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公开(公告)号：US6144736A
公开(公告)日：2000-11-07
申请号：US346406
申请日：1999-07-01
CPC分类号： H04M7/0096 , H04M19/005 , H04M19/02 , H04M3/005
摘要： A technique for powering telephone lines using an unbalance current source and current sink; and a technique for improving attenuation/frequency distribution and return loss (impedance matching) of transformer-coupled wire-line communications circuits by using secondary series capacitance and an AC current pump signal source; and a generation of ringing voltage as positive voltage pulses with respect to a negative power supply voltage; and a technique for removal of AC power ripple by using an active linear floating filter for the purpose of powering telephone line circuits, and a technique for injection of real time tone samples into T1 transmissions circuits by use of a T1 framer idle code register. The combination of the above five circuit techniques provides for the hardware implementation of a single printed circuit board embodiment (Line Interface Unit LIU) of a plurality of communications functions including a T1 channel service unit, a ringing generator, power converters, a ringback tone generator, and a channel bank controller. The LIU supports selectable T1 standards of communications. The invention solves telephone line interface, power filtering, ringing generation, and tone injection problems with lower component complexity, costs, and physical size than prior art solutions.
摘要翻译： 使用不平衡电流源和电流接收器为电话线供电的技术; 以及通过使用次级串联电容和交流电流泵浦信号源来改善变压器耦合有线通信电路的衰减/频率分布和回波损耗（阻抗匹配）的技术; 并产生相对于负电源电压的正电压脉冲的振铃电压; 以及通过使用用于为电话线路电路供电的有源线性浮动滤波器来消除AC电力纹波的技术，以及通过使用T1成帧器空闲码寄存器将实时音调样本注入到T1传输电路中的技术。 上述五种电路技术的组合提供了包括T1信道服务单元，振铃发生器，功率转换器，回铃音发生器的多个通信功能的单个印刷电路板实施例（线路接口单元LIU）的硬件实现 ，以及频道银行控制器。 LIU支持可选择的T1通信标准。 本发明解决了电话线路接口，功率滤波，振铃发生和色调注入问题，其具有比现有技术解决方案更低的组件复杂性，成本和物理尺寸。
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公开(公告)号：US5768368A
公开(公告)日：1998-06-16
申请号：US781487
申请日：1997-01-10
CPC分类号： H04M7/0096 , H04M19/005 , H04M19/02 , H04M3/005
摘要： A technique for powering telephone lines using an unbalance current source and current sink; and a technique for improving attenuation/frequency distribution and return loss (impedance matching) of transformer-coupled wire-line communications circuits by using secondary series capacitance and an AC current pump signal source; and a generation of ringing voltage as positive voltage pulses with respect to a negative power supply voltage; and a technique for removal of AC power ripple by using an active linear floating filter for the purpose of powering telephone line circuits, and a technique for injection of real time tone samples into T1 transmissions circuits by use of a T1 framer idle code register. The combination of the above five circuit techniques provides for the hardware implementation of a single printed circuit board embodiment (Line Interface Unit LIU) of a plurality of communications functions including a T1 channel service unit, a ringing generator, power converters, a ringback tone generator, and a channel bank controller. The LIU supports selectable T1 standards of communications. Dual 12-channel telephone line voice cards plug into the LIU card to provide a complete T1 channel bank control process and apparatus. The invention solves telephone line interface, power filtering, ringing generation, and tone injection problems with lower component complexity, costs, and physical size than prior art solutions.
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公开(公告)号：US5740241A
公开(公告)日：1998-04-14
申请号：US440099
申请日：1995-05-12
CPC分类号： H04M7/0096 , H04M19/005 , H04M19/02 , H04M3/005
摘要： A technique for powering telephone lines using an unbalance current source and current sink; and a technique for improving attenuation/frequency distribution and return loss (impedance matching) of transformer-coupled wire-line communications circuits by using secondary series capacitance and an AC current pump signal source; and a generation of ringing voltage as positive voltage pulses with respect to a negative power supply voltage; and a technique for removal of AC power ripple by using an active linear floating filter for the purpose of powering telephone line circuits, and a technique for injection of real time tone samples into T1 transmissions circuits by use of a T1 framer idle code register. The combination of the above five circuit techniques provides for the hardware implementation of a single printed circuit board embodiment (Line interface Unit LIU) of a plurality of communications functions including a T1 channel service unit, a ringing generator, power converters, a ringback tone generator, and a channel bank controller. The LIU supports selectable T1 standards of communications. Dual 12-channel telephone line voice cards plug into the LIU card to provide a complete T1 channel bank control process and apparatus. The invention solves telephone line interface, power filtering, ringing generation, and tone injection problems with lower component complexity, costs, and physical size than prior art solutions.
