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    • 6. 发明申请
    • Service unit for a hub having multiple star interconnect configurations
    • 具有多个星形互连配置的集线器的服务单元
    • US20020097745A1
    • 2002-07-25
    • US10100208
    • 2002-03-18
    • Stephen J. BrolinRobert W. DeMarco
    • H04L012/26H04L012/28
    • H04L49/557H04J3/0688H04J3/0691H04J2203/0012H04J2203/0017H04J2203/0021H04J2203/0025H04J2203/006H04L12/5601H04L49/1523H04L49/153H04L49/1553H04L49/25H04L49/30H04L49/3081H04L49/40H04L49/552H04L49/606H04L2012/5605H04L2012/5618H04L2012/5627H04L2012/5665H04Q11/0478
    • An architecture for a SONET network element, such as a hybrid STM/ATM add-drop multiplexer. The disclosed system includes an interconnection system for a network element, including a line unit slot, a switch fabric slot, and two or more service unit slots. The line unit slot is connected as a hub to the switch fabric slot and the service unit slots in a first star interconnection configuration. The switch fabric slot is connected as a hub to the line unit slot and the service unit slots in a second star interconnection configuration. The star interconnection configurations provide fault isolation between different units, and allow for replacement of failed units without interfering with the links of other units to the hub. In a preferred embodiment, the switch fabric slot and one of the service unit slots comprise the same slot, thus permitting flexible configuration of the device within a minimal space. In a further illustrative embodiment, a control unit slot is provided in the interconnection system, and connected as a hub to the line unit slot, the switch fabric slot, and the service unit slots to form a third star interconnection configuration. A service unit is also disclosed, including a first backplane interface for connecting with an ATM star interconnect configuration within the network element, and a second backplane interface for connecting to an STM star interconnect configuration within said network element. The service unit further includes a third backplane interface to connect with a control star interconnect configuration within the network element.
    • 用于SONET网元的架构,例如混合STM / ATM分插复用器。 所公开的系统包括用于网络元件的互连系统,包括线路单元时隙,交换矩阵时隙和两个或更多个服务单元时隙。 线路单元插槽作为集线器连接到交换矩阵槽,并且服务单元以第一星形互连配置插槽。 交换矩阵槽作为集线器连接到线路单元插槽,并且服务单元以第二星形互连配置插槽。 星形互连配置提供不同单元之间的故障隔离,并允许更换故障单元,而不会干扰其他单元到集线器的链路。 在优选实施例中,交换结构时隙和服务单元时隙中的一个包括相同的时隙,从而允许设备在最小空间内的灵活配置。 在另一说明性实施例中,控制单元插槽设置在互连系统中,并且作为集线器连接到线路单元插槽,交换矩阵插槽和服务单元插槽以形成第三星形互连配置。 还公开了一种服务单元,包括用于与网络元件内的ATM星形互连配置连接的第一背板接口和用于连接到所述网络元件内的STM星形互连配置的第二背板接口。 服务单元还包括第三背板接口,以与网络元件内的控制星形互连配置连接。
    • 7. 发明申请
    • Network element with redundant switching matrix
    • 具有冗余交换矩阵的网元
    • US20030041208A1
    • 2003-02-27
    • US10205362
    • 2002-07-26
    • ALCATEL
    • Heuer Volkmar
    • G06F013/00
    • H04L49/552H04J2203/0017H04J2203/006H04J2203/0076H04Q11/0005H04Q11/0478H04Q2011/0043H04Q2011/0081
    • A network element (DCX) of a digital transmission network has a first switching matrix (12), a second redundant switching matrix (13), a plurality of I/O ports (14, 15), each being controllably connectable to either of the two switching matrices, and a control system (18). The I/O ports (14, 15) receive and transmit transmission signals carrying either high priority traffic (10) or low priority traffic (11). In normal operation, the control system (18) controls the I/O ports (14, 15) to route received transmission signals carrying high priority traffic (10) to the first switching matrix (12) and transmission signals carrying low priority traffic (11) to the second switching matrix (13). In the case of a failure of the first switching matrix (12), the control system (18) controls the I/O ports (14, 15) to re-route transmission signals carrying high priority traffic (10) to the second switching matrix (13) while transmission signals carrying low priority traffic (11) may be dropped.
