Abstract: A system includes a remote terminal unit (RTU) controller module. Each RTU controller module comprises a controller board configured to couple to a carrier board that includes first and second Ethernet ports. Each controller module comprises computer processing circuitry including the first and second MACs and configured to select to transmit a packet to the first Ethernet port through the first MAC and to alternatively select to transmit the packet to the second Ethernet port through the second MAC. Each controller module comprises an Ethernet switch configured to receive the packet from the first media access control (MAC) and transmit the packet to the first Ethernet port. Each controller module comprises a physical Ethernet interface (PHY) configured to receive the packet from the second MAC and transmit the packet to the second Ethernet port. The computer processing circuitry, the Ethernet switch, and the PHY are mounted on the controller board.

Abstract: A method, system, and computer program product, include obtaining a dataset related to a power grid collected by a plurality of sensors distributed in the power grid, identifying a region as a candidate fault region based on first data in the dataset, the first data being collected by a first sensor from among the plurality of sensors that is located in the region, and verifying the candidate fault region based on second data in the dataset, the second data being collected by a second sensor from among the plurality of sensors that is adjacent to the first sensor.

Abstract: An apparatus includes a remote terminal unit (RTU) having one or more input/output (I/O) modules and a controller module. Each of the one or more I/O modules includes multiple I/O channels. The controller module includes at least one processing device configured to communicate with at least one industrial field device via the I/O channels of the I/O modules. The controller module includes a first connector, and a first of the one or more I/O modules includes a second connector. The first connector is configured to be physically connected to the second connector, and the first and second connectors are configured to transport data and power directly between the controller module and the first I/O module.

Abstract: An apparatus includes a remote terminal unit (RTU) having a housing, where at least a portion of the housing includes a shell of thermally-conductive material. The RTU also includes at least one circuit board assembly having at least one processing device configured to communicate with one or more industrial control and automation field devices via one or more input/output (I/O) channels. The at least one circuit board assembly is positioned within the shell. The RTU further includes a heat sink configured to remove thermal energy from the at least one processing device. In addition, the RTU includes a thermal pad configured to receive the thermal energy from the heat sink and to provide the thermal energy to the shell.

Abstract: A system includes a remote terminal unit (RTU) and a portable storage medium (PSM), such as a secure digital (SD) card. The RTU includes processing circuitry. The RTU includes a portable storage interface configured to physically connect to the PSM and electrically couple the PSM to the processing circuitry. The RTU includes on-chip memory. The processing circuitry is configured to determine that the PSM is coupled to the processing circuitry and access a specified folder of the PSM. The processing circuitry is configured to: in response to determining that the PSM stores function code in the specified folder, perform a specified function corresponding to the function code by executing the function code.

Abstract: Embodiments of the present invention provide a power control method, device, and system, and relate to the field of communications technologies. The method is applied to a vectoring system, where the vectoring system includes multiple lines, each line includes multiple subcarriers, and for each subcarrier, a crosstalk channel is formed between the multiple lines, and the method includes: obtaining a closed subcarrier set of the multiple lines according to line crosstalk channel information corresponding to each subcarrier of the multiple subcarriers, where the closed subcarrier set includes a subcarrier set required to be closed on the multiple lines; and sending the closed subcarrier set of the multiple lines to a transceiver, and closing, by the transceiver, a transmit signal on a subcarrier required to be closed on each line.

Abstract: The present invention provides a method and an apparatus for training a Vector coefficient of a vectored digital subscriber line, where the method includes: after a handshake phase is executed for a joining line, calculating, by using a pilot estimation method, an initial precoding coefficient and an initial cancellation coefficient that represent interference from the joining line to a normal working line; and after a channel discovery phase is executed for the joining line, compensating the initial precoding coefficient and the initial cancellation coefficient by using a compensation factor, to obtain a precoding coefficient and a cancellation coefficient that represent the interference from the joining line to the normal working line, wherein the compensation factor is obtained according to a signal power change or a signal phase change of the joining line. The present invention improves efficiency of Vector coefficient training.

Abstract: A channel transmission characteristic obtaining method and apparatus, where the method includes obtaining transmission characteristic curves of at least two channels in a cable modem in a channel scanning manner, where the at least two channels form one contiguous frequency band, and frequencies corresponding to the transmission characteristic curves of the at least two channels include frequency values on a same order of magnitude, and amplitude values on a same order of magnitude, translating the transmission characteristic curves of the channels in an amplitude direction, to make amplitudes corresponding to same frequencies on all transmission characteristic curves overlapped in order to form one continuous curve, and setting the continuous curve as a transmission characteristic curve of the contiguous frequency band.

Abstract: A failure analysis method and device, where the method includes obtaining a frequency domain response amplitude of a channel from a hybrid fiber-coaxial (HFC) network, performing linear fitting on an effective portion of the frequency domain response amplitude to determine a channel slope value, and performing channel failure analysis according to the channel slope value. Failure analysis is performed according to the obtained channel slope value, and the channel slope value is a new failure analysis parameter. In this way, means of channel failure analysis increase, and channel failure analysis is more accurate.

Abstract: The present disclosure provides a charging system, charging method, and charging control device. The charging system comprises a charger configured to be coupled to an external power source with its one end; a plurality of secondary batteries configured to be coupled to the charger, respectively; and a control device configured to be coupled to the charger and the plurality of secondary batteries, to control the charger to perform a charging operation on the plurality of secondary battery. According to the present disclosure, the secondary batteries having harmonics with identical frequencies and opposite phases are connected in parallel for charging, to reduce or eliminate the harmonic distortion generated by high order harmonics, and effectively reduce the value of THD.

