Transmission of ATM cells
    1.
    发明授权
    Transmission of ATM cells 失效
    ATM信元的传输

    公开(公告)号:US6081530A

    公开(公告)日:2000-06-27

    申请号:US977198

    申请日:1997-11-24

    IPC分类号: H04L12/56 H04Q11/04 H04Q11/00

    摘要: A system and method of transmitting data cells are disclosed. The system includes a data transmitting and receiving unit including transceiver circuitry, a main backplane interface, and backplane interconnection circuitry. The transceiver circuitry transmits and receive data cells over the data link, the main backplane interface provides physical interconnection to the backplane, and the backplane interconnection circuitry transmits and receives cells. The main backplane interface including at least one cell signal terminal and at least one operations data signal terminal. The operations data signal terminals are separate from the cell signal terminals. The operations data signal terminals and the cell signal terminals are configured to connect to mating connectors on a backplane. Backplane interconnection circuitry couples the transceiver circuitry to the main backplane interface. The interconnection circuitry receives data cells from the transceiver circuitry and transmit them over cell signal terminals, receives data cells from the cell signal terminals and provide them to the transceiver circuitry for transmission over the first data link, and transmit and receive operations data over the operations data signal terminals. The method includes asserting a signal indicating the priority of a cell to be transmitted over the backplane, receiving on a second backplane signal line a signal that the apparatus may begin transmitting the data cell, and transmitting bits of the data cell on a third backplane signal line after receiving the signal that the apparatus may begin transmitting the data cell.

    摘要翻译: 公开了传输数据单元的系统和方法。 该系统包括数据发射和接收单元,其包括收发器电路,主背板接口和背板互连电路。 收发器电路通过数据链路发送和接收数据信元,主背板接口提供与背板的物理互连,并且背板互连电路发送和接收信元。 主背板接口包括至少一个单元信号端子和至少一个操作数据信号端子。 操作数据信号端子与单元信号端子分开。 操作数据信号端子和单元信号端子被配置为连接到背板上的配合连接器。 背板互连电路将收发器电路耦合到主背板接口。 互连电路从收发器电路接收数据单元并通过单元信号端子发送它们,从单元信号端子接收数据单元,并将它们提供给收发器电路以在第一数据链路上进行传输,并通过操作发送和接收操作数据 数据信号端子。 该方法包括断言指示要在背板上发送的小区的优先级的信号,在第二背板信号线上接收装置可以开始发送数据信元的信号,以及在第三背板信号上发送数据信元的比特 在接收到装置可以开始发送数据信元的信号之后的线路。

    Line card with modem interace
    2.
    发明授权
    Line card with modem interace 失效
    线路卡与调制解调器interace

    公开(公告)号:US6128300A

    公开(公告)日:2000-10-03

    申请号:US984419

    申请日:1997-12-03

    申请人: Fred Horton

    发明人: Fred Horton

    摘要: An apparatus and methods for communicating data over a voice-band communications loop are disclosed. The apparatus includes transceiver circuitry, a backplane interface, backplane interconnection circuitry, and signaling circuitry. The transceiver circuitry transmits and receives voice-band modulated data over the communications loop. The backplane interface provides for physical interconnection to the backplane. Backplane interconnection circuitry couples the transceiver circuitry and the backplane interface to each other for data transmission to enable the exchange of digital data between the transceiver and the backplane. The signaling circuitry transmits and receives POTS call control signals over the communications loop. A method for receiving voice-band data is disclosed. The method includes establishing a voice-band connection over the communications loop, receiving a voice-band modulated data signal, converting the voice-band modulated data signal to digital data, and transmitting the digital data over a backplane bus. A method of transmitting voice-band data is also disclosed. The method includes establishing a voice-band connection over the communications loop, receiving digital data over a backplane bus, converting the digital data to a voice-band modulated data signal, and transmitting the voice-band modulated data signal over the communications loop.