    • 数字传输网络的网元(DCX)具有第一交换矩阵(12),第二冗余交换矩阵(13),多个I / O端口(14,15),每个I / O端口可控地连接到 两个开关矩阵,以及一个控制系统(18)。 I / O端口(14,15)接收和发送承载高优先级业务(10)或低优先级业务(11)的传输信号。 在正常操作中,控制系统(18)控制I / O端口(14,15)将接收的承载高优先级业务(10)的传输信号路由到第一交换矩阵(12)和传送低优先级业务(11 )到第二开关矩阵(13)。 在第一交换矩阵(12)发生故障的情况下,控制系统(18)控制I / O端口(14,15)将承载高优先级业务(10)的传输信号重新路由到第二交换矩阵 (13),而携带低优先级业务(11)的传输信号可能被丢弃。
    • 8. 发明授权
    • Architecture for a hybrid STM/ATM add-drop multiplexer
    • 混合STM / ATM分插复用器的架构
    • US06359859B1
    • 2002-03-19
    • US09325187
    • 1999-06-03
    • Stephen J. BrolinRobert W. DeMarco
    • Stephen J. BrolinRobert W. DeMarco
    • H04L1244
    • H04L49/557H04J3/0688H04J3/0691H04J2203/0012H04J2203/0017H04J2203/0021H04J2203/0025H04J2203/006H04L12/5601H04L49/1523H04L49/153H04L49/1553H04L49/25H04L49/30H04L49/3081H04L49/40H04L49/552H04L49/606H04L2012/5605H04L2012/5618H04L2012/5627H04L2012/5665H04Q11/0478
    • An architecture for a SONET network element, such as a hybrid STM/ATM add-drop multiplexer. The disclosed system includes an interconnection system for a network element, including a line unit slot, a switch fabric slot, and two or more service unit slots. The line unit slot is connected as a hub to the switch fabric slot and the service unit slots in a first star interconnection configuration. The switch fabric slot is connected as a hub to the line unit slot and the service unit slots in a second star interconnection configuration. The star interconnection configurations provide fault isolation between different units, and allow for replacement of failed units without interfering with the links of other units to the hub. In a preferred embodiment, the switch fabric slot and one of the service unit slots comprise the same slot, thus permitting flexible configuration of the device within a minimal space. In a further illustrative embodiment, a control unit slot is provided in the interconnection system, and connected as a hub to the line unit slot, the switch fabric slot, and the service unit slots to form a third star interconnection configuration. A service unit is also disclosed, including a first backplane interface for connecting with an ATM star interconnect configuration within the network element, and a second backplane interface for connecting to an STM star interconnect configuration within said network element. The service unit further includes a third backplane interface to connect with a control star interconnect configuration within the network element.
    • 用于SONET网元的架构,例如混合STM / ATM分插复用器。 所公开的系统包括用于网络元件的互连系统,包括线路单元时隙,交换矩阵时隙和两个或更多个服务单元时隙。 线路单元插槽作为集线器连接到交换矩阵槽,并且服务单元以第一星形互连配置插槽。 交换矩阵槽作为集线器连接到线路单元插槽,并且服务单元以第二星形互连配置插槽。 星形互连配置提供不同单元之间的故障隔离,并允许更换故障单元,而不会干扰其他单元到集线器的链路。 在优选实施例中,交换结构时隙和服务单元时隙中的一个包括相同的时隙,从而允许设备在最小空间内的灵活配置。 在另一说明性实施例中,控制单元插槽设置在互连系统中,并且作为集线器连接到线路单元插槽,交换矩阵插槽和服务单元插槽以形成第三星形互连配置。 还公开了一种服务单元,包括用于与网络元件内的ATM星形互连配置连接的第一背板接口和用于连接到所述网络元件内的STM星形互连配置的第二背板接口。 服务单元还包括第三背板接口,以与网络元件内的控制星形互连配置连接。
    • 10. 发明申请
    • ARCHITECTURE FOR A HYBRID STM/ATM ADD-DROP MULTIPLEXER
    • 混合STM / ATM ADD-DROP多路复用器的架构
    • WO00076156A1
    • 2000-12-14
    • PCT/US2000/015266
    • 2000-06-02
    • H04J3/00H04L12/44H04L12/56H04L12/66H04Q11/04H04L12/64
    • H04L49/557H04J3/0688H04J3/0691H04J2203/0012H04J2203/0017H04J2203/0021H04J2203/0025H04J2203/006H04L12/5601H04L49/1523H04L49/153H04L49/1553H04L49/25H04L49/30H04L49/3081H04L49/40H04L49/552H04L49/606H04L2012/5605H04L2012/5618H04L2012/5627H04L2012/5665H04Q11/0478
    • An architecture for a SONET network element, such as a hybrid STM/ATM add-drop multiplexer. The disclosed system includes an interconnection system for a network element, including a line unit slot, a switch fabric slot, and two or more service unit slots. The line unit slot is connected as a hub to the switch fabric slot and the service unit slots in a first star interconnection configuration. The switch fabric slot is connected as a hub to the line unit slot and the service unit slots in a second star interconnection configuration. The star interconnection configurations provide fault isolation between different units, and allow for replacement of failed units without interfering with the links of other units to the hub. In a preferred embodiment, the switch fabric slot and one of the service unit slots comprise the same slot, thus permitting flexible configuration of the device within a minimal space. In a further illustrative embodiment, a control unit slot is provided in the interconnection system, and connected as a hub to the line unit slot, the switch fabric slot, and the service unit slots to form a third star interconnection configuration. A service unit is also disclosed, including a first backplane interface for connecting with an ATM star interconnect configuration within the network element, and a second backplane interface for connecting to an STM star interconnect configuration within said network element. The service unit further includes a third backplane interface to connect with a control star interconnect configuration within the network element.
    • 用于SONET网元的架构,例如混合STM / ATM分插复用器。 所公开的系统包括用于网络元件的互连系统,包括线路单元时隙,交换矩阵时隙和两个或更多个服务单元时隙。 线路单元插槽作为集线器连接到交换矩阵槽,并且服务单元以第一星形互连配置插槽。 交换矩阵槽作为集线器连接到线路单元插槽,并且服务单元以第二星形互连配置插槽。 星形互连配置提供不同单元之间的故障隔离,并允许更换故障单元,而不会干扰其他单元到集线器的链路。 在优选实施例中,交换结构时隙和服务单元时隙中的一个包括相同的时隙,从而允许设备在最小空间内的灵活配置。 在另一说明性实施例中,控制单元插槽设置在互连系统中,并且作为集线器连接到线路单元插槽,交换结构插槽和服务单元插槽以形成第三星形互连配置。 还公开了一种服务单元,包括用于与网络元件内的ATM星形互连配置连接的第一背板接口和用于连接到所述网络元件内的STM星形互连配置的第二背板接口。 服务单元还包括第三背板接口,以与网络元件内的控制星形互连配置连接。