Abstract: An apparatus comprising a first transceiver unit (TU) for coupling to a first subscriber line, at least one next TU for coupling to at least one next subscriber line, and a processor coupled to the first TU and the at least one next TU, wherein the processor is configured to determine a link state in which data transmission is disabled for the duration of one or more symbols in a superframe, instruct the first TU to operate in the determined link state, and coordinate data transmission by the first TU and the at least one next TU to avoid an increase of crosstalk from the first line to the at least one next subscriber line due to the first TU operating in the determined link state.

Abstract: The present invention discloses a parameter obtaining method and apparatus. In this method, multiple signals are received over a communications link on a network, where each of the received signals is corresponding to a point on a complex plane; decision is performed on each of the received signals; for each of the received signals, an error signal between the received signal and a corresponding decision signal is determined; and a complex-plane distribution feature parameter used to indicate a distribution feature, on the complex plane, of the signals received over the communications link is determined according to all the determined error signals. In this method, an inaccurate maintenance result in manual analysis of a constellation diagram is avoided.

Abstract: According to embodiments of the present invention, the energy consumption assessment is done by identifying the benchmark production processes or enterprises. First, a process similarity between a target production process and a candidate production process is determined based on energy consumption units (ECUs) involved in the target production process and the candidate production process. In response to the process similarity being greater than a first threshold, an energy consumption similarity between the target production process and the candidate production process is determined based on a factor that has influence on energy consumption of at least one of the ECUs. In response to the energy consumption similarity being greater than a second threshold, the candidate production process is identified as a benchmark for assessing energy consumption of the target production process.

Abstract: A system includes a remote terminal unit (RTU) and a portable storage medium (PSM), such as a secure digital (SD) card. The RTU includes processing circuitry. The RTU includes a portable storage interface configured to physically connect to the PSM and electrically couple the PSM to the processing circuitry. The RTU includes on-chip memory. The processing circuitry is configured to determine that the PSM is coupled to the processing circuitry and access a specified folder of the PSM. The processing circuitry is configured to: in response to determining that the PSM stores function code in the specified folder, perform a specified function corresponding to the function code by executing the function code.

Abstract: A system includes a remote terminal unit (RTU) controller module. Each RTU controller module comprises a controller board configured to couple to a carrier board that includes first and second Ethernet ports. Each controller module comprises computer processing circuitry including the first and second MACs and configured to select to transmit a packet to the first Ethernet port through the first MAC and to alternatively select to transmit the packet to the second Ethernet port through the second MAC. Each controller module comprises an Ethernet switch configured to receive the packet from the first media access control (MAC) and transmit the packet to the first Ethernet port. Each controller module comprises a physical Ethernet interface (PHY) configured to receive the packet from the second MAC and transmit the packet to the second Ethernet port. The computer processing circuitry, the Ethernet switch, and the PHY are mounted on the controller board.

Abstract: A system comprising first and second redundant controller modules, each controller module comprising mode management circuitry configured to identify whether the corresponding controller module operates in a master mode or a slave mode. The mode management circuitry in each controller module is configured to couple to the mode management circuitry in the other controller module. The mode management circuitries in the controller modules are configured to collectively operate so that one of the controller modules is assigned the master mode and the other of the controller modules is assigned the slave mode. At least one of the mode management circuitries in the controller modules is configured to assign the master mode to the corresponding controller module based on a takeover signal when the mode management circuitry in the corresponding controller module is ready for use.

Abstract: An apparatus includes a remote terminal unit (RTU) having a housing, where at least a portion of the housing includes a shell of thermally-conductive material. The RTU also includes at least one circuit board assembly having at least one processing device configured to communicate with one or more industrial control and automation field devices via one or more input/output (I/O) channels. The at least one circuit board assembly is positioned within the shell. The RTU further includes a heat sink configured to remove thermal energy from the at least one processing device. In addition, the RTU includes a thermal pad configured to receive the thermal energy from the heat sink and to provide the thermal energy to the shell.

Abstract: A deactivation method and system in a crosstalk scenario which relates to the field of mobile communications technologies. The method includes M transceivers of a central office end sending data using M lines, and when the M transceivers are in a data transmission showtime state, and when a trigger state change event is detected, switching, by N transceivers, to a deactivation execution state, to deactivate N lines among the M lines, acquiring an update coefficient used to update a crosstalk cancellation coefficient between active lines, updating the crosstalk cancellation coefficient between the active lines using the update coefficient, and controlling the transceivers in the deactivation execution state to enter a silent or an idle state.

Abstract: Embodiments of the present invention provide a power control method, device, and system, and relate to the field of communications technologies. The method is applied to a vectoring system, where the vectoring system includes multiple lines, each line includes multiple subcarriers, and for each subcarrier, a crosstalk channel is formed between the multiple lines, and the method includes: obtaining a closed subcarrier set of the multiple lines according to line crosstalk channel information corresponding to each subcarrier of the multiple subcarriers, where the closed subcarrier set includes a subcarrier set required to be closed on the multiple lines; and sending the closed subcarrier set of the multiple lines to a transceiver, and closing, by the transceiver, a transmit signal on a subcarrier required to be closed on each line.

Abstract: An apparatus includes a remote terminal unit (RTU) having one or more input/output (I/O) modules and a controller module. Each of the one or more I/O modules includes multiple I/O channels. The controller module includes at least one processing device configured to communicate with at least one industrial field device via the I/O channels of the I/O modules. The controller module includes a first connector, and a first of the one or more I/O modules includes a second connector. The first connector is configured to be physically connected to the second connector, and the first and second connectors are configured to transport data and power directly between the controller module and the first I/O module.