    摘要翻译: 公开了一种用于通过语音频带通信环路传送数据的装置和方法。 该装置包括收发器电路,背板接口,背板互连电路和信令电路。 收发器电路通过通信环路发送和接收语音频带调制数据。 背板接口提供与背板的物理互连。 背板互连电路将收发器电路和背板接口彼此耦合以用于数据传输,以实现收发器与背板之间的数字数据交换。 信令电路通过通信环路发送和接收POTS呼叫控制信号。 公开了一种接收语音带数据的方法。 该方法包括通过通信环路建立语音带连接,接收语音频带调制数据信号,将语音带调制数据信号转换成数字数据,以及通过背板总线发送数字数据。 还公开了一种发送语音带数据的方法。 该方法包括通过通信环路建立语音带连接,通过背板总线接收数字数据,将数字数据转换成语音频带调制数据信号,以及通过通信环路发送语音频带调制数据信号。

    Power conservation for pots and modulated data transmission
    3.
    发明授权
    Power conservation for pots and modulated data transmission 失效
    锅的节能和调制数据传输

    公开(公告)号:US5956323A

    公开(公告)日:1999-09-21

    申请号:US903504

    申请日:1997-07-30

    申请人: Bruce H. Bowie

    发明人: Bruce H. Bowie

    摘要: Methods and apparatus for conserving power in terminal units that transmit and receive modulated data over a communications loop that is shared with voiceband telephone equipment are disclosed. The methods include monitoring the loop to detect a shut-down condition and reducing power consumption of certain of the electronic circuits in the terminal unit upon detection of a shut-down condition. The methods also include monitoring the loop with a monitoring circuit to detect a resume signal outside the voiceband frequency range on the loop and restoring power to the electronic circuits when the resume signal is detected. The apparatuses include a modulated data transmitting and receiving unit having a connector for coupling the unit to a communications loop, circuitry to transmit and receive a modulated data signal in a frequency range above voiceband, and circuitry to detect a resume signal in the frequency range above voiceband and then to initiate a power up sequence for the transmit and receive circuitry.

    摘要翻译: 公开了用于在通过与语音频带电话设备共享的通信环路上发送和接收调制数据的终端单元中节省功率的方法和装置。 所述方法包括:在检测到停机状态时监视该回路以检测关闭状态并降低终端单元中某些电子电路的功耗。 这些方法还包括用监视电路监测回路,以检测回路上的语音频带范围之外的恢复信号,并且当检测到恢复信号时恢复到电子电路的电力。 这些设备包括调制数据发送和接收单元,其具有用于将单元耦合到通信环路的连接器,用于在高于语音频带的频率范围内发送和接收调制数据信号的电路以及检测上述频率范围内的恢复信号的电路 语音频带,然后启动发送和接收电路的上电序列。

    Line card shelf
    4.
    发明授权
    Line card shelf 失效
    线卡架

    公开(公告)号:US5999621A

    公开(公告)日:1999-12-07

    申请号:US902764

    申请日:1997-07-30

    CPC分类号: H04Q1/14

    摘要: A line card shelf is disclosed. The line card shelf includes groups of line card receptacle connectors. Each receptacle connector has electrical contacts receiving corresponding line card contacts. Each group of receptacle connectors is coupled to at least two external connectors that terminate an inside or outside wiring cable bundle. Each receptacle in each group is connected to each external connector of the receptacle's group by a two-conductor signal path between a pair of electrical contacts in the receptacle and a unique pair of external electrical contacts in the external connector.

    摘要翻译: 公开了一种线卡架。 线卡架包括一组线卡插座连接器。 每个插座连接器具有接收对应的线卡触点的电触头。 每组插座连接器耦合到端接内部或外部布线电缆束的至少两个外部连接器。 每个组中的每个插座通过插座中的一对电触头之间的两芯信号路径和外部连接器中唯一的一对外部电触点连接到插座组的每个外部连接器。