摘要翻译： 使用不平衡电流源和电流接收器为电话线供电的技术; 以及通过使用次级串联电容和交流电流泵浦信号源来改善变压器耦合有线通信电路的衰减/频率分布和回波损耗（阻抗匹配）的技术; 并产生相对于负电源电压的正电压脉冲的振铃电压; 以及通过使用用于为电话线路电路供电的有源线性浮动滤波器来消除AC电力纹波的技术，以及通过使用T1成帧器空闲码寄存器将实时音调样本注入到T1传输电路中的技术。 上述五种电路技术的组合提供了多个通信功能的单个印刷电路板实施例（线路接口单元LIU）的硬件实现，包括T1信道服务单元，振铃发生器，功率转换器，回铃音发生器 ，以及频道银行控制器。 LIU支持可选择的T1通信标准。 双路12通道电话线路语音卡插入LIU卡，提供完整的T1通道银行控制流程和设备。 本发明解决了电话线路接口，功率滤波，振铃发生和色调注入问题，其具有比现有技术解决方案更低的组件复杂性，成本和物理尺寸。
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公开(公告)号：US06879603B1
公开(公告)日：2005-04-12
申请号：US09493312
申请日：2000-01-28
申请人： Roger L. Koenig , Tim P. Groth , Matthew D. Morris , James Michael Dougherty , Gordon K. Francis
发明人： Roger L. Koenig , Tim P. Groth , Matthew D. Morris , James Michael Dougherty , Gordon K. Francis
CPC分类号： H04Q11/08 , H04Q2213/1305 , H04Q2213/13106 , H04Q2213/13107 , H04Q2213/13216 , H04Q2213/13292 , H04Q2213/13299 , H04Q2213/1332 , H04Q2213/13322 , H04Q2213/1334 , H04Q2213/1336 , H04Q2213/13361 , H04Q2213/13362 , H04Q2213/13393 , H04Q2213/13396
摘要： A technique for performing a time slot interchange in a processor. The TSI process is surrounded by a multiplexing/demultiplexing circuit for converting a plurality of PCM highways into a single input serial data stream. The mux/demux circuit includes elastic stores to align frames and shift resisters to mux/demux with a minimum of delay. The TSI processor includes an input and an output buffered series port, a pair of input buffers, one to receive even-numbered frames from the PCM highways and one to receive odd-numbered frames, and an output buffer. Data is read from the appropriate input buffer in a non-sequential fashion as commanded by the processor in accordance with information stored in connection arrays (address buffers). The data is then written to the output buffer sequentially. The timing of the reading and writing steps is optimized relative to free running buffered serial port pointers for each BSP to reduce the frame delay.
摘要翻译： 一种用于在处理器中执行时隙交换的技术。 TSI处理被用于将多个PCM高速公路转换成单个输入串行数据流的复用/解复用电路包围。 多路复用/解复用电路包括弹性存储器，用于对准框架并且以最小的延迟将移位寄存器复用到多路复用器/解复用器。 TSI处理器包括输入和输出缓冲串行端口，一对输入缓冲器，一个从PCM高速公路接收偶数帧，一个接收奇数帧，一个输出缓冲器。 根据存储在连接阵列（地址缓冲器）中的信息，处理器按照非顺序方式从适当的输入缓冲器读取数据。 然后将数据顺序写入输出缓冲器。 阅读和写入步骤的时序相对于每个BSP的免费运行缓冲串行端口指针进行优化，以减少帧延迟。
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公开(公告)号：US06275510B1
公开(公告)日：2001-08-14
申请号：US09449190
申请日：1999-11-24
申请人： Roger L. Koenig , S. Christopher Alaimo , Thomas E. Bullington , Phillip D. Clark , Kenneth C. Grobaski , Matthew D. Morris , Kirkton I. Shoop , Michael A. Trofi
发明人： Roger L. Koenig , S. Christopher Alaimo , Thomas E. Bullington , Phillip D. Clark , Kenneth C. Grobaski , Matthew D. Morris , Kirkton I. Shoop , Michael A. Trofi
IPC分类号： H04J304
CPC分类号： H04J3/14 , H04J3/1641 , H04L1/22
摘要： A multiplexer for multiplexing and demultiplexing signals between a low-speed network and a higher speed network includes 7 quad DSX-1 cards and 1 spare card. The spare card is connected to the DSX-1 cards to allow the spare card to automatically be switched in for one of the DSX-1 cards or to allow interface electronics on the spare card to replace selected ones of interface electronics on different DSX-1 cards simultaneously. A pair of controller cards, a primary card and a secondary card, perform M1-3 multiplexing and demultiplexing and the DS-3 framing and transceiving. The controller cards can be selected or deselected in a short time period alarms are not set off and so that the transition is hitless by electronically enabling and disabling the transceiver. The multiplexer is connectable to 2 different T-3 links to provide network redundancy. An array of relays connected either controller card to either of the T-3 links. The controller cards are externally connectable to a computer network for external control thereof. The multiplexer is housed within a reduced volume which occupies a single rack unit on a standard vertical rack used for telecommunications equipment due to a dual backplane architecture in which an external backplane serves as the external connector plane while a separate internal backplane serves as the connection to the DSX-1 cards and controller cards.
