央控制器向用户分配路径和信道作为信息,并且通过用户线路将信息添加到要发送到交换单元的小区。 切换单元包括中央控制器,标签信息加法器和自路由交换机。 自路由开关包括多个输入线和输出线,以及为每条输出线对应的每个输入线提供单元开关。 标签信息加法器将自路由交换机的路由信息​​添加到要发送到自路由交换的信元。 路由信息包括与每条输出线对应的一组比特,标签信息加法器向小区添加与发送小区的输出线相对应的比特被设定为规定的逻辑值的路由信息​​。 在执行广播时,将与多个输出行相对应的多个位设置为预定的逻辑值。 自路由交换机分析每个单元交换机接收到的小区的路由信息​​,并且如果与单位交换机相对应的位被设置为预定的逻辑值,则将该小区输出到前哨线。 如果路由信息的多个比特被设置为预定值,则从多个输出线输出小区,从而能够进行广播。