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    • 1. 发明申请
    • ATM UTOPIA BUS SNOOPER SWITCH
    • 自动柜员机UTOPIA BUS SNOOPER SWITCH
    • WO2002073899A1
    • 2002-09-19
    • PCT/US2002/009200
    • 2002-03-13
    • OCCAM NETWORKSRUMER, Mark
    • RUMER, Mark
    • H04L12/28
    • H04Q11/0478H04L2012/5613H04L2012/5615
    • A communication bus snooper switch (28) includes an inbound cell queue coupled to receive ATM cells from a number of ATM physical layer interfaces (22) across a common inbound bus (26). An out-bound cell queue (which may be the same queue as the inbound cell queue when a dual port queue is used) is coupled to provide the ATM cells to separate ATM termination points according cell address information across separate out-bound busses (30a, 30b). Each of the out-bound busses is associated with one of the ATM termination points. The snooper switch (28) is configured to operate as an ATM bus master (32a) when communicating with the physical layer interfaces (22) and as a ATM bus slave (32b) when communicating with the ATM termination points. During transmit operations, cells from the various ATM termination points are queued in corresponding transmission cell queues within the snooper switch (28) and, thereafter, provided to the ATM physical layer interfaces (22) according to an arbitration scheme implemented at the snooper switch (28).
    • 通信总线侦听开关(28)包括耦合以跨越公共入站总线(26)从多个ATM物理层接口(22)接收ATM信元的入站单元队列。 外联单元队列(当使用双端口队列时可以与入站单元队列相同的队列)被耦合以提供ATM信元,以跨单独的出站总线(30a)的单元地址信息来分离ATM终端点 ,30b)。 每个出站总线与一个ATM终端点相关联。 当与ATM终端点进行通信时,所述侦听开关(28)被配置为当与所述物理层接口(22)和作为ATM总线从设备(32b)通信时,作为ATM总线主机(32a)操作。 在发送操作期间,来自各种ATM终端点的小区在窥探交换机(28)内对应的传输小区队列中排队,然后根据在窥探者交换机(实施例2)处实施的仲裁方案提供给ATM物理层接口(22) 28)。
    • 6. 发明申请
    • OPTICAL ETHERNET OVERLAY FOR LOOP TOPOLOGY NETWORK
    • 用于环路拓扑网络的光学以太网覆盖
    • WO2002089381A1
    • 2002-11-07
    • PCT/US2002/012158
    • 2002-04-17
    • OCCAM NETWORKSRUMER, Mark
    • RUMER, Mark
    • H04J14/02
    • H04J14/0293H04J14/0212H04J14/0226H04J14/0241H04J14/0283H04J2203/0042
    • A telecommunications network having a ring topology overlaid with an Ethernet. An add/drop multiplexer (ADM) employing wave division multiplexing (WDM) hardware is implemented at each node of a multi-node fiber-based network (100). The ADM (110A) contains a robust protection scheme for reliability. The WDM allows the data traffic of the incumbent network, for example, a SONET network, to be carried over one or more frequencies while the data traffic of one or more packet-based networks may be carried over one or more other frequencies. Each ADM has protection switches, for example, micro-electromechanical switches. The protection switches provide a no-load bypass capability. A failed node can be shunted from the ring, allowing the Ethernet data to bypass the node uninterrupted. The switches also provide a self-test capability. The ADM interfaces can be checked by coupling the receiving path and the transmission path. This allows the ADM transceivers to communicate with each other.
    • 具有覆盖有以太网的环形拓扑的电信网络。 在多节点光纤网络(100)的每个节点处实现采用波分复用(WDM)硬件的分插复用器(ADM)。 ADM(110A)包含可靠性的强大的保护方案。 WDM允许现有网络(例如,SONET网络)的数据业务在一个或多个频率上承载,同时一个或多个基于分组的网络的数据业务可以在一个或多个其他频率上承载。 每个ADM都有保护开关,例如微机电开关。 保护开关提供无负载旁路功能。 故障节点可以从环路分流,允许以太网数据绕过节点不间断。 交换机还提供自检功能。 可以通过耦合接收路径和传输路径来检查ADM接口。 这允许ADM收发器相互通信。
    • 7. 发明申请
    • FREE SPACE OPTICAL
    • 免费空间光学“背景”(FSO)
    • WO2002088788A1
    • 2002-11-07
    • PCT/US2002/012157
    • 2002-04-17
    • OCCAM NETWORKSRUMER, MarkJEFFRIES, Ronald
    • RUMER, MarkJEFFRIES, Ronald
    • G02B6/00
    • G02B6/43G02B6/4245G02B6/4284
    • A system having a free space optical transmission capability for data and/or control interconnection is described. Switch cards (200), having corresponding pairs of laser transmitters (205) and photodetectors (210) are placed in a chassis (300) at each end facing each other. Each laser transmitter/photodetector (LTPD) pair of one switch card (200) is targeted to a corresponding photodetector/laser transmitter (PDLT) pair of the other. System line cards have LTPD pair on one side and a PDLT pair on the other side. A line card is positioned in the chassis so that the LTPD pair is aligned with a corresponding PDLT pair on one switch card and the PDLT pair is aligned with a corresponding LTPD pair on the other switch card. The line card may, therefore, communicate with either switch card. The line cards contain apertures (435) so that communication between other line cards and the switch cards is not observed.
    • 描述了一种具有用于数据和/或控制互连的自由空间光传输能力的系统。 具有对应的激光发射器对(205)和光电检测器(210)的开关卡(200)被放置在彼此面对的每个端部的底盘(300)中。 一个开关卡(200)的每个激光发射器/光电检测器(LTPD)对被瞄准到相应的光电检测器/激光发射器(PDLT)对。 系统线卡在一侧具有LTPD对,另一侧具有PDLT对。 线卡位于机箱中,使LTPD对与一个开关卡上相应的PDLT对对齐,PDLT对与另一个开关卡上相应的LTPD对对齐。 因此,线卡可以与任一开关卡通信。 线卡包含孔(435),使得不会观察到其它线卡与开关卡之间的通信。