摘要翻译： 用于在低速网络和高速网络之间复用和解复用信号的多路复用器包括7个四路DSX-1卡和1个备用卡。 备用卡连接到DSX-1卡，以允许备用卡自动切换到其中一个DSX-1卡，或允许备用卡上的接口电子元件替换不同DSX-1上的所选接口电子设备 卡片同时 一对控制器卡，主卡和辅助卡，执行M1-3复用和解复用和DS-3框架和收发。 控制器卡可以在短时间内选择或取消选择，警报不会关闭，从而通过电子启用和禁用收发器来使转换无效。 多路复用器可连接到2个不同的T-3链路，以提供网络冗余。 一组继电器将控制器卡连接到任一T-3链路。 控制器卡可外部连接到计算机网络以进行外部控制。 多路复用器容纳在减小的体积内，由于双背板架构，其中外部背板用作外部连接器平面，而单独的内部背板用作连接到电缆设备的标准垂直架上的单个机架单元 DSX-1卡和控制卡。
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公开(公告)号：US5991312A
公开(公告)日：1999-11-23
申请号：US962757
申请日：1997-11-03
申请人： Roger L. Koenig , S. Christopher Alaimo , Thomas E. Bullington , Phillip D. Clark , Kenneth C. Grobaski , Matthew D. Morris , Kirkton I. Shoop , Michael A. Trofi
发明人： Roger L. Koenig , S. Christopher Alaimo , Thomas E. Bullington , Phillip D. Clark , Kenneth C. Grobaski , Matthew D. Morris , Kirkton I. Shoop , Michael A. Trofi
CPC分类号： H04J3/14 , H04J3/1641 , H04L1/22
摘要： A multiplexer device for multiplexing and demultiplexing signals between a low-speed network including 28 DSX-1 signals and a relatively higher speed network including a DS-3 signal. The multiplexer device includes 7 quad DSX-1 cards and 1 spare card. The spare card is connected to the other 7 DSX-1 cards in a fashion that allows the spare card to automatically be switched in for one of the DSX-1 cards or to allow interface electronics on the spare card to replace selected ones of the interface electronics on various different DSX-1 cards simultaneously. A pair of controller cards, a primary card and a secondary card, perform the M1-3 multiplexing and demultiplexing and the DS-3 framing and transceiving. The controller cards can be selected or deselected by distributed logic in a sufficiently short time period so that alarms are not set off and so that the transition is hitless. This is accomplished by electronically enabling and disabling the transceiver. The multiplexer device is connectable to 2 different T-3 links to provide network redundancy. An array of relays provides for the connection of either controller card to either of the T-3 links. The controller cards are externally connectable to a computer network such as an Ethernet for external control thereof through SNMP or Telnet sessions. The multiplexer device is housed within a significantly reduced volume which occupies only a single rack unit on a standard 19" or 23" wide vertical rack used for telecommunications equipment. The significantly reduced volume is partially due to a dual backplane architecture in which an external backplane serves as the external connector plane while a separate internal backplane serves as the connection to the various DSX-1 cards and controller cards.
