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    • 81. 发明申请
    • AUTOMATED ACCESS NETWORK CROSS-CONNECT SYSTEM
    • 自动访问网络交叉连接系统
    • WO2006050185A2
    • 2006-05-11
    • PCT/US2005039118
    • 2005-10-28
    • UTSTARCOM INCKELLIHER TIMOTHY
    • KELLIHER TIMOTHY
    • H04M3/00H04M1/00H04M5/00H04M7/00H04M9/00
    • H04Q3/5455H04Q11/0067H04Q2011/0033H04Q2011/0039H04Q2213/1302H04Q2213/1304H04Q2213/13076H04Q2213/13106H04Q2213/13141H04Q2213/13214H04Q2213/13292H04Q2213/13302H04Q2213/1332H04Q2213/13322H04Q2213/1336
    • A system for automating cross connections in an access network. The automated cross connect system comprises of a plurality of upstream line interface circuits adapted for connection to upstream communication links, and a plurality of downstream line interface circuits adapted for connection to downstream communication links. The upstream and downstream line interface circuits are interconnected by an automated cross connect switch that selectively couples particular upstream line interface circuits to particular downstream line interface circuits, in response to routing commands sent from a command center. Thus, the automated cross connect system selectively establishes a bi-directional communication path between the upstream line interface circuits and the downstream line interface circuits, thereby providing a communication path between a selected upstream communication link and downstream communication link. The automated cross connect switch may be implemented in either a space or time multiplexing devices, such as a physical layer router, which comprises an array of cross connected multiplexers, or a time domain multiplexer switch, which composes an array of serializers connected to a time division multiplexed bus.
    • 用于在接入网络中自动进行交叉连接的系统。 自动交叉连接系统包括适于连接到上游通信链路的多个上游线路接口电路,以及适于连接到下游通信链路的多个下游线路接口电路。 上游和下游线路接口电路通过自动交叉连接交换机互连,自动交叉连接交换机响应于从命令中心发送的路由命令,将特定的上游线路接口电路选择性地耦合到特定的下游线路接口电路。 因此,自动交叉连接系统选择性地在上游线路接口电路和下游线路接口电路之间建立双向通信路径,由此提供所选择的上游通信链路和下游通信链路之间的通信路径。 自动交叉连接开关可以在空间或时间复用设备中实现,例如物理层路由器,其包括交叉连接的多路复用器阵列或时域多路复用器开关,其构成连接到时间的串行器阵列 多路复用总线。
    • 84. 发明申请
    • NETWORK OF COUPLED DATA UNITS IN A DIGITAL SWITCHING SYSTEM
    • 在数字交换系统连接网络的数据单元
    • WO00008872A2
    • 2000-02-17
    • PCT/DE1999/002444
    • 1999-08-04
    • H04Q11/04H04Q3/00
    • H04Q11/0407H04Q2213/13093H04Q2213/13103H04Q2213/13106H04Q2213/13107H04Q2213/13204H04Q2213/13214H04Q2213/1329H04Q2213/13336H04Q2213/1334H04Q2213/13393
    • Conventional digital switching systems have message buffers that possess a number of processors forming a store and forward network. Messages forwarded via switches can be sent from and to processors in such a network. A switch is required to have a message store since messages are sent irrespective of the ready-to-receive state of the receiver and irrespective of the availability of all line sections. The aim of the invention is to provide a network that can dispense with the storage of messages in the switch. The invention relates to a network of data units that are coupled and transmit messages to each other in a digital switching system, whereby the send data unit and the receive data unit comprise means for performing handshakes and the switch contains means (46) for reserving a data path in response to a handshake. The invention further relates to switching systems, especially message buffers contained therein.
    • 传统的数字交换系统具有消息分布,这有一个数字,形成存储和转发网络处理器。 在这样的网络消息从和到通过开关路由处理器发送。 因为消息被接收者和所有部分的可用性的接受性而不管发送,开关必须具有消息存储。 本发明具有的目的是提供在其中存储的消息中的开关不是必需的网络。 根据本发明,提供了一种与网络耦合的经由数据单元介质中的数字交换系统,其中的数据的发送器单元和所述接收器的数据单元包括用于用于保留一数据路径中执行握手和开关装置(46)的装置,以彼此的消息包括:响应于握手。 数字交换系统,在他们的新闻发布包含尤其如此。
    • 89. 发明申请
    • Method and apparatus for managing network synchronization information among multiple line cards
    • 用于管理多个线路卡之间的网络同步信息的方法和装置
    • US20090119535A1
    • 2009-05-07
    • US12283048
    • 2008-09-09
    • Adrian GrahSteven G. DriedigerJohn S. GrybaMichel Rochon
    • Adrian GrahSteven G. DriedigerJohn S. GrybaMichel Rochon
    • G06F1/04
    • G06F1/10H04J3/0688H04Q2213/13003H04Q2213/13167H04Q2213/13214H04Q2213/1332H04Q2213/1336
    • A method and apparatus for handling, maintaining, and controlling network synchronization information emanating from a plurality of line card circuits is described. The technique described may be applied to a redundant pair of line card circuits, where one line card circuit is active, while the other is inactive. Line card activity latches are managed by means of hardware logic that may be configured at the time of line card commissioning. The activity latches are coupled to a logic element. An incoming clock signal is applied to the logic element. If an activity latch indicates that a line card circuit is active, the logic element provides the incoming clock signal as an outgoing clock signal to a control card circuit. If the activity latch indicates that the line card circuit is inactive, the logic element blocks the incoming clock signal from being passed and provides a static output level as the outgoing clock signal to the control card circuit. The control card circuit is provided with circuitry to receive the outgoing clock signals from multiple line card circuits. The circuitry is sensitive to whether or not the line card circuits are configured for redundant operation. One or more of these clock signals are then selected and used for network synchronization.
    • 描述了一种用于处理,维护和控制从多个线路卡电路发出的网络同步信息的方法和装置。 所描述的技术可以应用于一对线路卡电路,其中一个线路卡电路是活动的,而另一个线路卡电路是不活动的。 线卡活动锁存器通过可在线路卡调试时配置的硬件逻辑来管理。 活动锁存器耦合到逻辑元件。 输入时钟信号被施加到逻辑元件。 如果活动锁存器指示线卡电路是有效的,则逻辑元件将输入时钟信号作为输出时钟信号提供给控制卡电路。 如果活动锁存器指示线路卡电路不活动,则逻辑元件阻止输入时钟信号被传递,并且将作为输出时钟信号的静态输出电平提供给控制卡电路。 控制卡电路设置有用于从多个线路卡电路接收输出时钟信号的电路。 电路对线卡电路是否配置为冗余操作非常敏感。 然后选择这些时钟信号中的一个或多个,并用于网络同步。