摘要翻译： 一种用于在包括28个DSX-1信号的低速网络和包括DS-3信号的相对较高速度网络之间复用和解复用信号的多路复用器装置。 多路复用器装置包括7个四路DSX-1卡和1个备用卡。 备用卡以其他7个DSX-1卡连接，允许备用卡自动切换到其中一个DSX-1卡，或允许备用卡上的接口电子元件更换所选接口 电子元件在各种不同的DSX-1卡上同时进行。 一对控制器卡，主卡和辅助卡，执行M1-3复用和解复用和DS-3框架和收发。 控制器卡可以在足够短的时间周期内由分布式逻辑选择或取消选择，从而不会引起报警，从而使转换无效。 这是通过电子启用和禁用收发器来实现的。 多路复用器可连接到2个不同的T-3链路，以提供网络冗余。 一组继电器提供了将控制器卡连接到任何一个T-3链路。 控制器卡可通过SNMP或Telnet会话从外部连接到诸如以太网的计算机网络以进行外部控制。 复用器装置容纳在显着减小的体积中，其仅占用于用于电信设备的标准19“或23”宽垂直架上的单个机架单元。 显着减小的体积部分是由于双背板架构，其中外部背板用作外部连接器平面，而单独的内部背板用作与各种DSX-1卡和控制器卡的连接。
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公开(公告)号：US5881148A
公开(公告)日：1999-03-09
申请号：US48691
申请日：1998-03-26
CPC分类号： H04M7/0096 , H04M19/005 , H04M19/02 , H04M3/005
摘要： A technique for powering telephone lines using an unbalanced current source and current sink; and a technique for improving attenuation/frequency distribution and return loss (impedance matching) of transformer-coupled wire-line communications circuits by using secondary series capacitance and an AC current pump signal source; and a generation of ringing voltage as positive voltage pulses with respect to a negative power supply voltage; and a technique for removal of AC power ripple by using an active linear floating filter for the purpose of powering telephone line circuits, and a technique for injection of real time tone samples into T1 transmissions circuits by use of a T1 framer idle code register. The combination of the above five circuit techniques provides for the hardware implementation of a single printed circuit board embodiment (Line Interface Unit LIU) of a plurality of communications functions including a T1 channel service unit, a ringing generator, power converters, a ringback tone generator, and a channel bank controller. The LIU supports selectable T1 standards of communications. Dual 12-channel telephone line voice cards plug into the LIU card to provide a complete T1 channel bank control process and apparatus. The invention solves telephone line interface, power filtering, ringing generation, and tone injection problems with lower component complexity, costs, and physical size than prior art solutions.
摘要翻译： 使用不平衡电流源和电流电源为电话线供电的技术; 以及通过使用次级串联电容和交流电流泵浦信号源来改善变压器耦合有线通信电路的衰减/频率分布和回波损耗（阻抗匹配）的技术; 并产生相对于负电源电压的正电压脉冲的振铃电压; 以及通过使用用于为电话线路电路供电的有源线性浮动滤波器来消除AC电力纹波的技术，以及通过使用T1成帧器空闲码寄存器将实时音调样本注入到T1传输电路中的技术。 上述五种电路技术的组合提供了包括T1信道服务单元，振铃发生器，功率转换器，回铃音发生器的多个通信功能的单个印刷电路板实施例（线路接口单元LIU）的硬件实现 ，以及频道银行控制器。 LIU支持可选择的T1通信标准。 双路12通道电话线路语音卡插入LIU卡，提供完整的T1通道银行控制流程和设备。 本发明解决了电话线路接口，功率滤波，振铃发生和色调注入问题，其具有比现有技术解决方案更低的组件复杂性，成本和物理尺寸。
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公开(公告)号：US5870466A
公开(公告)日：1999-02-09
申请号：US781486
申请日：1997-01-10
CPC分类号： H04M7/0096 , H04M19/005 , H04M19/02 , H04M3/005
摘要： A technique for powering telephone lines using an unbalance current source and current sink; and a technique for improving attenuation/frequency distribution and return loss (impedance matching) of transformer-coupled wire-line communications circuits by using secondary series capacitance and an AC current pump signal source; and a generation of ringing voltage as positive voltage pulses with respect to a negative power supply voltage; and a technique for removal of AC power ripple by using an active linear floating filter for the purpose of powering telephone line circuits, and a technique for injection of real time tone samples into T1 transmissions circuits by use of a T1 framer idle code register.The combination of the above five circuit techniques provides for the hardware implementation of a single printed circuit board embodiment (Line Interface Unit LIU) of a plurality of communications functions including a T1 channel service unit, a ringing generator, power converters, a ringback tone generator, and a channel bank controller. The LIU supports selectable T1 standards of communications. Dual 12-channel telephone line voice cards plug into the LIU card to provide a complete T1 channel bank control process and apparatus. The invention solves telephone line interface, power filtering, ringing generation, and tone injection problems with lower component complexity, costs, and physical size than prior art solutions.
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9.发明授权公开(公告)号：US06351452B1
公开(公告)日：2002-02-26
申请号：US09233007
申请日：1999-01-19
申请人： Roger L. Koenig , S. Christopher Alaimo , Timothy Groth , Debra M. Rose , Shri B. Dodani , Raviraj Edwards , Bharat S. Shah , Kenneth M. Stevens , Matthew Morris
发明人： Roger L. Koenig , S. Christopher Alaimo , Timothy Groth , Debra M. Rose , Shri B. Dodani , Raviraj Edwards , Bharat S. Shah , Kenneth M. Stevens , Matthew Morris
IPC分类号： H04L1228
CPC分类号： H04Q1/028 , H04J3/14 , H04J3/1623
摘要： A telecommunication device for receiving and transmitting DS1 level signals that includes a 1/0 digital cross-connect switch, a GR-303 concentrator, and a frame relay aggregator switch in a single integrated device in one housing that fills less than two standard rack units. The device includes both active and standby/backup controller cards that communicate with eight quad framer cards through a bus located in the backplane. The communication through the backplane is via a 8.192 Mbps signal to and from each quad framer card, passed along a bus. The 8.192 Mbps signal is generated by multiplexing the four DS1 (E-1) signals on the quad framer card. The controller card that is active monitors the status of the DS1 channel associated with each framer and stores historical data about the status in spare buffer registers on each framer. Whenever a transition occurs to the standby/backup controller card, that card can obtain the historical status information from the framers to make the transition more seamless. The device also includes software that is interrupted on signaling bit changes, so that a software program can control a digital cross-connect of the signaling bits, and translation if necessary.
摘要翻译： 一种电信设备，用于在一个外壳中接收和发送包含1/0数字交叉连接交换机，GR-303集中器和帧中继集线器开关的DS1电平信号，该单体集成设备填充少于两个标准机架单元 。 该设备包括通过位于背板中的总线与八个四帧成帧器卡通信的主动和备用/备用控制器卡。 通过背板的通信是通过一条8.192 Mbps的信号往返于每个四路成帧卡，沿着总线传递。 8.192 Mbps信号是通过复用四个成帧器卡上的四个DS1（E-1）信号来产生的。 有效的控制器卡监控与每个成帧器相关联的DS1通道的状态，并将有关状态的历史数据存储在每个成帧器的备用缓冲寄存器中。 每当备用/备用控制器卡发生转换时，该卡可以从成帧器获取历史状态信息，使转换更为无缝。 该设备还包括在信令位改变时中断的软件，使得软件程序可以控制信令位的数字交叉连接，并且如果需要可以进行转换。
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公开(公告)号：US6101198A
公开(公告)日：2000-08-08
申请号：US760103
申请日：1996-12-03
申请人： Roger L. Koenig , Tim P. Groth , Matthew D. Morris , James Michael Dougherty , Gordon K. Francis
发明人： Roger L. Koenig , Tim P. Groth , Matthew D. Morris , James Michael Dougherty , Gordon K. Francis
CPC分类号： H04Q11/08 , H04Q2213/1305 , H04Q2213/13106 , H04Q2213/13107 , H04Q2213/13216 , H04Q2213/13292 , H04Q2213/13299 , H04Q2213/1332 , H04Q2213/13322 , H04Q2213/1334 , H04Q2213/1336 , H04Q2213/13361 , H04Q2213/13362 , H04Q2213/13393 , H04Q2213/13396
摘要： A technique for performing a time slot interchange in a processor. The TSI process is surrounded by a multiplexing/demultiplexing circuit for converting a plurality of PCM highways into a single input serial data stream. The mux/demux circuit includes elastic stores to align frames and shift resisters to mux/demux with a minimum of delay. The TSI processor includes an input and an output buffered serial port, a pair of input buffers, one to receive even-numbered frames from the PCM highways and one to receive odd-numbered frames, and an output buffer. Data is read from the appropriate input buffer in a non-sequential fashion as commanded by the processor in accordance with information stored in connection arrays (address buffers). The data is then written to the output buffer sequentially. The timing of the reading and writing steps is optimized relative to free running buffered serial port pointers for each BSP to reduce the frame delay.
摘要翻译： 一种用于在处理器中执行时隙交换的技术。 TSI处理被用于将多个PCM高速公路转换成单个输入串行数据流的复用/解复用电路包围。 多路复用/解复用电路包括弹性存储器，用于对准框架并且以最小的延迟将移位寄存器复用到多路复用器/解复用器。 TSI处理器包括一个输入和一个输出缓冲串行端口，一对输入缓冲器，一个从PCM高速公路接收偶数帧，一个接收奇数帧，一个输出缓冲器。 根据存储在连接阵列（地址缓冲器）中的信息，处理器按照非顺序方式从适当的输入缓冲器读取数据。 然后将数据顺序写入输出缓冲器。 阅读和写入步骤的时序相对于每个BSP的免费运行缓冲串行端口指针进行优化，以减少帧延迟。
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